{"title":"RCA Black Plates","description":null,"products":[{"product_id":"rca-6v6gt","title":"RCA 6V6GT","description":"\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/8V3BB_nqxVU\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003eDo not think twice about installing any version of an RCA 6V6 into your Fender or USA style 6V6 amp.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePick up to 2-4 RCA 6V6GT, 6V6GTA, or JAN 6V6GT and will take care of the matching for no extra cost.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eRCA 6V6GT (1940-1962):\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe best tube for vintage Fender and Vintage USA amps. RCA 6V6GT are super warm, full and robust in tone. They are as deep in lows as they are brilliant in high tones. They are THE sound of classic rock and roll.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWould you like a little extra ruggedness and security from tubes getting damaged in transit? Consider the JAN version of the 6V6GT if you travel with your amp often!\u003c\/p\u003e\n\u003ch3\u003e6V6GTA (1962-1972):\u003c\/h3\u003e\n\u003cp\u003eFound in later classic Fender amps the RCA 6V6GTA is another classic.\u003c\/p\u003e\n\u003cp\u003eCompared to the GT version, RCA 6V6GTA have more headroom and more high-end than their GT brothers. \u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eJAN\/Military (1940-1955): \u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003eSame exact thing as the RCA 6V6GT but military tested for extra longevity and ruggedness. If you are a touring musician,  trust JAN RCA 6V6GT!\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eNeed help deciding what tubes are best for you?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUse our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/vacuum-tubes-plate-cheat-sheet-fuzz-audio\" target=\"_blank\"\u003eplate cheat sheet\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/category\/tube-buyers-guide\" target=\"_blank\"\u003evacuum tube buyers guide\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto determine which tubes are best for you. Likewise, you are welcome to reach out to us directly at\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@FuzzAudio.com\" target=\"_blank\"\u003eSupport@FuzzAudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor by using our chat located on our shop page if you have further questions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOS vs. ANOS vs. Test NOS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese designations are strictly used to describe the cosmetic condition of our tubes. All tubes we sell test identically, come with 100% life and are guaranteed to work in your device!\u003c\/p\u003e\n\u003cp\u003eIf you are picky about owning an original box or wanting a specific logo please reach out to us\u003cspan\u003e \u003c\/span\u003e\u003cu\u003ebefore purchasing.\u003c\/u\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOS (New Old Stock) Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare 100% brand new vintage tubes in mint cosmetic condition with show zero signs of use. You should expect a legible logo and clean straight pins. An original box is likely but not guaranteed. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eANOS Tubes-\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eotherwise known as “almost new old stock” tubes are basically new, but may show slight signs of use in cosmetic condition, such as a missing logo or slightly bent pins. An original box is possible but unlikely.\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"3\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest NOS Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare used but still operating to specification with 100% life. These tubes are equal in function to NOS valves, yet they cost considerably less because they have cosmetic blemishes. If you plan to disappear your tubes into the back of an amplifier or do not care what the tubes look like, then this is cost effective choice. Blemishes and cosmetic imperfections do not affect tone…\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eLogos:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVintage tubes were have a wide variety of logos printed on them. It is not uncommon to see a Mullard made tube with an RCA or GE logo, or a GE made tube with a Mullard logo. Your tube may come with a logo such are Heath Kit, Baldwin, Fisher, Hammond, Magnavox, Fender, Gibson, Silvertone, etc. but the true manufacturer of that tube will be correct to your order. If you are looking for a specific logo please reach out before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eOur Standards:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll tubes are tested for \u003cstrong\u003emicrophonics \u003c\/strong\u003eand are guaranteed to work in sensitive audio applications\u003c\/li\u003e\n\u003cli\u003eAll tubes sold are guaranteed to have strong (to spec) NOS test scores with 100% life\u003c\/li\u003e\n\u003cli\u003eAll tubes are tested on a calibrated Hickok 539C, Maxi-Matcher, E-Tracer or other industry standard tube analyzers\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTubes are guaranteed for one year and can be returned within 30 days\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePreamp tubes matched by gain and mutual conductance (Gm)\u003c\/li\u003e\n\u003cli\u003ePower tubes matched by mA and Gm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon’t forget to email\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@fuzzaudio.com\"\u003eSupport@fuzzaudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor reach out to us via chat if you need help picking out valves for your device.\u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"RCA 6V6GT \/ NOS","offer_id":32230881755171,"sku":"","price":70.0,"currency_code":"USD","in_stock":true},{"title":"RCA 6V6GT \/ Tests NOS","offer_id":39687331971107,"sku":"","price":50.0,"currency_code":"USD","in_stock":true},{"title":"RCA 6V6GTA \/ NOS","offer_id":32230881787939,"sku":"","price":70.0,"currency_code":"USD","in_stock":false},{"title":"RCA 6V6GTA \/ Tests NOS","offer_id":39687332003875,"sku":"","price":55.0,"currency_code":"USD","in_stock":false},{"title":"RCA JAN 6V6GT\/VT-107 (Military) \/ NOS","offer_id":32230881820707,"sku":"","price":100.0,"currency_code":"USD","in_stock":false},{"title":"RCA JAN 6V6GT\/VT-107 (Military) \/ Tests NOS","offer_id":39687332036643,"sku":"","price":70.0,"currency_code":"USD","in_stock":false},{"title":"RCA 6V6GTY (Brown Base) \/ NOS","offer_id":32335366357027,"sku":"","price":85.0,"currency_code":"USD","in_stock":false},{"title":"RCA 6V6GTY (Brown Base) \/ Tests NOS","offer_id":39687332069411,"sku":"","price":65.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-6v6-options-nos-tubes-fuzz-audio-6v6gt-913315.jpg?v=1741453252"},{"product_id":"rca12au7","title":"RCA 12AU7 (Plate Options)","description":"\u003cp\u003e\u003cstrong\u003eRCA Black Plate- \u003c\/strong\u003eThe king of warmth and bass. Typically a noisy tube, we screen all black plates for extra low noise to make sure they can be used in just about any audio application. If budget allows these are a must for any system lacking in warmth or low end response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRCA Long Grey Plate- \u003c\/strong\u003eOne of the best sounding US made tubes. This RCA 12AU7 may not come with the same quiet noise floor as it’s clear top twin, but it certainly out competes most tubes for warmth and tonal definition. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRCA 12AU7A Clear Top-\u003c\/strong\u003e   Known for their rich, warm tone, and their extra low noise floor 12AU7 clear tops are classic. Best used in sensitive audio applications. \u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eAny of these RCA 12AU7's would have been found stock in vintage Fender, Gibson, Macintosh, Marantz, Supro, Danelectro, Hammond and Silvertone Amps, just to name a few...\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eNeed help deciding what tubes are best for you?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUse our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/vacuum-tubes-plate-cheat-sheet-fuzz-audio\" target=\"_blank\"\u003eplate cheat sheet\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/category\/tube-buyers-guide\" target=\"_blank\"\u003evacuum tube buyers guide\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto determine which tubes are best for you. Likewise, you are welcome to reach out to us directly at\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@FuzzAudio.com\" target=\"_blank\"\u003eSupport@FuzzAudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor by using our chat located on our shop page if you have further questions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOS vs. ANOS vs. Test NOS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese designations are strictly used to describe the cosmetic condition of our tubes. All tubes we sell test identically, come with 100% life and are guaranteed to work in your device!\u003c\/p\u003e\n\u003cp\u003eIf you are picky about owning an original box or wanting a specific logo please reach out to us\u003cspan\u003e \u003c\/span\u003e\u003cu\u003ebefore purchasing.\u003c\/u\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOS (New Old Stock) Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare 100% brand new vintage tubes in mint cosmetic condition with show zero signs of use. You should expect a legible logo and clean straight pins. An original box is likely but not guaranteed. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eANOS Tubes-\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eotherwise known as “almost new old stock” tubes are basically new, but may show slight signs of use in cosmetic condition, such as a missing logo or slightly bent pins. An original box is possible but unlikely.\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"3\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest NOS Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare used but still operating to specification with 100% life. These tubes are equal in function to NOS valves, yet they cost considerably less because they have cosmetic blemishes. If you plan to disappear your tubes into the back of an amplifier or do not care what the tubes look like, then this is cost effective choice. Blemishes and cosmetic imperfections do not affect tone…\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eLogos:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVintage tubes have a wide variety of logos printed on them. It is not uncommon to see a Mullard made tube with an RCA or GE logo, or a GE made tube with a Mullard logo. Your tube may come with a logo such are Heath Kit, Baldwin, Fisher, Hammond, Magnavox, Fender, Gibson, Silvertone, etc. but the true manufacturer of that tube will be correct to your order. If you are looking for a specific logo please reach out before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eOur Standards:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll tubes are tested for \u003cstrong\u003emicrophonics \u003c\/strong\u003eand are guaranteed to work in sensitive audio applications\u003c\/li\u003e\n\u003cli\u003eAll tubes sold are guaranteed to have strong (to spec) NOS test scores with 100% life\u003c\/li\u003e\n\u003cli\u003eAll tubes are tested on a calibrated Hickok 539C, Maxi-Matcher, E-Tracer or other industry standard tube analyzers\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTubes are guaranteed for one year and can be returned within 30 days\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePreamp tubes matched by gain and mutual conductance (Gm)\u003c\/li\u003e\n\u003cli\u003ePower tubes matched by mA and Gm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon’t forget to email\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@fuzzaudio.com\" target=\"_blank\"\u003eSupport@fuzzaudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor reach out to us via chat if you need help picking out valves for your device.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Fuzz Audio","offers":[{"title":"NOS Clear Top","offer_id":39514969735203,"sku":"","price":50.0,"currency_code":"USD","in_stock":false},{"title":"Test NOS Clear Top","offer_id":39514969767971,"sku":"","price":35.0,"currency_code":"USD","in_stock":true},{"title":"NOS Black Plate","offer_id":39514969800739,"sku":"","price":60.0,"currency_code":"USD","in_stock":false},{"title":"Test NOS Black Plate","offer_id":39514969833507,"sku":"","price":50.0,"currency_code":"USD","in_stock":true},{"title":"NOS Long Grey Plate","offer_id":39514969866275,"sku":"","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Test NOS Long Grey Plate","offer_id":39514969899043,"sku":"","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-12au7-plate-options-nos-tubes-fuzz-audio-nos-black-plate-541153.jpg?v=1715476816"},{"product_id":"rca-5y3gt","title":"RCA 5Y3GT","description":"\u003cp data-end=\"84\" data-start=\"42\"\u003e\u003cstrong data-end=\"84\" data-start=\"42\"\u003eRCA 5Y3GT Rectifier Tube (NOS Vintage)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"390\" data-start=\"86\"\u003eThe \u003cstrong data-end=\"103\" data-start=\"90\"\u003eRCA 5Y3GT\u003c\/strong\u003e is one of the most iconic rectifier tubes ever made, and a cornerstone of classic American amp tone. Manufactured by \u003cstrong data-end=\"262\" data-start=\"221\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eRCA\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e in the USA, this tube helped define the feel and response of early Fender tweed amplifiers and countless vintage hi-fi designs.\u003c\/p\u003e\n\u003cp data-end=\"806\" data-start=\"392\"\u003eIn guitar amps, the RCA 5Y3GT is known for its smooth voltage sag, soft attack, and natural compression. It gives small amps that elastic, touch-responsive feel players associate with true vintage tweeds—notes bloom, chords breathe, and the amp feels alive under your fingers. Compared to later or stiffer rectifiers, it delivers a warmer, more forgiving response that’s perfect for blues, roots, and classic rock.\u003c\/p\u003e\n\u003cp data-end=\"1059\" data-start=\"808\"\u003eIn hi-fi and restoration work, the RCA 5Y3GT is valued for its quiet operation, consistency, and long service life. RCA’s materials, cathode coatings, and quality control from this era are a big reason these tubes are still going strong decades later.\u003c\/p\u003e\n\u003cp data-end=\"1087\" data-start=\"1061\"\u003e\u003cstrong data-end=\"1087\" data-start=\"1061\"\u003eWhy the RCA stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1276\" data-start=\"1088\"\u003e\n\u003cli data-end=\"1127\" data-start=\"1088\"\u003e\n\u003cp data-end=\"1127\" data-start=\"1090\"\u003eClassic vintage sag and compression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1176\" data-start=\"1128\"\u003e\n\u003cp data-end=\"1176\" data-start=\"1130\"\u003eDefines early Fender tweed feel and response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1226\" data-start=\"1177\"\u003e\n\u003cp data-end=\"1226\" data-start=\"1179\"\u003eExtremely durable, long-life NOS construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1276\" data-start=\"1227\"\u003e\n\u003cp data-end=\"1276\" data-start=\"1229\"\u003eMade in the USA with period-correct materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1301\" data-start=\"1278\"\u003e\u003cstrong data-end=\"1301\" data-start=\"1278\"\u003eCommon applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1449\" data-start=\"1302\"\u003e\n\u003cli data-end=\"1365\" data-start=\"1302\"\u003e\n\u003cp data-end=\"1365\" data-start=\"1304\"\u003eFender Champ, Princeton, Deluxe, and other tweed-style amps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1366\"\u003e\n\u003cp data-end=\"1411\" data-start=\"1368\"\u003eVintage hi-fi amplifiers and restorations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1449\" data-start=\"1412\"\u003e\n\u003cp data-end=\"1449\" data-start=\"1414\"\u003ePeriod-correct builds and repairs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1607\" data-start=\"1451\"\u003eIf you want the most authentic vintage rectifier experience—the sound and feel players fell in love with in the ’50s—the \u003cstrong data-end=\"1585\" data-start=\"1572\"\u003eRCA 5Y3GT\u003c\/strong\u003e is the gold standard.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"NOS","offer_id":40203518050339,"sku":"","price":60.0,"currency_code":"USD","in_stock":true},{"title":"Tests NOS","offer_id":40203518083107,"sku":"","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-5y3gt-nos-tubes-fuzz-audio-146458.jpg?v=1715467343"},{"product_id":"rca-6l6gc-black-plate","title":"RCA 6L6GC Black Plate","description":"\u003ch1 data-end=\"219\" data-start=\"181\"\u003e\u003cstrong data-end=\"219\" data-start=\"181\"\u003eRCA 6L6GC – Black Plate Power Tube\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"\" data-end=\"496\" data-start=\"221\"\u003eThe \u003cstrong data-end=\"238\" data-start=\"225\"\u003eRCA 6L6GC\u003c\/strong\u003e is the gold standard of American-made power tubes—and one of the most legendary 6L6s ever produced. With its rugged build, rich harmonic content, and unmistakable warmth, this tube is a favorite among guitarists, hi-fi enthusiasts, and tube amp techs alike.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"769\" data-start=\"498\"\u003eRCA's black plate 6L6GCs deliver powerful low end, creamy mids, and sweet, glassy highs—making them a go-to for everything from clean Fender tones to smooth overdrive. Whether you're restoring a vintage Twin Reverb or upgrading your modern amp, this tube brings the mojo.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"784\" data-start=\"771\"\u003e\u003cstrong data-end=\"784\" data-start=\"771\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1062\" data-start=\"785\"\u003e\n\u003cli class=\"\" data-end=\"826\" data-start=\"785\"\u003e\n\u003cp class=\"\" data-end=\"826\" data-start=\"787\"\u003eMade in the USA – Vintage RCA quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"884\" data-start=\"827\"\u003e\n\u003cp class=\"\" data-end=\"884\" data-start=\"829\"\u003eBlack plate construction for rich tone and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"938\" data-start=\"885\"\u003e\n\u003cp class=\"\" data-end=\"938\" data-start=\"887\"\u003eRated for 30W plate dissipation (true 6L6GC spec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1002\" data-start=\"939\"\u003e\n\u003cp class=\"\" data-end=\"1002\" data-start=\"941\"\u003eIdeal for guitar amps, hi-fi gear, and vintage restorations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1062\" data-start=\"1003\"\u003e\n\u003cp class=\"\" data-end=\"1062\" data-start=\"1005\"\u003eTested for transconductance, shorts, noise, and emissions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"\" data-end=\"1217\" data-start=\"1064\"\u003e\u003cstrong data-end=\"1081\" data-start=\"1064\"\u003eTone Profile:\u003c\/strong\u003e\u003cbr data-end=\"1084\" data-start=\"1081\"\u003eBold. Smooth. Musical. RCA 6L6GCs are known for their sweet compression, detailed mids, and powerful presence—especially when pushed.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1342\" data-start=\"1219\"\u003eThese tubes are getting harder to find in great shape. Grab one while you can and bring real vintage tone back to your amp.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eClose Matched Sets of Two Available. We are woking on offering sets of 4. Reach out if you would like a set of 4 before buying!\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003eAt Fuzz Audio:\u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003e·      All tubes are tested on a calibrated Hickok 539b \u0026amp; Western Electric KS-16650-L1 Tube Testers.\u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003e·      30 Day Money Back Guarantee \u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003e·       All power and preamp are tubes tested for Mutual Conductance (Gm) \u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003e\u003cstrong\u003e·    \u003c\/strong\u003e  Do not buy power or  preamp tubes that have been tested solely on an emissions tester or “tube checker”- this is an inadequate test.\u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"NOS","offer_id":31968050446371,"sku":"","price":250.0,"currency_code":"USD","in_stock":true},{"title":"Test NOS","offer_id":39587222847523,"sku":"","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-6l6gc-black-plate-nos-tubes-fuzz-audio-nos-733262.jpg?v=1743534646"},{"product_id":"rca-12at7","title":"RCA 12AT7","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"relative flex-col gap-1 md:gap-3\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-4o\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" dir=\"auto\" data-message-id=\"32c966b2-b178-4ba2-becc-7cd97bb869cf\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark\"\u003e\n\u003ch1 data-end=\"123\" data-start=\"0\"\u003e\n\u003cstrong data-end=\"54\" data-start=\"0\"\u003eRCA 12AT7 – Black or Grey Plate – NOS Vintage Tube\u003c\/strong\u003e\u003cbr data-end=\"57\" data-start=\"54\"\u003e\u003cem data-end=\"123\" data-start=\"57\"\u003e\u003c\/em\u003e\n\u003c\/h1\u003e\n\u003ch3 data-end=\"123\" data-start=\"0\"\u003e\u003cem data-end=\"123\" data-start=\"57\"\u003eIdeal for Fender amps, reverb drivers, phase inverters, and more!\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp data-end=\"337\" data-start=\"125\"\u003eThe RCA 12AT7 is a classic American preamp tube with the punch, clarity, and reliability that made RCA a legend. Whether you're chasing lush Fender reverb or tight, articulate phase inversion, this tube delivers.\u003c\/p\u003e\n\u003cp data-end=\"365\" data-start=\"339\"\u003eChoose your plate style:\u003c\/p\u003e\n\u003cul data-end=\"560\" data-start=\"366\"\u003e\n\u003cli data-end=\"461\" data-start=\"366\"\u003e\n\u003cp data-end=\"461\" data-start=\"368\"\u003e\u003cstrong data-end=\"383\" data-start=\"368\"\u003eBlack plate\u003c\/strong\u003e: Warmer and smoother, with a vintage character that rounds out harsh edges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"560\" data-start=\"462\"\u003e\n\u003cp data-end=\"560\" data-start=\"464\"\u003e\u003cstrong data-end=\"478\" data-start=\"464\"\u003eGrey plate\u003c\/strong\u003e: More focused and detailed—great for precision and bite without sounding sterile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"680\" data-start=\"562\"\u003ePerfect for reverb driver circuits and phase inverters in amps like the Fender Deluxe Reverb, Twin Reverb, and others.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"778\" data-start=\"682\"\u003e\u003cstrong data-end=\"717\" data-start=\"682\"\u003eNOS, tested, and tone-approved.\u003c\/strong\u003e\u003cbr data-end=\"720\" data-start=\"717\"\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"778\" data-start=\"682\"\u003e\u003cstrong\u003eNeed help deciding what tubes are best for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/vacuum-tubes-plate-cheat-sheet-fuzz-audio\" target=\"_blank\"\u003eplate cheat sheet\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/fuzzaudio.com\/category\/tube-buyers-guide\" target=\"_blank\"\u003evacuum tube buyers guide\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto determine which tubes are best for you. Likewise, you are welcome to reach out to us directly at\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@FuzzAudio.com\" target=\"_blank\"\u003eSupport@FuzzAudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor by using our chat located on our shop page if you have further questions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOS vs. ANOS vs. Test NOS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese designations are strictly used to describe the cosmetic condition of our tubes. All tubes we sell test identically, come with 100% life and are guaranteed to work in your device!\u003c\/p\u003e\n\u003cp\u003eIf you are picky about owning an original box or wanting a specific logo please reach out to us\u003cspan\u003e \u003c\/span\u003e\u003cu\u003ebefore purchasing.\u003c\/u\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOS (New Old Stock) Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare 100% brand new vintage tubes in mint cosmetic condition with show zero signs of use. You should expect a legible logo and clean straight pins. An original box is likely but not guaranteed. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eANOS Tubes-\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eotherwise known as “almost new old stock” tubes are basically new, but may show slight signs of use in cosmetic condition, such as a missing logo or slightly bent pins. An original box is possible but unlikely.\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col start=\"3\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest NOS Tubes-\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eare used but still operating to specification with 100% life. These tubes are equal in function to NOS valves, yet they cost considerably less because they have cosmetic blemishes. If you plan to disappear your tubes into the back of an amplifier or do not care what the tubes look like, then this is cost effective choice. Blemishes and cosmetic imperfections do not affect tone…\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eLogos:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVintage tubes have a wide variety of logos printed on them. It is not uncommon to see a Mullard made tube with an RCA or GE logo, or a GE made tube with a Mullard logo. Your tube may come with a logo such are Heath Kit, Baldwin, Fisher, Hammond, Magnavox, Fender, Gibson, Silvertone, etc. but the true manufacturer of that tube will be correct to your order. If you are looking for a specific logo please reach out before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eOur Standards:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll tubes are tested for \u003cstrong\u003emicrophonics \u003c\/strong\u003eand are guaranteed to work in sensitive audio applications\u003c\/li\u003e\n\u003cli\u003eAll tubes sold are guaranteed to have strong (to spec) NOS test scores with 100% life\u003c\/li\u003e\n\u003cli\u003eAll tubes are tested on a calibrated Hickok 539C, Maxi-Matcher, E-Tracer or other industry standard tube analyzers\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTubes are guaranteed for one year and can be returned within 30 days\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePreamp tubes matched by gain and mutual conductance (Gm)\u003c\/li\u003e\n\u003cli\u003ePower tubes matched by mA and Gm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon’t forget to email\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:Support@fuzzaudio.com\" target=\"_blank\"\u003eSupport@fuzzaudio.com\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor reach out to us via chat if you need help picking out valves for your device.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"Grey Plate \/ NOS","offer_id":32364410667043,"sku":"","price":65.0,"currency_code":"USD","in_stock":false},{"title":"Grey Plate \/ Tests NOS","offer_id":40892882780195,"sku":null,"price":45.0,"currency_code":"USD","in_stock":false},{"title":"Black Plate \/ NOS","offer_id":39578163380259,"sku":"","price":75.0,"currency_code":"USD","in_stock":false},{"title":"Black Plate \/ Tests NOS","offer_id":40892882812963,"sku":null,"price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-12at7-ecc81-nos-tubes-fuzz-audio-834312.jpg?v=1715476912"},{"product_id":"rca-black-plate-12ax7","title":"RCA 12AX7 Black Plate","description":"\u003ch1\u003eRCA 12AX7 Black Plate (1950s)\u003c\/h1\u003e\n\u003ch3 data-end=\"328\" data-start=\"277\"\u003eIt’s true… \u003cstrong data-end=\"328\" data-start=\"288\"\u003eNOS tubes really do sound better.\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"449\" data-start=\"330\"\u003eA great place to hear it is the \u003cstrong data-end=\"387\" data-start=\"362\"\u003eRCA 12AX7 Black Plate\u003c\/strong\u003e — one of the earliest and most sought-after 12AX7s ever made.\u003c\/p\u003e\n\u003cp data-end=\"626\" data-start=\"451\"\u003eManufactured in the \u003cstrong data-end=\"480\" data-start=\"471\"\u003e1950s\u003c\/strong\u003e, these were the first RCA 12AX7 variants and quickly became a staple in American guitar amps and studio equipment during the golden age of tubes.\u003c\/p\u003e\n\u003cp data-end=\"730\" data-start=\"628\"\u003eThey are especially loved in \u003cstrong data-end=\"687\" data-start=\"657\"\u003esmall, single-speaker amps\u003c\/strong\u003e, where their character really comes alive.\u003c\/p\u003e\n\u003ch3 data-end=\"740\" data-start=\"732\" data-section-id=\"ynr3jq\"\u003eTone\u003c\/h3\u003e\n\u003cp data-end=\"986\" data-start=\"742\"\u003eThe RCA Black Plate is known for a \u003cstrong data-end=\"816\" data-start=\"777\"\u003ebig, warm low end and early breakup\u003c\/strong\u003e. Compared to later grey-plate versions, these have \u003cstrong data-end=\"911\" data-start=\"868\"\u003eless headroom and more harmonic texture\u003c\/strong\u003e, making them ideal for players who want their amp to start working sooner.\u003c\/p\u003e\n\u003cp data-end=\"995\" data-start=\"988\"\u003eExpect:\u003c\/p\u003e\n\u003cp data-end=\"1107\" data-start=\"997\"\u003e• Thick low end\u003cbr data-end=\"1015\" data-start=\"1012\"\u003e• Warm mids\u003cbr data-end=\"1029\" data-start=\"1026\"\u003e• Smooth but present highs\u003cbr data-end=\"1058\" data-start=\"1055\"\u003e• Earlier breakup than later RCA 12AX7 versions\u003c\/p\u003e\n\u003cp data-end=\"1207\" data-start=\"1109\"\u003eThe result is a \u003cstrong data-end=\"1152\" data-start=\"1125\"\u003erich, vintage overdrive\u003c\/strong\u003e that helped define many classic American guitar tones.\u003c\/p\u003e\n\u003ch3 data-end=\"1229\" data-start=\"1209\" data-section-id=\"1ci21yq\"\u003eWhere They Shine\u003c\/h3\u003e\n\u003cp data-end=\"1336\" data-start=\"1231\"\u003eBlack plates are particularly great in smaller amps where their warmth and saturation fill out the sound.\u003c\/p\u003e\n\u003cp data-end=\"1398\" data-start=\"1338\"\u003eClassic gear that originally used RCA black plates includes:\u003c\/p\u003e\n\u003cp data-end=\"1443\" data-start=\"1400\"\u003e• \u003cstrong data-end=\"1418\" data-start=\"1402\"\u003eFender Champ\u003c\/strong\u003e\u003cbr data-end=\"1421\" data-start=\"1418\"\u003e• \u003cstrong data-end=\"1443\" data-start=\"1423\"\u003eTeletronix LA-2A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1588\" data-start=\"1445\"\u003eThey’re also an excellent choice for \u003cstrong data-end=\"1521\" data-start=\"1482\"\u003erestoring 1950s American amplifiers\u003c\/strong\u003e or adding authentic vintage character to modern builds and clones.\u003c\/p\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"75ea9ba2-8147-4839-abf9-33e5e2de98da\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch3 data-end=\"131\" data-start=\"102\" data-section-id=\"1mywawa\"\u003eRCA Black Plates in Hi-Fi\u003c\/h3\u003e\n\u003cp data-end=\"259\" data-start=\"133\"\u003eThe RCA 12AX7 Black Plate wasn’t just a guitar amp tube — it was also a \u003cstrong data-end=\"258\" data-start=\"205\"\u003efoundational tube in early American hi-fi systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"523\" data-start=\"261\"\u003eIn the 1950s and early 1960s, many U.S. hi-fi manufacturers used RCA small-signal tubes in their preamp and driver stages. \u003cstrong data-end=\"407\" data-start=\"384\"\u003eEarly McIntosh gear\u003c\/strong\u003e, along with equipment from brands like Fisher, Dynaco, and Scott, commonly relied on RCA 12AX7s during this period.\u003c\/p\u003e\n\u003cp data-end=\"758\" data-start=\"525\"\u003eOf course, \u003cstrong data-end=\"607\" data-start=\"536\"\u003eRCA itself was one of the most important hi-fi companies in history\u003c\/strong\u003e, producing everything from broadcast equipment to home audio systems. Their tubes helped define the sound of the golden age of American high fidelity.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"962\" data-start=\"760\"\u003eIn hi-fi applications, the RCA Black Plate is prized for its \u003cstrong data-end=\"878\" data-start=\"821\"\u003efull low end, rich midrange, and natural presentation\u003c\/strong\u003e, making it a favorite for vintage preamps, integrated amplifiers, and phono stages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-end=\"1609\" data-start=\"1590\" data-section-id=\"1rcqwfc\"\u003eA Note on Noise\u003c\/h3\u003e\n\u003cp data-end=\"1838\" data-start=\"1611\"\u003eBecause these were early high-gain tubes, \u003cstrong data-end=\"1703\" data-start=\"1653\"\u003eblack plates can sometimes be a little noisier\u003c\/strong\u003e than later production tubes. If ultra-low noise or maximum clean headroom is your priority, another 12AX7 variant may be a better fit.\u003c\/p\u003e\n\u003cp data-end=\"1986\" data-start=\"1840\"\u003eBut if you're after \u003cstrong data-end=\"1911\" data-start=\"1860\"\u003ewarmth, early breakup, and classic vintage tone\u003c\/strong\u003e, the RCA Black Plate remains one of the most iconic 12AX7 tubes ever made.\u003c\/p\u003e\n\u003cp data-end=\"1986\" data-start=\"1840\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/8V3BB_nqxVU?si=FSx47Pag4SLyyoaE\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ukcW1VpRK2w\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"NOS","offer_id":39296821264419,"sku":"RCA-X7-BP-N","price":200.0,"currency_code":"USD","in_stock":true},{"title":"Almost NOS (ANOS)","offer_id":41892591992867,"sku":null,"price":150.0,"currency_code":"USD","in_stock":true},{"title":"TEST NOS","offer_id":39296821297187,"sku":"RCA-X7-BP-T","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/products\/rca-black-plate-12ax7-nos-tubes-fuzz-audio-767775.jpg?v=1773175174"}],"url":"https:\/\/fuzzaudio.shop\/collections\/rca-black-plates.oembed","provider":"Fuzz Audio","version":"1.0","type":"link"}