1x Vintage NOS 3Mica RCA USA 12AT7WA 6201 /Classic American Tone! /HighReliability ECC81 Upgrade /e81cc ecc801 cv4024 /Sony C800G PSU Amps Tuners Stereos 5965 cv455 a2900 6060 6211 +

one of the most iconic tube brands ever made! a cornerstone of classic american amplifier tonalities, rca usa

w/ smooth sag, soft attack, and more natural compression than most! early (pre solid state) hifi sound, defined by fender?!

for elastic response, bloomy notes, and breathy qualities, elevate your playback w/ more life felt through your fingertips

while later build types are often stiffer, these are warmer w/ more lateral response, for blues roots and especially rock

the sonic rca lore includes long service life + low noise. top ranked for fender champ, princeton, deluxe, tweed + more

tune up your playback w/ more bass, richer harmonics, and a fatter old school tone! w/ hand-made tube-era metallurgy 

the legendary carbide black plate coating radiates heat, reduces plate temps, and enhances tonal breakup characteristics

12at7wa are premium low noise top sonic echelon, sitting along-side 6201 e81cc ecc801 and other high power 12at7 ecc81

12at7 ecc81 ecc801s e81cc 12at7wa B739 B309 6211 cv4024 cv455 a2900 6060 6201 5965 12ay7 12av7 +

full mutual conductance gm micromhos test + life/leak/short/gas/sound checks + our 10-step proprietary refurb process

our high power gm output test applies 225 vdc, measuring the entire linear curve (eg-ip), simulating operations, w/ filtered dc

authentic rca tube box included ~ ships well packed worldwide! ~ priority/express by request