the legend is here, extremely rare collectible special real lab edition telefunken germany <> 7dj8 pcc88

popular 6dj8 ecc88 sub w/ more head room and upper register detail reveal, low noise linear transparent .3a constant

great for amps that are tough on 6922/e88cc lifetime and higher resolution than 6dj8 due to real frame grid '50s internals!

authentic milky ring and diamond base, the crown jewel of any audiophile collection especially vocals
this very old '50s special limited run has the most precious metallurgy of the tube era = better sound reproduction

audio phono grade lowest noise circuit auditioned and twice gm test balanced 130/130 % gm (where 65 % is good)
our unique gm output test applies 225 vdc simulating actual operations plus filtered dc + leak short gas life check

simply put higher gm = better gain / bass response, lower gm = more headroom / tamer bass response

also supplier double checked via funke w19 for conductance, while your results will definitely vary... circuit test = best test
all tubes also undergo a special proprietary complete master refurb process, one of a kind seller qc!

plus full sound auditioned w/ closed back high resolution monitors and aira preamps

clear micas! give several sessions or up to 100+ hours w/ your specific amps voltage to settle in

ships well packed worldwide + combined postage available

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ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
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Model
  • 6dj8 7dj8 e88cc 6922 7308 e188cc cv5358 cca cv2492
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Acoustics August

Lago Vista, TX, United States
Sales:179
Joined Reverb:2017

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