4x Vintage True NOS (FromSealedBox) Special Edtn 6DJ8 ECC88 Toshiba /OEBoxes MatchedQuad /WarmClassic LayeredTone /6922 E88CC 7DJ8 7308 Sub /Telefunken Altv /Rode K2 NTK Mics Vocals

update: our entire catalog is now available w/ digital test results! for unparalleled accuracy including gain results

this set of 4 is from sealed box stock! hard to find true nos, perfect condition for a proper break-in process

this limited edition matched quad carefully opened (60+ year factory fresh) + were tested to ensure nos gm values

aesthetix Io phono stage, avalon compressor, audible Illusions pre, audio technica at-4060 tube mic, rode k2 ntk mics audio notes, audio research vt200, audio horizons phono, arc ph-5 phono, air tight, blue mics, akai rtr tape recorder arc ls-15 linestage, ear acute one, bat vk-30, bat vk-3ix preamp, blue circle bc21.1, climate, conrad johnson et5 / ct6 conrad johnson 16lsii / 17lsii pre amp, cat sl-1 mark iii, counterpoint magnum opus 1 pre amp, cary, dodd audio line pre  decca Integrated amp, einstein, eastern electric minimax cd player, ear, herron 6, kora hermes ii tube dac, herron vtsp-2 earmax, herron 3a, lamb, lector, manley chinook, musical fidelity, manley steelhead, reader, meze elite, music hall 25.2/3 peachtree nova, pathos preamp, roon nucleus, raysonic cd, scott nixon dac, sonic frontiers line 2, supratek cortese preamp singxer su6, schiit yggdrasil, sunfire classic vac tube control center, pathos classic one / mkIII, vac, woo audio wa3, zande

dripping with vintage vibe, old toshiba tubes provide an open yet mellow sound stage like a vinyl record

sought after by guitar players for rich creamy mids and lush warm holographic layering similar to telefunken

the naturally organic tone is sweet, extended, and vivid w/ beautful clean tones + legendary for vocal showcases

the precise pin-point bass stage is harmonically rich and full, w/ defined involving lows, for highly musical playback

take your listening experience to a higher level of immersive engagement and fidelity, w/ warmer richer layered harmonics

w/ lower noise than usual consumer editions, these feature special quality control processes, w/ batch selection + burn-in

these hard to find classic collectibles feature long life, stable temps, vibration resistance, and special cathode ratings

1x vintage 6dj8 ecc88 special edition toshiba japan, from sealed box stock, w/ carton wrap + rare oe box, limited 1960s production, carefully curated classics

full mutual conductance gm test + leak/short/gas/life/sound checks, pristine balance w/ over 15,000 gm micromhos

+ undergoes a complimentary 10-step value-added refurbish process ~ a one of a kind quality control

always give up to 100+ hours w/ your specific amps voltage to fully break-in / cure

ships well packed worldwide! economy/priority/express available