2x Rare TrueNOS SealedBox Matsu/Mullard 6DJ8 ECC88 (Panasonic) 6922 7DJ8 E88CC

Display these factory fresh sealed box 60+ year collectibles for decades, they will only go up in value, or video your unboxing. Highly revered for their incredible sound reproduction, and often compared to mullard sonics. Back then, mullards vacuum tube empire was vast, setting up advanced manufacturing facilities worldwide, along w/ philips. This famous'transfer of technology' provided legendary tube-era metallurgy, engineering, quality, longetivity, and low noise. This same british cathode processing chemistry, anode plates, supports, electrode geometry + glass, resulted in coveted playback. Often described as a rich full tonality w/ plenty of detail, sweet warm balance, dimensional, dynamic, all w/ translucent highs. Tweak, tune-up, or transform your harmonic distortion, measured feedback, tonal articulation, warmth, and system definition. Take your listening and playback experience to a higher level of sound stage transparency, and immersive engagement. Elevate your sound reproduction across more genre types, w/ rich bass depth, and a holographic textured resolve.

Live-concert delineation of instruments, vocals, acoustics, and percussion, and great for vinyl-style intimacy. Whether its a preamp, mono block, stereo, tube mic, dac, or hifi setup, add luminous fidelity, upgrade 6922 / 6dj8 circuits fast. Tune-up, transform, or tweak your systems harmonic distortion, measured feedback, tonal articulation, warmth, and definition. Rode k2 / ntk tube mic, audio technica at-4060 tube mic, aesthetix Io phono stage. Audio horizons phono, arc ph-5 phono, air tight, blue mics.

Kai reel to reel 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 / 16LSII / 17LSII preamp, cat sl-1 mark III, counterpoint magnum opus 1 preamp. Cary, DODD audio linestage preamp, decca Integrated amp, einstein, eastern electric minimax cd player. EAR - Herron 6 - Kora Hermes II tube dac, Herron VTSP-2 preamp.

Manley Chinook, Musical Fidelity, manley steelhead, reader, Music Hall 25.2 / 25.3. Pathos Integrated amp, Scott Nixon DAC, sonic frontiers line 2, Supratek Cortese preamp. Sunfire Classic cacuum tube control center, pathos classic one / mkIII, vac, woo audio wa3, zande. ECC88 6DJ8 E88CC E188CC PCC88 7DJ8 CV5358 M3624 cv2492. Cv2493 6N11 V50064 8416 7308 6922 CV4108 CV4109 CV4110 CV4111. 2 x old stock rare factory fresh sealed 6dj8 ecc88, classic collectibles, carefully curated from japan. If ever opened, give several sessions (up to 150+ hours) w/ your specific amps voltage to break-in and cure. This ensures the sound stage fully opens up, fully stabilizes, all w/ no more'muted' nos qualities.

Authentic vintage hifidelity audio / power / preamp / mic / rectifier tube curation by caliacoustics. See our official site for new arrivals + reserve/request pricing options + true-nos sealed box rarities. + limited run special editions + pinched waist collectibles + ultra high-res headphones.