1x NOS Sylvania 7308 E188CC SmoothDetail GrailVintage 6922 E88CC CCa Upgrade

Sylvania has a long tenured history, w/ incredible engineering, long life, premium quality, and revered sound reproduction. Military 7308 are popular 6922 e88cc cca upgrades, w/ better low-end bass, and a taller revealing birds eye view sound stage. This additional height and reach is more comprehensive sonically, and is especially popular in many 6922 apps, tube mics +. W/ more rugged internals and less microphonics, they still deliver the high resolution and smooth liquid frame-grid harmonics. 10k hour premium grade 6dj8/ecc88, highly revered for low-noise floor db and neutral tonal mascara = stage transparency.

The metallurgy, premium build quality, and. All contribute to the collectible lore of vintage sylvania tubes. Tune-up, tweak, or transform your tone, harmonic distortion, measured feedback, articulation, warmth, and system definition. Take your listening and playback experience to a higher level of clarity, tonal transparency, and immersive engagement. Classic vinyl- style low register intimacy, all w/ live-concert delineation of instruments, vocals, acoustics, and percussion.

Elevate your spatial sound reproduction across more genre types, w/ rich bass depth, and a holographic textured resolve. Whether its a preamp, stereo, tube mic, dac, mono block, or hifi setup, add luminous fidelity + upgrade 6922 6dj8 circuits fast. Rode k2 / ntk tube mics, 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 pre amp.

Earmax, herron 3a, lamb, l. 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 vacuum tube control center, pathos classic one / mkIII, vac, woo audio wa3, zande. ECC88 6DJ8 E88CC E188CC CV5358 M3624 cv2492 cv2493.

6N11 V50064 8416 7308 6922 CV4108 CV4109 CV4110 CV4111 PCC88 7DJ8. 1x old stock military edition 7308 sylvania usa, copper neck halo getter, nice silkscreen set w/ sylvania box included. + also includes free pin protectors and high-temp distortion-reducing dampeners not made in china! Full mutual conductance gm test + leak/short/gas check + life test (key longetivity indicator). Our high power output test measures the entire linear curve (eg-ip), and applies up to 250v, more than many other testers. + undergoes a complimentary refurbish and deoxit process one of a kind value-added quality control. Give several sessions (up to 150+ hours) w/ your specific amps voltage to break-in / cure. This ensures the sound stage fully opens up sonically, 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.