1x NOS Rare 1960s SiemensGermany Gϕ1 GoldPin E188CC 7308 ~ Grail Audio 2 Available ~ E88CC 6922 CCa Upgrade ~ Rode K2 NTK AT-4060 Tube Mics ~ Musical Lush Tone Warm Bass Sparkley Highs Natural Flat Response

siemens, professionally ranked as one of the lowest distortion tubes ever made, a full frequency clarity king 

w/ pin-point accuracy these reference grade linear classics, are revered for their lush musicality, breathy warm sound stage, w/ detailed micro-dynamics

the highly revered bass response, accompanies an open luminous tone, w/ incredible vocals, instrumentals, and acoustic fidelity

the top end is natural, flat, and sparkley, adding vinyl-style intimacy which percussionists, acoustics, and brass players seek out

compared to telefunkens layered tone and compression, this has more musicality, bass depth, and smoother resolving qualities

illuminate your sound w/ audiophile collectible crown jewels! truly the breath of life, the pinnacle of vintage audio e188cc 7308

regarded as better low-bass than e88cc 6922 cca, and a more revealing sound stage, and premium rugged 10k-hour lifetime

these also feature less microphonic tendencies, important for ultra low-noise tube mic apps, phono stages, or mono blocks

tweak, tune-up, and transform your harmonics, distortion, measured feedback, tonal articulation, warmth, and system definition

immerse yourself in holographic transparency, live-concert realism, effortless pickup, and rich 3-dimensional stage presence

whether its a preamp, mono block, stereo, tube mic, dac, or hifi setup, add more fidelity and upgrade 6922 6dj8 circuits fast

rode k2 / ntk tube mic, audio technica at-4060 tube mic, aesthetix Io phono stage, avalon compressor, audible Illusions pre, audio notes, audio research vt200, audio horizons phono, arc ph-5 phono, air tight, blue mics, akai 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, earmax, herron 3a, lamb, Lector, Manley Chinook, Musical Fidelity, manley steelhead, reader, Music Hall 25.2 / 25.3, raysonic cd player, peachtree nova, 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 + more!

ECC88 6DJ8 E88CC E188CC PCC88 7DJ8 CV5358 M3624 cv2492 cv2493 6N11 V50064 8416 7308 6922 CV4108 CV4109 CV4110 CV4111

1x old stock siemens germany e188cc 7308 gold pin, authentic 1960s limited run (best sounding production! authentic etch code: gϕ1=4a and gϕ1=5a available (1964/1965)

w/ nice front/back visible silkscreen and siemens box included, carefully curated collectible

full mutual conductance test, pristine balance 11ma/11ma (6.5ma) + leak/short/gas/life check (longetivity) 

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 and cure

this ensures the sound stage opens-up sonically, fully stabilizes, all w/ no more 'muted' nos qualities

ships well packed worldwide

1) holographic sound reproduction (amperex usa/heerlen holland + telefunken/siemens germany + mullard/brimar britain)

2) full frequency extended warm dynamics (heerlen holland + siemens germany + mullard/brimar britain + tesla czech) 

3) natural tone w/ flat response, warm rich imaging (telefunken/siemens/valvo/lorenz germany + mullard mitcham britain)

4) precision bass w/ depth / lush musical resolve (heerlen holland + siemens/valvo germany + ei yugo + tungsram hungary)

5) dynamic musical warm sound stage (amperex usa/heerlen holland + siemens/valvo germany + mullard blackburn britain)

6) layered clarity w/ subtle compression (telefunken/lorenz germany + tungsram hungary + tesla czech + toshiba japan)