update: our catalog is now available w/ digital results! for unparalleled accuracy, including gain noise waveform checks

holographic sound reproduction, and clear layered stage detailing, leading brand: telefunken <> germany

audiophile crown jewel telefunken <> features premium metallurgy, superb craftsmanship, + incredibly clear sound quality

extensively utilized in '50s-'60s hifi + pro audio, all due to the low noise floor db, long circuit life, and organic layered tone

the luminous tone-doubling reproduces odd/even harmonics, w/ bloomy qualities, and subtle smooth frequency compression

this translates into one of the best vocal tubes ever made, revealing realistic acoustic fidelity w/ live concert natural response

the pin-point bass precision, pleasant highs, warm resolving air, and neutral mid balance, all contribute to their sonic lore

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

Soundelux U99, VOX AC30 Heritage Bottlehead Tube, Repro 2009 Brauner VM1 mic, Eastern Electic M520 amp Lawson L47MP, 65 Amps Monterey, Dr. Z Route 66, Dr. Z Z-28, Eastern Electric M520, Matchless C-30/SC30/DC-30Manley baby valve mic, Microtek Gefel UM92.1 mic, Neumann U47 mic Neumann U67 mic, Quad II Vox AC10 + more

1 x old stock chrome plate telefunken germany ef86 6267 preamp/audio/mic/tuner tube 

authentic vintage w/ <> diamond mark, w/ box included, fragile 60+ year old silkscreen
full mutual conductance gm test

+ leak/short/gas/life/sound checks, several strong/nos in stock +90/95 % gm (65)

our high power output test measures the entire linear curve (eg-ip), + applies 250v w/ filtered dc, simulating real circuits

+ undergoes a complimentary refurbish and deoxit process ~ one of a kind value-added quality control

always give several sessions (150+ hours) w/ your amps specific voltage to fully break-in

this ensures the sound stage opens up sonically, all w/out any nos muted qualities leftover

ships well packed worldwide! express/priority available by request

~ authentic vintage hifidelity audio curation ~ preamp / stereo / mic / power / rectifier ~