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

65 Amps Monterey - Dr. Z Route 66 - Dr. Z Z-28 - Eastern Electric M520, Matchless C-30, SC30Matchless DC-30 - Soundelux U99 - VOX AC30 Heritage Bottlehead Tube, Repro 2009 Brauner VM1 micEastern Electic M520 amp, Lawson L47MP Manley baby valve mic, Microtek UM92.1 mic Neumann U47 mic, Neumann U67 mic, Quad II Vox AC10 + many more apps

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

breath of life vintage telefunken, a top sonic darling featuring premium metallurgy, superb craftsmanship, and ultra low-noise

the captivating old school sound reproduction blends bloomy warmth, w/ a smooth silky quality, + plenty of tonal transparency

this translates into one of the best ranked vocal tubes, revealing realistic acoustic fidelity w/ live concert natural presentation

one of the lowest distortion tubes ever made! w/ liquid compression, telefunkens tone-doubling, and vinyl-style rich harmonics

the reference-grade playback is a preferred oe fidelity upgrade for professional studios, mics/preamps, best-of hifi, + stereos

the pin-point bass precision, pleasant highs, resolving air, and neutral mid-band response, all contribute to the sonic lore

tune-up, tweak, + transform your tone, distortion, measured feedback, harmonics, articulation, warmth, + system definition

1x old stock telefunken germany ef86 6267, authentic <> diamond base! special red tip edition (rare)

fair to faint 60+ year old silkscreen, w/ telefunken box included, carefully curated classic audiophile tube

full mutual conductance gm test + leak/short/gas/life and sound checks: +1800 gm micromhos 

our high power output test measures the entire linear curve (eg-ip), and applies 250v, all w/ filtered dc

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

give several sessions (up to 150+ hours) to fully stabilize and break-in at your specific amps voltage

ships well packed worldwide! priority/express by request

~ authentic vintage hifidelity audiophile preamp / mic / power / rectifier tube curation ~