1 x Vintage NOS Mullard GtBritain EF86 6267 /Digital Test /Box Included /Rich Harmonics Classic Warmth Airy Tone Dynamic Bass ~ Neumann U67 U47 Manley Vox UM92 TubeMics ~ Upgrade Your Playback + Vocal Fidelity

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

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 UM92.1 mic, Neumann U47 mic Neumann U67 mic, Quad II Vox AC10 + more

mullard are luminous legendary true classics! revered for an airy lush persona, w/ warm rich wooly sound reproduction

this audiophile crown jewel reveals an immersive bass stage depth, w/ resolving articulation, and vinyl-style warmth

breath of life old british metallurgy! captures incredible vocal fidelity + hauntingly realistic live-concert playback

the fan favorite british sound of the 1960s ~ features mottled glass, an authentic coin base, + thick glass flashing

these were hand-made by women back then, w/ exquisite grid detail, for the most faithful nuanced finesse sonically

transform your tone and tune up your vocal fidelity w/ old school even odd harmonics + holographic imaging

elevate your playback! w/ more warmth, + tweak your sound system definition, or up your vocal-mics articulation

1 old stock authentic mullard 6267 ef86 (6cf8) w/ box included, carefully curated classic

full mutual conductance test over 90 % gm (65) +  leak, short, gas, life, and sound checks

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

ships well packed worldwide! priority/express by request