1x VintageNOS Haltron 12AY7 (<Gain 12AX7 Sub) ~ RodeClassic AKG Mic C12 U95 FenderAmp Soundelux, Audio note l3 phono, Fender 5f6a, Ongaku /6072 Altv

harkening back to a time of emerging solid state bass, transistors and semi-conductors, yet long before ai descriptions!

known for their premium metallurgy, engineering, and pure sound quality, haltron were oem collectibles from the 1960s

this old pewter-grey long plate edition features nickel grids, + a unique leaf-spring to reduce microphonics (+ add head room)

described as reference sound w/out the costly euro/british markup! a musical synergistic stage, w/ revered tonal warmth

this old build metallurgy has long life, low noise, and a revealing balanced tone, w/ articulate vocals ~ all part of their lore

12ay7 =  12ax7 plugin subs! w/ less gain for amps that need head room, blackbird pedals, fender tweed amps, and tube mics

rode classic 1, akg c12, v-47 le, v-251, c2, fox 460, 12-251 / v-47 / v-251 / v-47 le, advanced audio cm-47/ cm-12 + more

additional popular 12ay7 applications include: soundelux u95, audio note l3 phono, fender 5f6a, ongaku, + first positions

1 x old stock haltron 12ay7, carefully curated classic audiophile tube!

full mutual conductance gm test + leak/short/gas/sound/life checks, balanced pristine: 120/119 % gm (65)

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

+ undergoes a proprietary 10-step refurbish and complimentary deox process (a one of a kind value-added quality control)

give 100+ hours (several sessions) w/ your specific amps voltage to fully cure

this ensures a thorough break-in, opens up sonically, all w/ no muted qualities leftover

ships well packed worldwide ~ priority/express available upon request

~ elevate to warmer hifi! w/ authentic vintage audio/power/preamp/rectifier/mic tube curation ~