1x Vintage NOS Matsu/Mullard 12AU7 ECC82 / Old 1960s Panasonic /Preamp Audiophile Tube /WarmClassic BalancedTone Translucent Highs

old panasonic harkens back to a time of emerging solid state bass, and the transistor tech wave, yet long before ai descriptions

back then, mullards vacuum tube empire was vast, setting up advanced manufacturing facilities worldwide, along w/ philips

the famous 'transfer of technology' provided legendary tube-era metallurgy, engineering, quality, longetivity, all w/ low noise

this same british cathode process + chemistry, anode plate supports, electrode geometry + glass, resulted in coveted playback

described as a rich full tonality w/ plenty of detail, sweet warm balance, dimensional presence, all w/ translucent airy highs

this elegant musicality is expressive, clean, low noise, all w/ excellent stage dynamics (+ rich lush overdrive in guitar amps)

the quite versatile vintage classic, reproduces a smooth extended sound profile, reveals great mids, + has a defined low-end

tweak, tune-up + transform your sound systems definition, measured feedback, tonal articulation, harmonics, and warmth

full mutual conductance gm micromhos test + leak/short/gas/life/sound checks, strong singles/pairs/quads available

our high power output test measures the entire linear curve (eg-ip), + applies 250v w/ filtered dc (no auto/fixed-bias confusion)

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

give several sessions (up to 150+ hours) w/ your specific amps voltage to break-in / cure, and open up sonically

includes branded or plain boxes, ships well packed worldwide! priority/express by request

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