2 Rare 1950s Dgetter Mazda Matsuda (early Toshiba) 12AX7 ECC83 Vintage Preamp AudioTubes ~ Phenomenal Organic True Tone Warm Vintage HiFi ~ Several Pairs w/ OE Boxes In Stock

open mellow sound, beautiful clean tones that shine in low to mid gain apps, later breakup and harmonically rich, involving defined lows relaxed mids sweet highs, musical classic

while our tubes undergo a proprietary refurb process like no other seller... 1950s high resolution dgetters 12ax7 are the crown jewels!

pristine direct japan imports, very hard to find collectibles w/ incredible warmth and tonal transparency

literature tells us these mazda matsuda were the first of many generations of toshiba legendary transparent tonality, revered by audiophiles

full amplification test 90/90 ~ 96/90 % gm (65 good) + useful life test pass! and leak gas short check

our unique gm output test applies 225 vdc simulating actual circuit operations w/ filtered dc

gm scores = current transfer ability, whereas gain is amplification factor, a subtle difference based on actual circuit voltages

ships fast well packed worldwide, combined postage available ~ several pairs in stock

authentic vintage hifidelity audio curation