4 NOS Matched Matsu/Mullard 12AU7 ECC82 Vintage Preamp Audio Tubes ~ Legendary Smooth Tone Quad ~ Direct Japan Import Authentic ~ Several Quads In Stock
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4 matched old stock matsu japan 12au7 ecc82 seam top preamp audio tubes, made on mullard tooling, revered tone worldwide!
smooth warm vintage build sought after by audiophiles for their translucent highs and premium quality '60s hard vacuum
the british supplied tube-era expertise + tooling via 'transfer of technology' resulted in several critical audiophile advantages:
...same anodes, micas, electrode geometry, glass envelope, spot welding, grid wire spacing + thick cathode processing chemistry
carefully curated via direct japan import, plain or branded boxes included depending on stock
take your listening experience to a higher level of 3-dimensional engagement w/ immersive holographic imaging
these vintage types are also coveted for their realism and live-concert style delineation of instruments vocals and percussion
tune and transform your sound reproduction across multiple genres w/ more delicate intimacy and rich harmonics~full gm conductance test 110/110~110/110~110/111~110/112 % gm (65) + important life test pass! (key longetivity indicator)
our special gm output test applies real world 225vdc voltages w/ filtered dc, plus an impeccable gas test + leak/short check
mutual gm conductance scores are the ability to transfer current ~ especially important for push-pull preamps
also supplier double checked for conductance via supplier tv7 / hickok 539c for unparalleled accuracy
we also pride ourselves on a proprietary complimentary value-added complete refurb screening deox process
give 100+ session hours w/ your specific amps voltage to fully settle in (break-in is important)
ships well packed worldwide~authentic vintage hifidelity audiophile / preamp / mic tube curation
including limited special editions + rare true-nos sealed box + pinched waist
also high-resolution headphones + premium vocal stage and studio mics
~
6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cca
12ax7 12at7 12au7 12bh7 / ecc83 ecc82 ecc81 e82cc
6bq5 6au6a 6267 6ca7 6ca4 6aq5 / 6v6 6l6 6sl7 6sn7 5y3 5u4 5ar4
5814 5751 5965 6189 6201 7062 7189 / cv2492 cv4004 cv455 cv4085
el34 el84 ef86 ef94 ez81 ecc85 e180cc gz34
This item is sold As-Described
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| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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