Description: the top sonic echelon, foil tip dgetter quad, revered tone w/ mullard tooling, 4 old stock 12at7 ecc81 preamp audio tubesincredibly rare late '50s production sought after by audiophiles for their high resolution and live-concert intimate warmththe tube-era british supplied expertise + tooling via 'transfer of technology' resulted in several critical audiophile advantages:...same anodes, micas, electrode geometry, glass envelope, spot welding, grid wire spacing and cathode processing chemistry!~take your listening experience to a higher level of 3-dimensional engagement w/ immersive holographic imagingthese vintage foil edge types are coveted for their warm live-concert style delineation of instruments vocals and percussiontune and transform your sound reproduction across multiple genres w/ more realism and delicate intimacycarefully curated direct japan import w/ authentic fragile oe tube boxes + free postage! ~full gm conductance test 130/125~101/106~100/100~90/90 % 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 checkmutual 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 processalso see our new official site! true-nos sealed-box rarities, and reserve/request options, new updated part number list belowgive 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 by caliacousticsincluding limited special editions + rare true-nos sealed box + pinched waistalso high-resolution headphones + premium vocal stage and studio mics ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cca12ax7 12at7 12au7 12bh7 / ecc83 ecc82 ecc81 e82cc6bq5 6au6a 6267 6ca7 6ca4 6aq5 / 6v6 6l6 6sl7 6sn7 5y3 5u4 5ar45814 5751 5965 6189 6201 7062 7189 / cv2492 cv4004 cv455 cv4085el34 el84 ef86 ef94 ez81 ecc85 e180cc gz34
Price: 1145 USD
Location: Leander, Texas
End Time: 2024-08-22T22:22:55.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 14 Days
Refund will be given as: Money Back
Brand: matsu
Type: Preamp Tubes
Custom Bundle: No
Model: 12at7 ecc81 6201 12at7wa cv4024
MPN: 12at7 ecc81 6201 12at7wa cv4024
Country/Region of Manufacture: Japan
Modified Item: No
