nos nec nippon japan 12ad7 audio tube, limited run quite rare premium 12ax7 (on steroids)legendary regard preamp upgrade, laid back hifidelity smooth sweet tone w/ precise warm bassaudio grade w/ proprietary cali refurb process, curated from collector stockships fast worldwide well packed w/ old nec box ~authentic vintage import audio collectibles by cali acoustics~ (see our rare 7dj8 nec listings too, a low noise linear high energy 6dj8 upgrade plugin sub) current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 audiophile verified compatible apps include:preamps stereos vocals instruments tube mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks +many more (we dont relabel tubes / oe fragile only)

2 matched vintage hifidelity matsu japan 7dj8 audiophile tubes, rare cali exclusive import! a higher resolution mullard?! one of a kind japan only leaf spring getter low distortion clarity60s warm grey mica bass translucent ceiling superb upgrade for mics vocals instruments amps+popular linear 6dj8 6922 plugin sub w/ more in your face stage, a bit more hpf kick too!full balanced 100% gm pair nos and audio grade w/ one of a kind proprietary cali refurb processships fast worldwide w/ plain tube boxes (or branded if available) (rare grey mica 6dj8 version is also available!) ~authentic vintage audiophile collectibles by cali acoustics~ (we dont relabel tubes, oe fragile only) current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 audiophile verified compatible apps include:preamps stereos vocals instruments tube mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks +many more!

2 matched old stock matsu japan el34 6ca7 audio power tubes, superb condition hifidelity vintage import, matched pair fully tested 100 %+/- mutual gm (nos +100/65) several pairs in stock (oe boxes running low) ships fast worldwide well packed ~authentic audio collectibles by cali acoustics~ current inventory:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 verified apps include:preamps stereos tube mics rode k2/ntk audio technica at-4060 bluemics vocals instrumentswooaudio aesthetix cat liquidplatinum audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks +many more

fan favorite back in stock ~ pair of 12at7 ecc81 matched matsu japan vintage audio tubeslegendary tone hard vacuum 60s quality, audio grade w/ special proprietary cali refurb processcurated from private collections, ships fast well packed worldwide w/ available tube boxes ~authentic vintage audiophile collectibles by cali acoustics~ (we dont relabel tubes, oe fragile only) current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 audiophile verified compatible apps include:preamps stereos vocals instruments tube mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks +many more!

old stock nec japan 6ca7 el34 vintage hifidelity power audio tuberare import, silkscreen visible, 92 % mutual gm strong nos (+100nos/65)ships fast worldwide ~authentic vintage audio collectibles by cali acoustics~ current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 verified apps include:preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks + many more!

old stock 12ad7 audio tube, legendary hifidelity vintage super 12ax7! rare find ~cali acoustics~ ~vintage hifidelity vacuum tube pro audio ~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk + more apps~~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc ~~ 12ax7 12au7 12at7 12ad7 / ecc83 ecc82 ecc81 ~~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 ~

2 balanced old stock rare toshiba gold edition japan ecc85 6aq8 audio tubeshifidelity vintage import, popular in fm tuners / rumored unique sub for 6bq7 6dt8 12at7 +more!102/98 ~ 110/110% mutual gm / ships worldwide well packed! ~cali acoustics~hifidelity tone vintage vacuum tube pro audio warm/bright lofi/hifi+6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new!) 6201 ecc83 ecc82 ecc816bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk / caliacoustics insta~

2 vintage import hifidelity japan 12ax7 ecc83 audio tubes, rare typesfan fav tone top sell matsu/mullard 90 degree large halo + ten fujitsu w/ hi-res dgettersuperb choice upgrade for vocals instruments mics preamps stereosw/ special proprietary cali refurb process / full test 82/66 ~ 60/50% mutual gm (nos 100%/65)real silkscreen visible under light nice considering age of manufactureships fast worldwide well packed w/ any available tube boxes ~authentic vintage audiophile collectibles by cali acoustics~ (we dont relabel tubes / oe fragile only) current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 audiophile verified compatible apps include:preamps stereos vocals instruments tube mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk mono blocks +many more!

2 old stock matsu japan 12ax7 ecc83 audio tubeslegendary tone hifidelity vintage hard vacuum quality ~authentic audio collectibles by cali acoustics~ current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 apps include:preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk + more

old stock matsu japan 12ax7 ecc83 audio tube / legendary tone hifidelity vintage120/130 % mutual gm / ships fast worldwide~authentic hifidelity audio collectibles by cali acoustics~ current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 apps include:preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more

2 old stock amperex 6922 usa dynamic tone vintage audiophile tubesrare limited run 70s tone! great for faster paced music 3d linearitybalanced strong pair 94/90 90/88 % gm / ships fast worldwide~authentic hifidelity audio collectibles by cali acoustics~ current inventory includes:6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new) / ecc83 ecc82 ecc81 6201 (new)6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 apps include:preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more

RARE 59 AMPEREX 6DJ8 AUDIO TUBE ~ ECC88 HIFIDELITY AIR BASS MUSICAL TONE NOS. Condition is Used. Shipped with USPS Parcel Select / Ground Advantage.

2 balanced old stock rare toshiba gold edition japan ecc85 6aq8 audio tubeshifidelity vintage import, popular in fm tuners / rumored unique sub for 6bq7 6dt8 12at7 +more!102/98 ~ 110/110% mutual gm / ships worldwide well packed! ~cali acoustics~hifidelity tone vintage vacuum tube pro audio warm/bright lofi/hifi+6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 12ad7 (new!) 6201 ecc83 ecc82 ecc816bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk / caliacoustics insta~

1 x balace matched old stock 12au7/ecc82 toshiba japan audiophile tuberare hi-fi special sought after old import series / ships w/ old tube box ~see our other listings for alternate listening positions, bid/buy/best offer!~~cali acoustics~~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~ ~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more hifidelity apps! caliacoustics.com~

2 large halo air bass transparent tone dutch resolve amperex 6dj8 ecc88 audio tubes, 1961matched 107% mutual gm! audio grade quad w/ lush mids / vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal / low level detail warmth ~see our other listings for alternate listening positions, bid/buy/best offer!~~cali acoustics~ ~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~~cali acoustics instagram / cali acoustics dot com (soon!)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

2 old stock valvo gold pin audiophile tubes e188cc / e88cchard to find rich musical vintage sound curves110/130 ~ 94/89 % mutual gm ~see our other listings for alternate listening experiences, buy/bid/bestoffer~~caliacoustics~ ~preamps tubemics stereos vocals instruments lofi hifi 6dj8 ecc88 e88cc 6922 and more~~woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons liquid platinum rodemics bluemics conrad frontiers pathos vac and more~

1 x old stock hifidelity 6dj8 ecc88 amperex audio tube, legendary 60s! top rank by vtv 97 issuepopular warm 6922/e88cc circuit plugin w/ additional texture reveal and low level detailsairy sound stage superb ceiling for vocals tube mics preamps instruments + moremany available, full gm test 115/110~114/110~130/130 % mutual gm (100%+nos/65+good)authentic holland etch code! nos always give 100+hours to settle inships worldwide per piece well packed w/ plain or old tube box ~see our other listings for alternate hifidelity listening positions! best offer always enabled~~cali acoustics~ ~vocals instruments amps mics stereos lofi hifi warm bright vintage tone ecc88 e88cc apps+~~rode k2/ntk mics audio technica at-4060 liquidplatinum wooaudio aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics conrad frontiers pathos vac +more~

2 old stock hifidelity nec nippon japan 12at7 ecc81 audio tubesneutral tone great bass, regarded vintage japan import106/104~95/102 % mutual gm ~see our other listings for alternate listening positions, bid/buy/best offer~vintage hifidelity vacuum tube pro audio / warm bright lofi hifi tonecaliacoustics instagram (live) / caliacoustics dot com (soon)~cali acoustics~ ~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc ~~ 12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 ~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk + more apps!~

2 old stock hifidelity hitachi japan 12at7 ecc81 warm tone stereo tubesfull gm test leak short gas+ 105/105~104/104 % mutual gm (65+good/100+nos) ~see our other listings for alternate listening positions, bid/buy/best offer~vintage hifidelity vacuum tube pro audio / warm bright lofi hifi tonecaliacoustics instagram (live) / caliacoustics dot com (soon)~cali acoustics~ ~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc ~~ 12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 ~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk + more apps!~

2 old stock 12ax7 nec japan audio tubesrare hifidelity vintage import, legendary tone qualitybalance matched test scores 90/90 95/85 % mutual gm (100+nos/65+good)includes authentic/old fragile/plain tube boxes ~cali acoustics~~see our other listings for alternate listening positions, bid/buy/best offer~ ~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~caliacoustics instagram (live) / caliacoustics.com (soon)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudio bhk + more apps~

4 balance matched 60s matsu japan 7dj8/6dj8 audio tubes, ultra rare import vintage hifidelityquite rare limited run special leaf spring getter (high resolution) pro mullard alternative?!7dj8 = popular linear 6dj8/6922 plugin sub! w/ more head room / hpf kick / upper register reveal~cali acoustics~~see our other listings for alternate listening positions! bid/buy/best offer~ vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hificaliacoustics instagram (active) / caliacoustics.com (soon) ~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~ 12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 ~ ~preamps stereos vocals instruments tube mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

2 old stock balance matched amperex 7308 audio tubes usa gold pin, clear tone warm bass!premium e88cc/6922 upgrade w/ more low end kick and top end reach / longer life more rugged100% mutual gm balance matched pair / ships w/ old tube boxes worldwide well packed ~see our other amperex listings for alternate listening positions! bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~caliacoustics instagram (live) / caliacoustics.com (soon) ~preamps stereos vocals instruments tubemics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudio bhk +more apps~~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34~

old stock musical tone warm resolve amperex 6dj8 ecc88 audio tuberare limited run 59 air halo! first type to replace the sometimes harsh d-getter94/74 % mutual gm (100+nos/65+good) ~see our other amperex listings for alternate listening positions! bid/buy/best offer~~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~caliacoustics instagram (live) / caliacoustics.com (soon!)~~cali acoustics~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudio bhk + more apps~

2 old stock hifidelity hitachi japan 12at7 ecc81 warm tone stereo tubesfull gm test leak short gas+ 105/105~104/104 % mutual gm (65+good/100+nos) ~see our other listings for alternate listening positions, bid/buy/best offer~vintage hifidelity vacuum tube pro audio / warm bright lofi hifi tonecaliacoustics instagram (live) / caliacoustics dot com (soon)~cali acoustics~ ~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc ~~ 12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85 ~ 6ca7 el34 ~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk + more apps!~