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 hifidelity nec nippon japan 12at7 ecc81 audio tubesneutral tone great bass, regarded vintage japan import106/104~95/102 % 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 legendary 62 halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched balanced 115/120 ~ 120/122 % mutual gm ~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~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~ ~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

old stock amperex 6922 gold pin stereo tube, rare early production less harsh vs. dgetter!91/102% mutual gm and audio grade, deep bass great for vocals instruments amps mics+ ~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 / caliacoustics dot 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 psaudiobhk +more hifidelity apps~

2 old stock 12at7 ten japan audio tubes, ultra rare! dgetter/ogetter combo120/94~65/115 % gm (100+nos) ~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!)~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 psaudiobhk + more apps~

4 legendary large halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 106% mutual gm! audio grade quad, lush mids great for vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level detail ~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 hifidelity nec nippon japan 12at7 ecc81 audio tubesneutral tone great bass, regarded vintage japan import106/104~95/102 % 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 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!~

4 vintage pcc189 7es8 audio tubes / rare european varities / 2 nos 2 used both balanced!popular 6dj8/6922 plugin sub w/ unique audio character (variable mu) (for a linear footprint see our pcc88/7dj8 series)~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 (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 psaudiobhk +more apps~

3 old stock matsu japan 6dj8 ecc88 audio tubestop rated vtv 97 issue natural tone translucent highs!106/116~110/120~118/130 % 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 legendary 62 halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 115/120~120/122 % 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~

old stock amperex 6922 gold pin stereo tube, rare early production less harsh vs. dgetter!91/102% mutual gm and audio grade, deep bass great for vocals instruments amps mics+ ~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 / caliacoustics dot 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 psaudiobhk +more hifidelity apps~

2 old stock vintage import toshiba japan e88cc gold pin limited run grail rare collectible audiophile tubes ~cali acoustics~~see our other listings for alternate listening positions, buy/bid/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~~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~

4 legendary large halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 106% mutual gm! audio grade quad, lush mids great for vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level detail ~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 12at7 ten japan audio tubes, ultra rare! dgetter/ogetter combo120/94~65/115 % gm (100+nos) ~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!)~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 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 hifidelity nec nippon japan 12at7 ecc81 audio tubesneutral tone great bass, regarded vintage japan import106/104~95/102 % 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!~

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~

1 old stock 12au7/ecc82 toshiba japan audiophile tubefamed hifidelity sound curve rare dgetter resolution typefull gm test balance match, ships worldwide per piece ~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 old stock 12at7 ten japan audio tubes, ultra rare! dgetter/ogetter combo120/94~65/115 % gm (100+nos) ~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!)~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 psaudiobhk + more apps~

3 old stock ge 6dj8 audio tubes, underrated hifidelity mids! reminiscent of real telefunken ecc88pro ranked in vtv 97 issue! 2 special rf glass, superb in tube mics amps stereos + morebalance matched 130/130~125/124~105/105 % 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!~

2 old stock hifidelity nec nippon japan 12at7 ecc81 audio tubesneutral tone great bass, regarded vintage japan import106/104~95/102 % 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 legendary 63 halo true bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubes120/120~120/120% mutual gm + audio grade pair, euphony mids! vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level detail ~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~