1 x old stock hifidelity 6dj8 ecc88 amperex audio tube, legendary 64! 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 + more3 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 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~

center stage grail rated audio ~ 2 telefunken e88cc diamond <> germany w/ boxeshifidelity layered tone natural flat holographic response warm mid presence famed precision!vintage collectibles! legendary transparent imaging for vocals/instruments preamps tubemics+audio grade and full gm test balance 100/104~125/126 % mutual gm (65+good/100+nos)pristine tone roller pair! 62/68 smooth/ribbed types, ships well packed worldwide ~see our other telefunken listings for alternate listening positions! best offer enabled~~cali acoustics~ ~stereos preamps tubemics vocals instruments lofi/hifi and more warm/bright vintage tone ecc88 e88cc 6922 6dj8 apps~ ~rode mics woo audio liquid platinum aesthetix cat audioresearch arc ear herron decco lector manley echo horizons blue mics conrad frontiers pathos vac and more~

2 grail hifidelity 7308 gold pin amperex clear tone audio tubes, no low white label ceiling!famed additional low end boost rugged design over 6922/e88cc series, warm grey micasbalance matched 102/100~100/96 % mutual gm (100+nos/65+good) ~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!)~~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 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!~

2 old stock matsu japan 12ax7/ecc83 audio tubessmooth clarity hifidelity vintage legendary tonecollectible sealed box condition! ships well packed worldwide ~see our matsu 12at7 12au7 6dj8 7dj8 alternate listening positions! best offer enabled~~cali acoustics~

4 balance matched old stock philips sq series e88cc gold pin audio tubes, legendary tonereal holland codes and labels! (be aware of relabelers) pristine collectible conditionlinear transparent sound stage lively dutch house response famed warm bass imagingaudio grade circuit ready and full mutual gm test quad 100+% leak short gas+ superb second harmonic resolve for vocals/amps/mics, top ranked vtv 97 issue ~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 grail rated old stock telefunken e88cc gold pin audio tubes <> rare special resolution firstslegendary hifidelity tone natural response warm bass stage famed mid bloom extensionfull gm test leak short gas+ 110/106~99/90 % mutual gm (65+good/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 legendary 63 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 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!~

2 legendary 61 halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatch 120/120~118/120% mutual gm audio grade pair, lush 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~

2 legendary 62 halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubes115/120~120/125% mutual gm + audio grade pair lush 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~

2 old stock hifidelity toshiba japan 12at7 ecc81 audio tubeslegendary smooth tone! rare collectible special screened hi-s editionsfull gm test leak short gas+ 112/122~118/125 % mutual gm (65+good/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 nec nippon japan 12at7 ecc81 stereo tubes, legendary tonefull gm tight match test leak short gas+ 106/104~95/102 % mutual gm (65+good/100+nos)ships worldwide well packed w/ plain or branded tube boxes ~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)ships worldwide! well packed w/ old or new tube boxes ~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 balanced old stock hifidelity toshiba black plate dgetter 12at7 ecc81 stereo tubes, rare!full gm match test leak short gas+ 101/96~102/99 % mutual gm (65+good/100+nos)ships worldwide! well packed w/ old or new tube boxes ~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~

siemens e88cc/6922 audiophile tube, hifidelity tone! authentic germany real label visiblelegendary linear musicality lowest harmonic distortion pro instrument separation and more ~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 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 audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

grail rated siemens 6dj8/7dj8 audio tubes, rare 60s quad 2 nos / 2 used tone roller hifidelity!musical precision transparent warmth superb for preamps vocals instruments tube mics+full gm test leak short gas+ see condition section and audio grade circuit ready!6922/e88cc circuit plugin professional low level detail reveal classical pop funk jazz+ships worldwide! well packed ~see our other siemens listings for alternate listening positions! best offer enabled~~cali acoustics~ ~vocals instruments amps mics stereos lofi hifi warm bright vintage tone ecc88 6922 6dj8+~~rodemics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons bluemics echo conrad frontiers pathos vac and more~

2 grail rated old stock telefunken e88cc gold pin audio tubes <> rare special resolution firstslegendary hifidelity tone natural response warm bass stage famed mid bloom extensionfull gm test leak short gas+ 110/106~99/90 % mutual gm (65+good/100+nos)collectible audiophile editions sought after, ships worldwide well packed! ~see our other telefunken listings for alternate listening positions~~cali acoustics~ ~stereos preamps tubemics vocals instruments rode lofi hifi and more warm bright vintage tone 6dj8 6922 ecc88 apps~~rodemics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics echo conrad frontiers pathos vac and more~

2 old stock matched 7308 amperex hifidelity audio tubes, clarity bass extension+famed low end boost over 6922/e88cc series, warm resolve grey mica sound stagefull test balance leak short gas+ 102/100~100/96 % mutual gm (100+nos/65+good)superb clarity and flat response for vocals preamps stereos tube mics instruments +moretop ranked harmonics in vtv 97 issue / collectible pair! ships well packed w/ old tube boxes ~see our other listings for alternative listening positions! best offer always enabled~~cali acoustics~ ~warm/bright lofi/hifi stereos preamps vocals vintage hifidelity toneinstruments tubemics and more e88cc 6dj8 ecc88 6922 plugin apps~~rode mics k2 ntk at-4060 audio technica liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics conrad frontiers pathos vac +more~

4 legendary large halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 100% 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~~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~~cali acoustics instagram / cali acoustics 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 audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

4 balance matched old stock philips sq series e88cc gold pin audio tubes, legendary tonereal holland codes and labels! (be aware of relabelers) pristine collectible conditionlinear transparent sound stage lively dutch house response famed warm bass imagingaudio grade circuit ready and full mutual gm test quad 100+% leak short gas+ superb second harmonic resolve for vocals/amps/mics, top ranked vtv 97 issueships well packed worldwide w/ old or new tube boxes see our other listings for alternate listening positions, best offer enabled~~cali acoustics~ ~stereos amps vocals instruments tube mics lofi / hifi bright /warm tone e88cc 6dj8 ecc88 6922 plugin apps~~rodemics wood audio liquid platinum aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics conrad frontiers pathos vac and more!~

grail rated siemens 6dj8/7dj8 audio tubes, rare 60s quad 2 nos / 2 used tone roller hifidelity!musical precision transparent warmth superb for preamps vocals instruments tube mics+full gm test leak short gas+ see condition section and audio grade circuit ready!6922/e88cc circuit plugin professional low level detail reveal classical pop funk jazz+ships worldwide! well packed ~see our other siemens listings for alternate listening positions! best offer enabled~~cali acoustics~ ~vocals instruments amps mics stereos lofi hifi warm bright vintage tone ecc88 6922 6dj8+~~rodemics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons bluemics echo conrad frontiers pathos vac and more~

reference grade grail rated valvo audio tube set, hifidelity e88cc quad and e188cc singlemusical detailed imaging famed bass stage natural response depth, audio grade circuit readysought after collectible types! superb resolve great for jazz classical vocals stereos mics +morefull test leak short gas+ 110/130 94/89 93/92 106/104 106/110 % mutual gm (100+nos/65+good) ships well packed worldwide w/ plain or old tube boxes ~see our other listings for alternate listening position experiences! best offer always enabled~~cali acoustics~ ~lofi/hifi warm/bright vocals instruments e88cc 6922 hifidelity apps and more~~rode mics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons bluemics echo conrad frontiers pathos vac and more~

2 grail status hifidelity 7308 gold pin amperex clear tone stereo tubesfamed low end boost over 6922/e88cc series, warm grey mica sound stagefull test match balance leak short gas+ 102/100~100/96 % mutual gm (65+good/100+nos)superb clarity and flat bass response for vocals preamps stereos tube mics instruments +morecollectibles! ships worldwide well packed w/ old tube boxes ~see our other listings for alternative listening positions! best offer enabled~~cali acoustics~ ~warm/bright vintage tone hifidelity stereos preamps vocals instruments tubemics and more e88cc 6dj8 ecc88 e188cc apps~~rode mics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics conrad frontiers pathos vac and more~

2 disc getter ge stereo tubes, rare! limited run warm mids legendary usa made telefunk alternativesought after collectibles, superb depth for vocals instruments mics amps stereos+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level details record stylefull gm test leak short gas+ 125/124~101/130 % mutual gm (65+ good / 100%+ nos)nos = always give 100+ hours to settle in, ships worldwide well packed! ~see our other usa listings for alternate listening positions! best offer enabled~~cali acoustics~ ~lofi/hifi bright/warm vintage hifidelity tone apps e88cc 6dj8 ecc88 6922 stereos preamps vocals instruments tube mics and more~ ~rodemics liquid platinum woo audio aesthetix cat audioresearch arc ear herron decco lector manley horizons echo bluemics conrad frontiers pathos vac and more~