#21
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Mraudio....if you have a couple of Telefunken ECC803S or the Siemens triple mica in gold pins equivalent that test at spec & you would consider selling, I am receptive to a PM.
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#22
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Quote:
Same with the 6SN7s. The reissue Tung-Sol are terrific. Better to my ears than either NOS RCA red-bottom or GEs. Tube rolling is part of what it is all about. Tailoring the system to one's own taste.
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Glenn... Canton Reference 9 Clearaudio SM Pro Focal Bathys JLA 10" Dominion Kuzma Stabi S w/MC & MM Magnepan 1,7i McIntosh MA8950 & MR88 Oppo 203 Roon Nucleus Rose Hifi RS150B Shunyata Gemini-4 Sony ST-A6B, TA-F6B, ST-J75 & PS-X75 Sorane SA1.2 & TA-1L Stillpoints LP1v2 WW Pt, Au & Ag Last edited by Formerly YB-2; 05-27-2013 at 06:13 PM. |
#23
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I roll like crazy, and I've never had McIntosh tube amps (though I've love to hear them one day). Got lots of vintage tubes, and I believe that lots of the new production stuff is excellent. No, I haven't found new production tubes that are as lovely as say a Tung-Sol round plate 6SN7 or a Mullard long-plate 12AX7, but they do offer many fine options for perfecting system balance that are affordable, available, and sonically competitive with all but the best (sometimes unobtanium) vintage types.
In fact, I'm looking at various new production 6CA7/KT77/KT88, 12AU7, and maybe 12AX7 to roll into my system. My preamp uses 8 of the EH 6H30pi, and these superb sounding tubes are known for their extreme reliably (not much in the way of rolling options here, though). EH KT90 and KT120 both work great in my amp. Some gear and some positions react more to rolling. Changes in my amp's output tubes and phase splitter/inverter are currently the big sensitive slots in the system; well worth rolling here. My prior VAC preamp and current phono stage are less rewarding to rollers, but fortunately they both ship with new production tubes and sound great as-is. |
#24
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What is great is finding some tubes you really like then pulling them out of the equipment never using them so they dont wear out............
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#25
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I've rolled tubes in all my gear.
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#26
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I have a fairly modified Mingda MC34-AB valve amp that I have tried a few different valves in both NOS and new production. I run a pair of Mullard ECC35 tall bottle brown base in the input stage as well as some Brimar 12AU7's. The Mullards are considered to be holy grail valves and for good reason they are very clean and open sounding with huge soundstage. I like them so much I bought a mint second pair, very expensive but worth every cent in my opinion. I run 8 x Svetlana Winged C new production EL34 valves in the output stage which I am very happy with. Having said that all the caps/resistors have been upgraded and I use these big old vintage chokes and the amp has been completely re-wired point to point with nice 7N copper solid core.
I would run some quality NOS output tubes but the cost x 8 would be huge! |
#27
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I've rolled tubes in Dynaco, Cary, Audio Research, Vincent, California Audio Labs and of course McIntosh.
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#28
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No.
Yes.
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Lumin P1 streamer/DAC/preamp, Constellation Inspiration integrated TT: Michell Gyro SE MkII, SME V, Koetsu Urushi Vermilion, EAR324. Harbeth 30.2s, REL R-305, Shunyata Alpha V2 ICs, Alpha V2 SPs, Sigma XC, Sigma NRv2, Omega QR-s & Alpha NRv2 PCs, segmented Altaira SG stack w/ Alpha & Omega CGCs, Everest 8000 PD. Remote Server Room: Uptone EtherREGEN, AfterDark Master Clock & LPS, Alita, Battle Angel, (Akasa NUC Roon Core), iFi DC Purifiers (for SMPS used for Alita & router), Shunyata Gemini combo power distributor & Altaira-type CG GP-NR hub, Venom & Alpha CGCs, Shunyata NRv14 power cords for digital components. |
#29
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Hi,
I rolled at least 30 NOS types of 12AU7 in my VTL preamp. And you really feel the differences. This job is addicted! |
#30
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Stefan.......Tube rolling is great fun, educational, inspirational, and expensive if you become addicted. I have rolled tubes in all of my preamps and power amps. It is part of the joy of owning valve gear.
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Dan STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113 VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A |
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