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  1. #1
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    Tube Choices For Signature and Master Preamps

    Hello Everyone, Happy owner of a VAC Signature SE preamp for 2 years. Stock tubes only so Iíve been starting to think about tube options for both the line and built in phono stages. Starting a thread to consolidate responses.

    Any experiences or recommendations to share from the group with tube options for the Signature and Master Preamps?

  2. #2
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    Re: Tube Choices For Signature and Master Preamps

    I have finally settled on a pair of Amperex PQ 6922 tubes as my favorites although the stock ones are quite good and I could easily live with them too.
    I have no phono section.
    Larry


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  3. #3
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    Re: Tube Choices For Signature and Master Preamps

    Quote Originally Posted by Dguitarnut View Post
    I have finally settled on a pair of Amperex PQ 6922 tubes as my favorites although the stock ones are quite good and I could easily live with them too.
    I have no phono section.
    Great info Dguitarnut, thank you! I’m newer to the tube rolling topic. I haven’t opened up my Signature SE yet, any thoughts what stock tubes the Signature SE ships with?

  4. #4
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    Re: Tube Choices For Signature and Master Preamps

    The Master came with Electroharmonix 6922’s.
    Larry


    Lumin U1
    Chord Dave Dac
    Vac Master Preamp
    Vac 200IQ Amp
    Magico S3 Mk2 in Mcast Pewter
    Denali 6000S
    Ansuz and MIT cabling
    Timbernation walnut racks

  5. #5
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    Re: Tube Choices For Signature and Master Preamps

    Quote Originally Posted by Robd2 View Post
    Great info Dguitarnut, thank you! Iím newer to the tube rolling topic. I havenít opened up my Signature SE yet, any thoughts what stock tubes the Signature SE ships with?
    My guess is Golden Dragon from China

    My favorite Signature SE tube is 60's Siemen and Telefunken e88cc. Sound is transparent, linear and detail. Telefunken prices has skyrocketed to $700 MP so try find some Siemens. GL!

  6. #6
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    Re: Tube Choices For Signature and Master Preamps

    IMO, it depends upon what kind of sound you’re looking for and where the rest of your system currently is. In my system and for my tastes Mullards were too warm, Telefunkens just a little too analytical, and Amperex were just right. That was due in part to the fact that I already had the tonal balance I wanted in my system. Had I thought my system was a bit too warm and lacking detail I suspect I would have preferred the Telefunkens. They’re all good tubes. Depends upon your taste.
    Analog source: AMG Viella 12; Ortofon Anna cartridge, van den Hul Crimson Stradivarius XGW
    Digital source: Totaldac d1-twelve Mk2 DAC, Totaldac d1-player, Totaldac d1-streamer, Totaldac Live Power supply
    Pre amp: VAC Master with phono
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  7. #7
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    Re: Tube Choices For Signature and Master Preamps

    NOS Amperex 7308 gold pin are just right for my taste in my system.
    Rance


    Synology DS411+II | GigaFOILv4+Keces P3 Power Supply | Audioquest Diamond Ethernet | Lumin S1 | VAC Master Line Stage | VAC Signature 200 iQ amps | ARC REFERENCE 160M amps | JBL 4367+Isoacoustics Gaia I | SVS PC-4000 subs x 2 | Shunyata 6000T | Luminous Audio Technology cabling and power | Solid Tech racks | Vicoustics room treatments | ASC Iso-wall/Iso-ceiling construction

  8. #8
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    Re: Tube Choices For Signature and Master Preamps

    This weekend I pulled the lid to have a look inside my Signature SE. Looks like it shipped with a pair of Electroharmonix 6922 in the preamp section. Sonic signature-wise, any thoughts on how these compare to the NOS Telefunkens, Siemens, Amperex?

    FYI the phono section shipped with Russian made Mullard 12AX7s

  9. #9
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    Re: Tube Choices For Signature and Master Preamps

    EH tubes are stock in the Master preamp also. Amperex are a little fuller and warmer with a bit plumper bass and a very slightly relaxed top end but still very detailed. Siemens are more in the neutral camp, similar to EH but a bit sweeter. Haven't heard any of those particular Tele's.
    Rance


    Synology DS411+II | GigaFOILv4+Keces P3 Power Supply | Audioquest Diamond Ethernet | Lumin S1 | VAC Master Line Stage | VAC Signature 200 iQ amps | ARC REFERENCE 160M amps | JBL 4367+Isoacoustics Gaia I | SVS PC-4000 subs x 2 | Shunyata 6000T | Luminous Audio Technology cabling and power | Solid Tech racks | Vicoustics room treatments | ASC Iso-wall/Iso-ceiling construction

  10. #10
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    Re: Tube Choices For Signature and Master Preamps

    To report back. I splurged for a pair of the Tele E88CC. Very very interesting results at the first note..... Iím excited to hear if and how these evolve.

    This now has me thinking about swapping out the new issue Mullard 12AX7s in the onboard phono stage. Those of you running VAC phono stages, what tubes do you like here?

    Regarding tonal/imaging qualities. I do feel I could use just a little more image precision from my phono rig.

  11. #11
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    Re: Tube Choices For Signature and Master Preamps

    Quote Originally Posted by Robd2 View Post
    To report back. I splurged for a pair of the Tele E88CC. Very very interesting results at the first note..... Iím excited to hear if and how these evolve.

    This now has me thinking about swapping out the new issue Mullard 12AX7s in the onboard phono stage. Those of you running VAC phono stages, what tubes do you like here?

    Regarding tonal/imaging qualities. I do feel I could use just a little more image precision from my phono rig.
    Iíve stuck to the stock tubes for now. But I have plenty I could try. I love how it sounds now, so I havenít felt the urge.


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  12. #12
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    Re: Tube Choices For Signature and Master Preamps

    A question I was hoping the group could help answer for me. Regarding the tubes in the onboard phono. Are those always "on" even when listening to other inputs? I think the answer is yes just wanted to confirm.

  13. #13
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    Re: Tube Choices For Signature and Master Preamps

    Quote Originally Posted by Robd2 View Post
    A question I was hoping the group could help answer for me. Regarding the tubes in the onboard phono. Are those always "on" even when listening to other inputs? I think the answer is yes just wanted to confirm.
    Yes.


    Sent from my iPhone using Tapatalk
    My Systems: http://www.audioshark.org/showthread...481#post158481

    "We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."

    Dealer for: Aqua Hi-Fi, Audio Research, Aurender, AudioQuest Cables & Power Products, Avantgarde Acoustics, Avid HiFi, Ayre Acoustics, Berkeley Audio Design, Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Chord, EMM Labs, FirstWatt, Focal Headphones, Furutech, Fyne Audio Loudspeakers, GigaFoil, Gryphon Audio, Harbeth Loudspeakers, Hegel, HiFi Man, ISO Acoustics, Keces Power Supplies, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Naim Audio, Ortofon, Pass Labs, Quadraspire, Shunyata Research, SimAudio, Stein Music Products, Stenheim Loudspeakers, Stillpoints, T+A Electronics, TechDAS/AirForce Turntables, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.

    https://suncoastaudio.com/
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Tube Choices For Signature and Master Preamps

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