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Thread: SCORE!

  1. #21
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,494
    I'm AnDreW.

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    Quote Originally Posted by Filterlab View Post
    6SL7
    6SL7GT
    ECC35
    6H9C
    6188
    5691
    6SU7
    6SU7GTY
    6N9S

    All interchangeable with little issue I understand. Thereís probably more monikers for the same convention.

    Correct me if Iím wrong.

    Yep, seen all these. I'm just a little wary nowadays as I like the idea of getting optimal usage out of each valve, the 5691 escapade has made me slightly paranoid.

  2. #22
    Join Date: Jan 2008

    Location: Norfolk, UK

    Posts: 5,366
    I'm BigBobJoylove.

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    I guess with the 5691 having twice the filament current, it would need an appropriate power supply to ensure correct operation.

  3. #23
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,494
    I'm AnDreW.

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    Quote Originally Posted by Filterlab View Post
    I guess with the 5691 having twice the filament current, it would need an appropriate power supply to ensure correct operation.
    Yep and my croft pre had to be modded to accept the 5691, it changed the sonic signature markedly.
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen+Duelund Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  4. #24
    Join Date: Jan 2008

    Location: Norfolk, UK

    Posts: 5,366
    I'm BigBobJoylove.

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    Did the sonic signature revert to original when you switched the 5691s back out?

  5. #25
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,494
    I'm AnDreW.

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    Nope. The modification truly brought out the 5691's capability. So it wasn't a backwards step. It was initially quite difficult to assess what had changed and then within about 30 minutes I'd realised that the timbral quality was just on another level. Notes on things like the double bass had so much more resonance, soundstage was a little deeper with better coherence. Subtle but a big leap forward!
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen+Duelund Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  6. #26
    Join Date: Jan 2008

    Location: Norfolk, UK

    Posts: 5,366
    I'm BigBobJoylove.

    Default

    Ahhh, I get ya. Thatís good then.

    I am impressed with the 5691s, very musically satisfying.

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