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Thread: Question - ECC88 and other related valve

  1. #11
    Join Date: May 2014

    Location: Solihull

    Posts: 270
    I'm Martin.

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    I came across pair of NOS E88CC Tesla with gold pin and marked with Crossed Swords and red tips.
    One I put into my SW1X DAC 1 and the other into my RWA Valve HPA
    The improvement was astounding
    Tangerine LP12,Naim Aro, Benz Wood
    Audiomeca Kreatura & Elixir Dac,SW1X DAC1
    Hovland HP100 MC
    SiriuS D100
    Quad FM4,RWA Cassabria + LCD 3
    HSM with re capped Mundorf Supreme and Atlas rewire

  2. #12
    Join Date: May 2014

    Location: Solihull

    Posts: 270
    I'm Martin.

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    Rummaging around in my valve box I have come across a pair of Mullard ECC88
    I remember using these in an X-Box HPA
    They are supposed to be a close pair and certainly produced much improved results
    I do not have access to a tester so I do not know how much life they have.

    Tom........... Yours to try for postage if you want
    Tangerine LP12,Naim Aro, Benz Wood
    Audiomeca Kreatura & Elixir Dac,SW1X DAC1
    Hovland HP100 MC
    SiriuS D100
    Quad FM4,RWA Cassabria + LCD 3
    HSM with re capped Mundorf Supreme and Atlas rewire

  3. #13
    Join Date: Mar 2016

    Location: Barnet, london UK

    Posts: 493
    I'm Adam.

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    Quote Originally Posted by ovlov854 View Post
    I came across pair of NOS E88CC Tesla with gold pin and marked with Crossed Swords and red tips.
    One I put into my SW1X DAC 1 and the other into my RWA Valve HPA
    The improvement was astounding
    Hi Martin
    so I can improve my DAC also with these tubes?
    thoughts?
    "lack of passion is fatal"
    LP12, Kore, Lingo2, Aro, SKale / DV XX2Mk2 / WAD 300b Power Modded, Mesh Plate Valves / David Coe AD Audio 'Satchmo' Pre & Phono / Hashimoto HM-7 SUT / AD Audio 'Little Gate' Jfet MC Cartridge Amp / Tannoy 12" MGs in Chatsworth size cabs / Speaker Cables: Duelund DCA16GA / Rpi3 & Digi + pro / SW1X Audio Design USB-SPdif / SW1X Audio Design DAC 1 Signature / Interconnects: Duelund DCA20GA home brew / SW1X Audio Phono SPDIF AERO 6 / David Coe AD Audio Silver USB / Synology NAS Drive / Tidal HiFi

  4. #14
    Join Date: May 2014

    Location: Solihull

    Posts: 270
    I'm Martin.

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    Quote Originally Posted by WESTLOWER View Post
    Hi Martin
    so I can improve my DAC also with these tubes?
    thoughts?
    Hi Adam .....Yes I reckon so. First my SW1X was changed to the lower output setting by Slawa and I did find his Russian tube a little coarse.
    I swapped to a gold pin Brimar E88CC and found that much more to my taste
    Then the Teslas came my way and I thought I would take a chance as they were a matched pair and would be saleable if I did not like them.
    Much more detail and ambience so they were a good buy.
    Tangerine LP12,Naim Aro, Benz Wood
    Audiomeca Kreatura & Elixir Dac,SW1X DAC1
    Hovland HP100 MC
    SiriuS D100
    Quad FM4,RWA Cassabria + LCD 3
    HSM with re capped Mundorf Supreme and Atlas rewire

  5. #15
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 2,268
    I'm Tom.

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    Quote Originally Posted by ovlov854 View Post
    Hi Adam .....Yes I reckon so. First my SW1X was changed to the lower output setting by Slawa and I did find his Russian tube a little coarse.
    I swapped to a gold pin Brimar E88CC and found that much more to my taste
    Then the Teslas came my way and I thought I would take a chance as they were a matched pair and would be saleable if I did not like them.
    Much more detail and ambience so they were a good buy.
    Hi Martin - thanks hugely for the offer but my Radford won't be ready for a month or two yet, so I won't have anything to try the valves out in until the New Year - happy if you extend to loan to Adam instead.

    All this valve talk is really displacement activity on my part while it waits its turn on Will's bench.
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ortofon 309 Limited tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N + Shure M3D Jico stylus; Mono - Miyajimas - Zero 0.7, Premium 1.0 retipped by Ana Mighty Sound bamboo cantilever, Spirit '78' 3.0 conical from Ana, also vintage GE VRII, Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Duncan 'Tuberhunter' 200w class D; preamp - Pass DCB1; Vinyl: Garrard 401 with AT1503 tonearm and vintage SPU-GE; SUTs - Ortofon 2-15k & Bob's Devices; Phono Stage: Schiit Mani; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  6. #16
    Join Date: Mar 2016

    Location: Barnet, london UK

    Posts: 493
    I'm Adam.

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    Quote Originally Posted by montesquieu View Post
    Hi Martin - thanks hugely for the offer but my Radford won't be ready for a month or two yet, so I won't have anything to try the valves out in until the New Year - happy if you extend to loan to Adam instead.

    All this valve talk is really displacement activity on my part while it waits its turn on Will's bench.
    "lack of passion is fatal"
    LP12, Kore, Lingo2, Aro, SKale / DV XX2Mk2 / WAD 300b Power Modded, Mesh Plate Valves / David Coe AD Audio 'Satchmo' Pre & Phono / Hashimoto HM-7 SUT / AD Audio 'Little Gate' Jfet MC Cartridge Amp / Tannoy 12" MGs in Chatsworth size cabs / Speaker Cables: Duelund DCA16GA / Rpi3 & Digi + pro / SW1X Audio Design USB-SPdif / SW1X Audio Design DAC 1 Signature / Interconnects: Duelund DCA20GA home brew / SW1X Audio Phono SPDIF AERO 6 / David Coe AD Audio Silver USB / Synology NAS Drive / Tidal HiFi

  7. #17
    Join Date: May 2014

    Location: Solihull

    Posts: 270
    I'm Martin.

    Default

    Quote Originally Posted by WESTLOWER View Post
    happy if you extend to loan to Adam instead.
    Hi Adam yes indeed pm me with your address and you can try them by all means.
    However be aware they are used and you should try to get them tested just to make sure
    Tangerine LP12,Naim Aro, Benz Wood
    Audiomeca Kreatura & Elixir Dac,SW1X DAC1
    Hovland HP100 MC
    SiriuS D100
    Quad FM4,RWA Cassabria + LCD 3
    HSM with re capped Mundorf Supreme and Atlas rewire

  8. #18
    Join Date: Nov 2014

    Location: Denbigh, N. Wales

    Posts: 79
    I'm Mark.


  9. #19
    Join Date: Apr 2016

    Location: Essex

    Posts: 118
    I'm Slawa.

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    Quote Originally Posted by ovlov854 View Post
    Hi Adam .....Yes I reckon so. First my SW1X was changed to the lower output setting by Slawa and I did find his Russian tube a little coarse.
    I swapped to a gold pin Brimar E88CC and found that much more to my taste
    Then the Teslas came my way and I thought I would take a chance as they were a matched pair and would be saleable if I did not like them.
    Much more detail and ambience so they were a good buy.
    Greetings,

    While military gold pin E88C made by Tesla are nice valves, there are better valves that match the character of the DAC I, in my book. I could highly recommend the Russian 6N6P valves from the late 50s or early 60s with a square getter made by Foton factory. Those valves have the most gorgeous, sonorous & full mid that I heard from a low/mid mu, noval format tubes.

    The other less relaxed alternative would be the 6N1P from the 60s or 6N5P from the late 50s. Those valves have a very dynamic sound character in our circuit and have nice and full mid bass.

    S
    SW1X Audio DesignTM ... Finest Audio Components ... Designed and Handcrafted in England
    www.SW1XAD.co.uk

  10. #20
    Join Date: Apr 2016

    Location: Essex

    Posts: 118
    I'm Slawa.

    Default

    One more thing Martin, the 6N6Ps you had were from the 80s. Those valves have a much thinner sound character, with a slight tilt towards the top end.

    S
    SW1X Audio DesignTM ... Finest Audio Components ... Designed and Handcrafted in England
    www.SW1XAD.co.uk

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