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Thread: 6sn7 and 6sl7 nos or modern which is best

  1. #1
    Join Date: Oct 2009

    Location: Birmingham, UK

    Posts: 309
    I'm Phil.

    Default 6sn7 and 6sl7 nos or modern which is best

    Has anyone compared tunsol of old against the modern type , I'm currently running a pair of ming da monoblocks , 6sn7 6sl7 and el34 power vale
    jinvina 805 , I have replaced the new tungsol el34 with rtf and it has slightly more body and less edgy top end than the modern tungsol , its better I
    think , I have never tried swapping the 6sn7 and 6sl7 , I have read that the melz is a great sounding valve , I have had most 12au7 12ax7 and like
    the old rca and tungsol , finding mullard to coloured and lacking top end , I'm not a lover , but tend to like the usa type valves especially old tungsol
    has anyone gone down this road , cheers phil.

  2. #2
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 3,083
    I'm Tom.


    The Tung Sols are pretty good. (6SN7)

    However I got fantastic results with Sophias and TJ Full Music, which I think may be the same tube re-labelled.

    Wonderful synergy with my old Puresound 2A3 and Tannoy Golds.
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ikeda IT-407 tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N, Ikeda 9C III, SAEC/Excel C3; Mono - Miyajimas - Zero 0.7, Premium 1.0, Sonovox MC-4 1.0, Edison '78' 4.0 conical, and 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: Pass Aleph 'Mini'; preamp - Firebottle custom; Vinyl: Garrard 401 with AT1503 tonearm and vintage Ortofon SL-15e with matching Ortofon 2-15k SUT; Phono Stage: Firebottle Plus; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  3. #3
    Join Date: Oct 2011

    Location: London Town

    Posts: 2,108
    I'm Julian.


    Once I installed a quartet of TAD 6SN7 in my preamp I stopped tube rolling... I got the extended treble I was missing and find them much more even handed and neutral than vintage tubes I tried...
    The Source - Kuzma Stogi - AT33 PTG/II - Fidelity Research FRT-3 - Conrad-Johnson EV-1 - Consonance Cyber 222 mk2 - Philips DC380 - Shanling CD-S 100 MK 11 - Toshiba ST-420 - Tannoy Chatsworths

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