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Schiit Valhalla Tube Rolling thread.

Discussion in 'Headphone Amps (full-size)' started by mr.tom, Jul 24, 2012.
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  1. cebuboy
    I did not notice any changes in sound, the chasis does seem to feel cooler.
     
    tricolor and Deftone like this.
  2. tricolor
    hey! i ended up getting the tubemongers. yeah, guess i didn’t want to risk buying off from ebay. ( Had some no so great experience with cheap stuff before, sadly). I do not think there is any loss in quality. and for sure, the chassis is pretty cool to touch... it definitely looks nicer! :)
    cheers!
     
    Deftone likes this.
  3. Marlowe
    Same experience here and, though subjective of course, IMO the amp looks much nicer this way (which was really the reason I got the socket savers). However, since I went to Tung-Sol 2C51 input tubes which require adapters of roughly the same size, I removed the socket servers from all four tubes. Since the Tung-Sols are rather stubby, the power tubes with socket savers looked disproportionately tall; overall it still looks nicer than stock.
     
    tricolor likes this.
  4. tricolor
    thank you Tony, i got the stickers going... if you pay attention, we can see them... so i might try to trim and make it cover the led only.... but it is interesting option for sure!




    E1255008-81D5-43A0-9761-AE57755BE997.jpeg
     
  5. Deftone
    Making my way through the thread but is there any benifit in changing the back tall tubes ?
     
  6. Deftone
    E0FFC171-AC25-4BF2-B5BC-1C3DBFC79B60.jpeg

    Socket savers come today, really brings the looks of the Valhalla to the next level.
     
    YtseJamer and tricolor like this.
  7. tricolor
    Hmmm, as far as I have been reading... there would not be any major changes in the system... Maybe if you get military grade vs. regular, we might end up with longer running time... but that is just my guess...

    Cheers!
     
    Deftone likes this.
  8. Deftone
    Thanks, I’m very satisfied with combination of stock and gold lions tubes used right now I don’t think there’s any need to change anything, I can just buy a set of spares from Schiit.
     
    tricolor likes this.
  9. Deftone
    My Valhalla 2 has around 50 hours of run in time and maybe 24 hours each on the stock and the gold lion tubes.

    In comparison to the Genalex i find the stock to have a bigger sound stage and a little brighter, the bass is also a little on the weak side but the soundstage and clarity is impressive just let down by a slight amount of grain. Not bad stock tubes at all to be included in the amp, some people may not need any better.

    Now to the gold lions, there is something special going on with the sound these put out, the midrange with my HD650 is beautiful, really seductive and addictive. They are not as bright as the stock tubes but are still just as clear, more balanced overall. The Genalex have more detail and texture that just makes music sound alive, I find the tubes be so good that I am able to “settle” on them and not even think about trying something else.
     
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  10. Deftone
    My Valhalla has a quiet buzz/hum when I put my ear close, it’s not actually coming through the headphone output. is that normal behaviour for tube amps?
     
  11. limelake
    Yep stock tubes really are great ! I have a bunch of different tubes for it. My favorite is 5670's (which require and adapter). JJ's are nice...bass punches really hard with a nice balance on mids and treble. Toshiba's have bass that goes earthquake low...not a huge amount of bass...but still lots and a lovely liquid smooth sound..the tubes are quite microphonic though. Stock tubes are just plain old smooth, perhaps a little bright. 5670's have an amazing 3-D I am there sound stage, with warmth.
     
    tricolor and Wes S like this.
  12. tricolor
    hmmmm, have you tried to use a different pair of tubes? i don’t think it is normal... mine is completely silent...
    try to hook it up maybe to a different electrical circuit/breaker?

    cheers!
     
  13. KoshNaranek
    Valhalla uses an AC heater circuit. A 50 or 60 Hz hum would be the cathode heater ivibrating to that frequency

    It is nothing to worry about
     
    Last edited: Mar 28, 2018
    tricolor and Wes S like this.
  14. KoshNaranek
    Another possibility is that the transformer windings are a bit noisy. Also nothing to worry about
     
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  15. Deftone
    Ok, good to know. Thanks
     
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