Tubes for a T100 Yamaha/Soldano Head

Discussion in 'Amps/Cabs Tech Corner: Amplifier, Cab & Speakers' started by Smgbad, Jan 30, 2012.

  1. Smgbad

    Smgbad Supporting Member

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    Raleigh, NC USA
    So I just got off the phone with Soldano amps and asked for a recommendation for new tubes for my late 80's Mike Soldano designed Yamaha T100. I thought he was going to say something nice, and boutiquey, and expensive. He recommended JJ tubes in the 7 preamps and 4 matched 5881 Sovteks as thats what they use in their stock amps and they proved to be the most durable... :huh

    My experiences with them in the past have been that they are the ones I'm constantly replacing. :mob


    Any truth to that being a reliably good sounding setup, or do they just use thos because they are cheaper than using SED's or Tung Sols?
     
  2. 5992

    5992 Member

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    My T50H came with Chinese Coke bottle 6L6GCs. They had the Yamaha logo on them.

    I did a test with several varieties of 6L6s, including various Chinese, Russian and used American made tubes. They all sounded pretty much alike. I think it has to do with the fact that most of the distortion is generated in the preamp. However, I go good results with mine when I put the gain on 12-1 o'clock an cranked the master to get the power tubes cooking. But I digress.

    Sovtek 5881s would be a good choice. They are robust and fairly inexpensive and will last a while. They are kind of flat sounding in other circuits, but I found that they sounded pretty good in the Yamaha/Soldano amp.
     
  3. Smgbad

    Smgbad Supporting Member

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    In that case, would you recommend Sovtek 5881WXT, Sovtek 5881, or Tung Sol 5881 RI?
     

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