unisis

  1. R

    TT Tube Technology Unisis bias adjustment

    Hi, I am currently repairing a Tube Technology Unisis from 1996, where the main capacitor leaked all over the circuit board. I have replaced them with some Mundorf Tubecaps and I also had to replace one of the EL 84. Did anyone figure out how to bias them with a multi meter at the contacts of...
  2. anuenlil

    Lacklustre perfomance from TT Unisis sig power amp?

    Dear all, I am the owner of a TT Unisis Sig power amp, fitted with Sovtek EL84M's. This is alternatingly combined with a Creek passive pre amp or a Croft Super Micro A preamp. The combo drives  Spendors, either my S3/5r's or SP1's. Now, much as I like the Unisis 'in principle', I remain...