thornev's Recent Activity

  1. thornev replied to the thread Fisher 500, how much can they be improved.

    I'm still trying to debug my Unity Gain module which, when installed, results in loud, buzzing distortion from the speakers. With the...

    Jun 24, 2018 at 1:58 PM
  2. thornev replied to the thread Fisher 500, how much can they be improved.

    I'm not using the RCA jacks. I'm just inserting the module into the circuit that is at the center tabs on the volume control. And I...

    Jun 19, 2018 at 12:00 AM
  3. thornev replied to the thread Fisher 500, how much can they be improved.

    Calling all Gillespies; calling all Gillespies.

    Jun 18, 2018 at 11:58 PM
  4. thornev replied to the thread Fisher 500, how much can they be improved.

    If I disconnect 2 from 1 and 7 from 6, then 2 and 6 aren't getting connected to by anything. Does that seem to make sense? Just read...

    Jun 18, 2018 at 11:47 PM
  5. thornev attached a file to the thread Fisher 500, how much can they be improved.

    Sam - I've attached the schematic for this mod. See if you still think those pins should be separated after you look it over. Thorne

    trebleboost_schematic (unity gain mod).jpg Jun 18, 2018 at 11:41 PM
  6. thornev attached a file to the thread Fisher 500, how much can they be improved.

    Attached, Sam.

    LF353N pins.jpg lf353n-pinout.gif Jun 18, 2018 at 11:28 PM
  7. thornev replied to the thread Best way to label tubes.

    I use a black Sharpie on the base of the tube glass. So far (5 months) it hasn't worn off.

    Jun 18, 2018 at 10:11 AM
  8. thornev replied to the thread 6AK5's?.

    Nixx... isn't that the way of it ?! We love this hobby and given some degree of financial independence, we're looking for audio...

    Jun 18, 2018 at 7:01 AM