Olomana Posted February 2, 2018 Share Posted February 2, 2018 my jolida amp seems to acting up with humming in the right channel. I am trying to find schematics and if folks know of people who repair/upgrade tube amps. mucho mahalo, Olomana Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted February 2, 2018 Share Posted February 2, 2018 Where are you located? There are qualified techs all around the USA who could handle the repairs. Maynard Quote Link to comment Share on other sites More sharing options...
Olomana Posted February 2, 2018 Author Share Posted February 2, 2018 ABQ, NM Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted February 2, 2018 Share Posted February 2, 2018 I've heard good things about this fellow in regard to repairs and upgrades: http://audiocraftsman.com/ Maynard Quote Link to comment Share on other sites More sharing options...
Frank1938 Posted February 3, 2018 Share Posted February 3, 2018 19 hours ago, Olomana said: my jolida amp seems to acting up with humming in the right channel. I am trying to find schematics and if folks know of people who repair/upgrade tube amps. mucho mahalo, Olomana Have you tried switching cables first and then tubes? Could be one of the two. Quote Link to comment Share on other sites More sharing options...
Olomana Posted February 3, 2018 Author Share Posted February 3, 2018 Good idea. Will try that before installing the new Crites type A crossover Quote Link to comment Share on other sites More sharing options...
Olomana Posted March 6, 2018 Author Share Posted March 6, 2018 been super busy and kicked out of the listening room for a while. hiss was definitely just on one side when I switched the speaker cables. Then I tried moving the tubes Left to the right and the hiss followed. Now I gotta figure out which tube or tubes is the culprit. Given my upcoming month's schedule, should get this sorted by Christmas.... 1 Quote Link to comment Share on other sites More sharing options...
Frank1938 Posted March 16, 2018 Share Posted March 16, 2018 On 3/6/2018 at 3:12 PM, Olomana said: been super busy and kicked out of the listening room for a while. hiss was definitely just on one side when I switched the speaker cables. Then I tried moving the tubes Left to the right and the hiss followed. Now I gotta figure out which tube or tubes is the culprit. Given my upcoming month's schedule, should get this sorted by Christmas.... Good to hear that it was something simple. Try to get it sorted before summer when you'll get busier. 1 Quote Link to comment Share on other sites More sharing options...
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