Hi all
I am new to your forum I usually use the Music electronics forum but iv been having problems uploading images there and I found this site so I thought id give it a go, iv seen a few user names I recognise from there on here too 🙂
I have a rack mounted Trace Elliot GP11 on an AH250 output amp and I want to know how I check the bias voltage on output side of this amp??
WHY...
I had to replace the 2 x 2SK134's and 2 x 2SJ49's because the 49's were bad and causing 60+dcv at the speaker jack 'not good' so I replaced them with Exicon replacements. Anyhow the amp now works very well again but I feel its not loud enough and I want to check the bias voltage is correct for these new parts. I have had a look on some other threads but they don't seem to explain it well enough for me to get a grasp of how to do it on this amp, so a nice clear explanation is needed here please🙄
I have attached some pics of the amp and schems too.
Any help will be greatly appreciated. Thank you.
I am new to your forum I usually use the Music electronics forum but iv been having problems uploading images there and I found this site so I thought id give it a go, iv seen a few user names I recognise from there on here too 🙂
I have a rack mounted Trace Elliot GP11 on an AH250 output amp and I want to know how I check the bias voltage on output side of this amp??
WHY...
I had to replace the 2 x 2SK134's and 2 x 2SJ49's because the 49's were bad and causing 60+dcv at the speaker jack 'not good' so I replaced them with Exicon replacements. Anyhow the amp now works very well again but I feel its not loud enough and I want to check the bias voltage is correct for these new parts. I have had a look on some other threads but they don't seem to explain it well enough for me to get a grasp of how to do it on this amp, so a nice clear explanation is needed here please🙄
I have attached some pics of the amp and schems too.
Any help will be greatly appreciated. Thank you.