08-20-2017, 05:12 PM
Beware the bias! I had a Kenwood KR-5150 way back in the day. When I got it, outputs on the right channel were DOA. I got OEM replacements, also replaced the drivers. The beast worked fine and sounded great, but after a few days those same transistors shorted.
Turned out that the bias pot was intermittent.
![Icon_sad Icon_sad](https://philcoradio.com/phorum/images/smilies/icon_sad.gif)