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what is wrong with ZPA 0.3 V1

Posted: Tue Apr 07, 2015 9:43 am
by demosta
So guys. Can you help me with my ZPA?

Problem is a distortion, a lot of distortion.. Right channel sounds very clean and nice, but left channel doesn't. When i play music quietly it sound nicely too, but when i raise the sound level, music becomes very very distorted and the same time yellow thermal led blinks.


So right channel works perfectly and left channel doesn't.




-demosta-

Re: what is wrong with ZPA 0.3 V1

Posted: Mon Dec 30, 2024 1:28 am
by jack1212
The left channel distorts at high volumes, likely due to a thermal issue—yellow LED indicates overheating. Check for faulty components or insufficient cooling.

Re: what is wrong with ZPA 0.3 V1

Posted: Sun Feb 15, 2026 7:38 pm
by ttocs
sometimes it is just a dirty gain pot that can be cleaned by swiping it back/forth when it is turned off. Try turning any nob you can, just take note where it is prior to starting and put it back at that point.