hifi engine

ka-5x

good sound quality at a second and it goes into a distorted and low volume..pls help me to rectify ....



ka-5x

What manufacturer?

If that is an amplifier it could be something as simple as bad connections or capacitors. Could be a transistor breaking down, dirty switches, malfunctioning power supply, or a short on an output line.

ka-5x

this is a power amplifier with a power transistor complementary 2sd718/b668 @ 110 v japanese manufactured. i'll try to check those probables that you have mentioned.... and get you back for the results thank you so much for the spare time in replying my queries.