Originally Posted by wg_ski
So what’s the “reason”?
Some H class amplifiers can survive operating on high rails continuously - at high impedance (think 20 ohms or more, not just 8) and high frequency where you can use 1 millisecond pulsed SOA. Some can’t even do that - if they rely on periodically reducing the rails to keep within Vceo ratings. This tends to be the case with the really big ones, if the high rails are above +/-125V.
Sorry to talk,
to understand I can drunk 5 Beer and know what to do
but when he dont understand schematic how to disable Class H
... dont understand simple basics
he play with his life, High Voltage is Dangerous.
please not do it, not make your family sad