[Eeyore]

Mike Rivers wrote:

Eeyore wrote:

The EP amplifiers are a straight rip-off of QSC's RMX circuitry ( I know.
I've compared the circuits.) and even bear a visual resemblance. Sekaku did
it too plus their version was sold under the Tapco brand !

So how many different amplifier topologies can you sensibly have?

Getting on for hundreds. Maybe more. QSC's legendary trademark grounded collector
arrangement (as copied by Behringer) is a bit oddball. Almost everything else is
emitter follower.

Besides Behringer didn't just a copy that bit, it's a copy of ALL the circuitry.
Sekaku even went as far as to use the same component references. Like R10 on a
QSC is R10 on theirs etc.

Graham