1 Pyramid Gold Pb610GX with DIY active analog crossover inside (HP and LP) from 1KHz to 10KHz. Changed caps, opamps, class, transistors, cables, potentiometers and some other tweaks.
Each pair of channels made to order for the tweeters and mids I was using.
I may say the heatsink was almost only thing left from original amp.
Rated 4x40w RMS @4ohms
1 Pyramid Gold Pb310GX DIY, no crossover, 2x50@4 or 1x100@4 bridge for sub.
Now, currently working on 2 Pyramid Gold Pb610GX 4x50@4 for a 4-way system. Almost the same tweaks, but now I'll run passive crossover for everything except the subwoofer.
I think I won't go back to expensive amplifiers, unless I can test them before.
Focal 165 KF running passive, JL 12w3 in big ported box active 80hz, JL 450/4, Eclipse 7200 mkii, Yellow top optima, streetwires all around. I want to upgrade my front stage a bit either replacing the whole set or running them active.
Currently ive got a jl HD750/1 and audison SRX4, both are incredible amps...previously i had the PG RyvalV8001 and PG Octane R8.0:4, the octane was ok but got alot of alternator whine and the PG was great, never over heated no matter what i threw at it lol
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