OK I ordered some of the 50k pots for the gain.

Its an ACP 50KC10 for $0.75 from Westfloridacomponents.com

I realized my ti500.4 is a little different as far as the pots. Has anyone sourced the gain and bass boost pots? 10k and 50k? or the click pots for the crossover selector? The Pots for the crossovers are 8 gang. The Bourns part is PTD908-1015F-B103 Please note the 1015K is the knob with the slotted ...

had a loud hum. I believe its something with the crossover board since switching the dial on the front from high pass to...forgot what its set at it went away. I also noticed the gain wasn't even on the fronts either.

Just curious what everyone thought about the XS series amps? Ive had ZX450s, ZX950, ti500.4 in the past. I recently hooked up a JL Audio Slash 300/4 and im just not satisfied with the quality compared to my PG amps.

Does anyone know where I can get my ti500.4 repaired?

I got a used JL Audio Slash 300/4 to use temporarily. It just doesn't sound the same as my PG.

Made a mistake. I looked at the cover...its actually a ti500.4 which I thought was almost the same as the zx475ti. And for the caps they are Nichicon. I didn't see anything visually wrong inside either. I tried to isolate and noticed the hum came from the Left. I also played around with the crossove...

I wanted to get some feedback on my hum issue on my ZX475ti. Its installed in a 2007 BMW 328i. It hums.... with car off with car running with RCA inputs disconnected through all 4 speakers Its been sitting for a while. I worked the static and popping out of the cross over pots. I even noticed my hal...