Thank you for your response Jason I really appreciate it. To answer your point, yes the amplifier sounds great, my test set up is a pair of bookshelf speakers on the front L/R channels and a 12" subwoofer bridged on the rear channels. That said, I have tested both the front and rear outputs ful...

Thanks for the response Silverhorse :D Looking inside there is a potentiometer on each of the 4 channels, and the all appear to be pointing in roughly the same direction. I think you're correct that the pots have aged. I may start by taking readings of the current value of each and giving them a few...

Hi Phorum, I'm new here. I've recently unpacked my old ZX475Ti and ZX600Ti amps that have been in storage for quite a while now. I've replaced the leaky power supply capacitors and the rail capacitors in both. The cases are suffering from the usual Ti spiders leg rust marks, so for now I've wrapped ...