some pg xenon amplifiers came with little notes about an update in the turn on circuitry, and the owner should wait 10-15secs before the turn off/on cycles,

Anyone has more info on this?

That really sucks man.

sorry to hear.

Its not really a big deal though, these are on sub, So you wont hear it.

I Have 4 200.2's coming for the front stage, I hope to god those are noise free.

its actually on my bench..


head unit straight to amplifier,

It is only happening to the refurb one though.

after some more observations, i noticed that the good one only clicks once before coming out of the muting stage,

However the refurb clicks twice.

hey guys, i'm building a new SQ system using PG Xenon Amplifiers, So far i have the pair of 400.1's in my hand, I'm doing some bench testing to check for noises, 1 of the amplifiers is used and the other is a refurb off ebay. The used one has no noise issues what so ever, The internal relays are a b...