FS: Pioneer M-90 Power Amplifier
Jul 22, 2008 at 1:26 AM Thread Starter Post #1 of 2


Headphoneus Supremus
Feb 15, 2007
It is in slightly used condition with some slightly scraped corners and I'd suggest cleaning the inputs on the back since they are a tad bit dirty. This is a vintage amp that was discontinued in 1998. It used to be Pioneer's top of the line power amplifier in the 80's and 90's. It has a headphone port so you can use this as a headphone amplifier and a speaker amplifier at the same time. You can also drive two sets of speakers at the same time! I will post pictures later but I am posting this now in case anyone is interested. I would like $530 shipped for it and that includes the manual for it. Here is some information on it.

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