Adcom GFA-545MKII Amplifiers

I am reviewing the first GFA-545 with bipolar transistors.

Have two of these that I bought used and recapped. They push four 10" DVC subwoofers @ 8ohms. They both sounded great when I bought them but I wanted to be sure they would have enough umph for subs. I also have a GFA-2535 that I use to drive 1" silk...

No category for Adcom 545 so I'll post it here. A fan of audio equipment and sound reproduction for around 50 years . Recently bought a recommended" budget component of the year winner" power amps by one of the big mags. Thankfully there was a 30 day...

This review is for the Adcom 545. No category so I'll place it here. A few months back in searching for a clean and affordable power amp ,I bought ( name witheld) a popular, " budget component of the year winner" as stated by one of the big mags. Thank...

Got this for $200 used from an audophile neighbor. No idea how old it is. I'm using it to bi-amp some Polk RTi-12s, it's hooked to the lower half of the cabinets, powering the 3 bass radiators per side. All I can say is Oh- My-God. It drives the...

I actually had the GFA 545 (Mk I). I had always lusted after Adcom gear since the late '80s, but when I finally got this unit in 2006 I was disappointed. I expected a fairly refined sound. What I got was cold, hard, sterile and steely. I felt like I...