A vintage piece of gear that has undergone hundreds of hours of modifications. Toroid power transformer, rewired, recapped, ground loops eliminated, Vampire Teflon RCA jacks, 0.4 Farad power supply. See some of the things I did to it on my blog at http://audiophile-musings.blogspot.com/
This is a high quality Yamaha A-25 Stereo Amplifier. It features Tone Control, Loudness Feature, Subsonic Filter, and 1/4" Headphones Port.