XTZ quotes 110 watts in Class AB and 50 watts in Class A ???? to me, the Class A sounded best with vocals and acoustic music like Carly Simon, Jim Croce, Bob Denver, etc. Played/tested for 3 days non stop 24 hrs straight. The dc offset is calibrated. This is a very heavy amplifier. So don’t be surprised if shipping will be higher than normally expected. Amp is clean and some slight scratches. And sounds really nice especially the dynamics. Switch on the front panel allows class a or class a/b operation! The big thing with this amp is its ability to work in Class A, the 'holy grail' of amplifiers that avoids the dreaded crossover distortion by ensuring the output transistors are always passing current. It also operates in conventional Class AB and you can select which mode it employs from the front panel. Has auto turn on, balance or rca inputs, bridge or stereo mode switches on the back. Thanks Kevin Restored over 200 power amps. Can’t keep them all so let them go to a good home where they will be enjoyed vs sitting on my shelf. Disregard McIntosh pass carver Arcam rotel Denon marantz

For parts only. XTZ quotes 110 watts in Class AB and 50 watts in Class A One of the unbalanced to balance switch on the back panel I bypassed. The bridge mode switch is also bypassed. Both input channels left and right work but u can’t have rca jack and balance cables hooked up at same time. I been using rca inputs.. Played/tested for 3 days non stop 24 hrs straight. The dc offset is calibrated to 10mv. This is a very heavy amplifier. So don’t be surprised if shipping will be higher than normally expected. Amp is clean. And sounds really good. Nice dynamics. Switch on the front panel allows class a or class a/b operation. Over 200amp I have restored. Can’t keep them, goal is to restore power amps and let them get enjoyed by users like you. BSEE Oklahoma (GI bill) USNavy - Electronic technician US Navy - micro miniature soldering school. Hobby, using my knowledge to restore amp so others can enjoy. The big thing with this amp is its ability to work in Class A, the 'holy grail' of amplifiers that avoids the dreaded crossover distortion by ensuring the output transistors are always passing current. It also operates in conventional Class AB and you can select which mode it employs from the front panel. Disregard McIntosh pass carver Arcam rotel Denon marantz

For parts only. One channel is bad. No output. This is a very heavy amplifier. So don’t be surprised if shipping will be higher than normally expected. Switch on the front panel allows class a or class a/b operation. The big thing with this amp is its ability to work in Class A, the 'holy grail' of amplifiers that avoids the dreaded crossover distortion by ensuring the output transistors are always passing current. It also operates in conventional Class AB and you can select which mode it employs from the front panel. Also works in bridge mode.