On Monday, November 7, 2016 at 9:52:50 AM UTC-5, wrote:
Build OTL = transistor
P: 65W
Vin: 0.775V
Rin: 400 kΩ
BW: 30Hz - 17kHz
0,2%
CMRR: 70 dB
i don't know where to start. Help me please 
((
Thanks a lot
I am going to go out on a limb he
Look for a Class D modular amplifier. One of many sources is linked.
http://www.classdaudio.com/amplifier-kits/
Quick, simple, not terribly expensive.
Peter Wieck
Melrose Park, PA