I've had the SA-102 for approx. 2 years. Yes, the amp gets hot to the touch, but never to the extent that it heats up the listening room by more than a degree or two. Also, the manufacturer stating that the sound quality of the 201 comes close to that of the 102 would make me choose the better of the two. Go with the 102... it sounds great, reasonably priced in the used market, good resale value, has a mute switch & a switch to play in either class A or A/B . If you want a newer / more current version of the SA-102, there are plenty of used SA-103's popping up in the classifieds... a bit more expensive than the 102, but also newer.
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