Upgrading your power amp can really make a difference but then again things such as sound quality and value are a very subjective topic.
Let’s compare the sound quality from a Yamaha TSR-700 alone with a TSR-700 and Rotel 1582 MKII Power Amp to drive the front left and right channels. This is a 7.2 Surround Sound setup that is playing music in an “All Channel Stereo” setting. The microphone is a single Sterling St59 condenser mic.
Upgrading Your Power Amp – a Conclusion
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