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Power Amplifiers

In a power amplifier (main amp), the power (measured in watts) generated drives the speakers to achieve a high volume level. While modern digital power amplifiers usually do their job with low power consumption, little waste heat and high performance, most valve or Class-A amplifiers sound sexier but traditionally generate more heat and have higher power consumption. They rarely produce in excess of 50 watts rms. For those of a green disposition and not wishing to heat their house with an amplifier, the best compromise between environmental protection and good sound is the classic transistor amplifier in A/B operation.

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From the team at LowBeats