Optimal Audio has launched its Amp series, featuring three high-power class A/B amplifiers. The Amp series comprises three two-channel amplifiers: Amp 100 (2 x 350W @ 4Ω), Amp 200 (2 x 700W @ 4Ω), and ...

1. Is Amplifier Weight an Indicator of Robust Amplifier Design? You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before you can generalize about weight ...