Audio amplifier fault diagnosis gets a fast reality check as Roberto Armani shows how a square wave exposes what a sine wave ...

Our review of the Cambridge Audio EVO 150 DeLorean Edition streaming amplifier pleasantly surprised us with its objective bench test performance, features, user interface, and listening tests.

Previous installments of this series discussed the need to verify SPICE model accuracy and how to measure the output impedance and small-signal bandwidth of operational amplifier (op amp) models. In ...

In this bench test report of the Anthem MRX 740 & 1140 AV receivers, preamp & amplifier performance is evaluated and compared. We cover Bass management and amplifier matrixing performance ...