Is the Quad 3 stereo amp's sound performance as appealing as its aesthetic?

Meters, toggles and switchable between Class A/B and Class A operation – could this be an enthusiast's dream?

Power operational amplifiers (POPs) are becoming increasingly common in control circuitry. Their primary advantages over conventional amplifiers are reduced part counts, increased reliability, and ...

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

Dollar for dollar, pound for pound, a better seven channel amplifier than the Emotiva UPA-7 does NOT exist on the market. This is a safe purchase and a highly recommended one! When Emotiva finally ...

NEC has developed a GaAs-based power amplifier that achieves what it believes is the world’s highest output power of 10 mW in the 150-GHz band. Built with mass-producible GaAs technology, the device ...