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 ...

In systems with multiple supply voltages, operational amplifier power supplies must be established simultaneously with, or before, any input signals are applied. If this doesn’t happen, overvoltage ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates with a ...

Marantz has been in the high-end audio for over 70 years and has announced the latest additions to its home theater components: the AV 20 AV Preamplifier and AMP 20 Power Amplifier. The two new models ...

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.

NAMM 2026: California’s very own Synergy Amps is a leader in modular tube amplifier technology and is set to push the envelope once more with its patent-protected Machine-Learning Power Amp technology ...