H x W x D (inches) = 4 x 18 x 17.5 Technological progress is a wonderful thing. Over the past 40 years or so, we’ve seen computers that filled an entire room get eclipsed in processing power by ones ...

Review: The Denon POA-A1HDCI 10 channel audio amplifier offers a slew of connectivity features and power few multi-channel amps can match. Its rated at 150wpx x 10 but can be bridged for double power.

In May 2025, Marantz introduced two reference-grade home theater components: the AV 20 preamplifier and processor and the AMP ...

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 ...

The AMP 30 carries the same clean, restrained exterior design language seen on the AV 20 and Marantz CINEMA Series AVRs, though in a slimmer chassis. Its signature front panel porthole display is more ...

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 ...

The new WiiM Amp, available for a fraction of the Sonos Amp's price, can handle lossless audio and supports all major Hi-Fi ...

Although relatively expensive, monofilar-wound, bipolar stepper motors provide strong torque for a given physical size. However, each of the motor's two windings requires eight driving transistors ...

JFETs are, almost invariably, depletion mode devices, which means that there will be some drain current at a zero-applied gate-source potential. This current will decrease in a fairly linear manner as ...