Parasound just introduced the Zpre3, its third generation stereo preamplifier for custom installation, in its Z-Custom half-rack-width product line. It succeeds the Zpre2 from 11 years ago. The ...

The circuit was designed to increase or amplify the short wave reception of radio frequency having a range of 5 MHz to 20 MHz. Shortwave (SW) – a term used to describe the radiant energy in the ...

Back in June, Boulder Amplifiers rejuvenated its midrange offerings with the introduction of the 300-watt 1160 stereo amplifier, the first product in the brand’s new 1100 series. Now, squeezing in ...

Rotel just announced the RC-1570 Stereo Preamplifier, which offers a blend of cutting edge digital circuitry with on-board Digital-to-Analog conversion and classic analog stages. Beneath the clean ...

The Ayre KX-R Twenty costs as much as a car, but its designer claims the Pono Player will sound almost as good as the preamp! Steve Guttenberg Former contributor Ex-movie theater projectionist Steve ...

This Hi Fi stereo preamplifier circuit is built with TDA1054 IC from SGS. TDA1054 is a 16-pin DIL package and integrates 2 separate preamp circuits. It is a low noise preamp with little or no problem ...