We know way too little about this subject but hopefully [Bob4analog] helped us learn a little bit more this time around. He’s building his own linear amplifiers on what looks like sheets of MDF. This ...

The tube audio amplififer was designed using SRPP 12SL7 tubes as the driver stage and SIPP KT88 tubes as the output stage to produce a Class A Ultra Linear Amplifier. This amplifier can be regarded as ...

Comprising the ZXCZM800 multi-channel digital modulator and the ZXCZA200 analog feedback processor, a digital amplifier chipset from Zetex Semiconductors has been introduced to create audio products ...

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs. Just over the D.C. line, Linear Tube Audio handbuilds ...

Understanding the capabilities and differences of linear and pulse-width modulated (PWM) AC power sources is especially helpful when determining which models meet your requirements. And, the selection ...

This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

This file type includes high-resolution graphics and schematics when applicable. Instrument amplifiers (INAs) are widely used for signal conditioning in data-acquisition systems and telemetry. Their ...