New 4.4–5.2 GHz power amplifier combines 35+ dBm output power, 50%+ efficiency, and fully integrated matching in a compact ...

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 ...

Many of us will have found dusty forgotten pieces of electronics and nursed them back to health, but we were captivated by [Don]’s tale of electronic revival. Instead of perhaps a forgotten computer ...

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 ...

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 ...

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 ...

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 ...

Can a stripped down Linear Tube Audio MZ3 deliver the same experience for only $2,100? The LTA Velo makes it debut this weekend at CAF 2023. One of my favorite pieces of hi-fi gear in the entire world ...