The triode in the ECL82 is used as a pre-amplifier for the incoming signal. The pentode is controlled with the pre-amplified signal and acts as a power amplifier. [Marcel]’s amplifier also uses ...

Audio Research’s self-declared "finest-ever power amplifier" is now shipping worldwide and it is the culmination of 55 years at the very cutting edge of valve amp design. What you're looking at ...

Seiko Epson Corporation (TSE: 6724, "Epson") has developed a new power management IC, the S1A00210B, for hearing aids and ...

At $2,199, the TEAC AP-507 power amplifier can be configured for two channel stereo, bi-amp, or bridged. The TEAC AP-507 is primarily designed to be a companion to the above-mentioned previously ...

Epson has unveiled its latest power management IC, the S1A00210B, designed for hearing aids and other compact electronic devices.