Lm60mk2 by Stephen Mattys
Lm60mk2 Mosfet Power Amplifier Kit Apr 22, 2023 Hi Michael, The finished amplifier sounds phenomenal! Both channels deliver equal and spirited sound to my rather efficient Klipsch speakers. The bass… Read more >
BiAmpPro (TDA2030A+TDA2050)
BiAmpPro The BiAmpPro is an all-in-one solution in Bi-Amping your speakers. Everything is on one pcb. This is made possible by leveraging on chip amps and configuring them as active… Read more >
STK3152mk3 (2-Channel Voltage Amplifier)
STK3152mk3 2-ch Voltage Amplifier The STK3152mk3 is a very unusual module from Sanyo. It is not a power amplifier per se. Rather, it’s a Voltage Amplifier. As the name implies,… Read more >
STK4197mk2 (50W+50W+50W) Power Amplifier
STK4197mk2 3-ch Power Amplifier Module The STK4197mk2 was introduced at a time when Home Theater was the rage. It’s a 3-channel module, comprising of three power amplifiers of 50W each…. Read more >
STK4241mk2 (120W + 120W) Power Amplifier
STK4241mk2 The STK series was developed by SANYO sometime in the 90s I believe. They called it “Thick Film Hybrid IC”. Basically, they miniaturized the entire power amplifier into a… Read more >
LM3886TF Chip Amp Review
LM3886TF “Overture” Amplifier The LM3886TF is very popular in the HiFi community. It’s the “Overture” series from National Semiconductor. It’s so highly regarded that even some high-end manufacturers designed their… Read more >
TDA7293Pro
TDA7293Pro I designed the TDA7293Pro primarily for professional applications but I made sure it’s up to HiFi standards. This way, it can be used commercially or in the home. The… Read more >
TDA7293 Chip Amp Review
TDA7293 Amplifier The TDA7293 is one of the two chip amps that are very popular. The other is the LM3875. What separates the TDA7293 from the LM3875 is the power… Read more >
Lm60 Power Amplifier by David Cabana
Lm60 Mosfet Power Amplifier Kit Feb 12, 2021 Hi Michael, I did recheck the bias on the transistor and, somehow, it was at 35 mV. It is way to high… Read more >
Crown XLS Power Amplifiers Fan Modification
Crown XLS-202-402-602 Fan Issues Having worked on a few 1st generation Crown XLS power amplifiers, it seems that fan problems are common. Either the fan noise is unbearably loud or… Read more >