DiyAudio. DIY PROJECTS. After 22 years, it appears that quite a few DIY enthusiasts are still eyeing the A40 Class A amplifier design, but are discovering that not a single transistor from this design is still available.
The following information is for those scouting out substitute parts: The Lambda output devices are no longer available, and they weren’t that common to begin with. Lambda appears to still be in business, but not in the business of power transistors. Common everyday complementary power darlington transistors will substitute for these. Atari Video Music C 240 RARE Vintage Psychedelic Visualizer as Is 2096. Oracle motor/controller problems - DIY turntable. DiyAudio Member Join Date: Feb 2004 Location: Chinook Country.Alberta.
MartinLogan Source High-Performance Electrostatic Loudspeaker (Single, Black): Electronics.