Standard Operational Amplifier (op-amp) Circuits

Paul. This scan is from my old ETI Circuits #2 from the 70’s.  It’s about the best op-amp info you are likely to find.  With a bit of knowledge, these six circuits are an instant ready-reckoner and allow you to do almost anything! If you’ve no knowledge, they’re just squiggles on paper.  But then so… Continue reading Standard Operational Amplifier (op-amp) Circuits

studiomaster diamond compact 4-2

Mixer Pictures from Paul Front Panel Back Panel Main Board These are the best pictures Paul can get. I just received them today. But what does it all mean? This is my appraisal. It’s a very simple four channel mixer. It doesn’t appear on the Studiomaster website, so it must be quite old and obscure.… Continue reading studiomaster diamond compact 4-2