I got this 2.1 amplifier board where for sub it uses d1047 qnd for the satellite speakers it usue tda 2030 qnd the transformer im running em from is 12-0-12 plus 24-0-24 yes its a dual powered amplifier also its one idk why the designer didn't just design to use one, anyway im thinking if its...
Dear all, nice to meet you !
I recently invested in some tools to build amplifiers (my first oscilloscope + all-rounder C and R kits.). My end goal is to build an AM radio.
I have some basic knowledge in electronics : I have studied transistors and OP Amp functioning during my college masters...
This is my first post.
I have a Marantz PM-66SE KI.
The left speaker and headphone outputs are almost completely silent. This might be due to dead transistors.
I opened the unit and I noted the codes on the transistors screwed onto the heat sink. They are
A1265N
R 7K
and
C3182N
R 8A
I...
So ... during a frustration-filled internet grazing (instead of browsing) last night, I stumbled upon EveryCircuit. And boy do I love it already! After playing with it all night and feeling a huge urge to upgrade to full version, I thought it's better to ask the pros before spending the bucks on...