Tag: amplifier

TDA2040 Instrument Amplifier

the need for small and portable amplifiers has arisen mainly by a desire to come up with some sort of all-purpose busking amplifier.…

LightBox prototype

here’s a small battery-powered guitar amp that i’ve constructed from reused parts. the housing is a busted computer power supply (some of which…

No. 5 speaks.

and what a lovely voice it is. even through a Crate speaker (i’m saving the better speakers for when the testing phase is…

No. 5 come alive!

like Dr. Frankenstein, it’s about time to bring this little fellow to life… or at least try. the schematic i have is a…

5E3: Schematics and Ideas

I’m hoping this will clear things up for the night. Practical matters have brought about the decision to build a tube amplifier. In…

the final layout

She’s big and bulky, but you can’t ask for too much when you’re dealing with pre-printed PC boards. The 22k resistor in the…

two ears. two channels.

Double the circuit for stereo. This is a breadboard representation of a single “channel.” Each channel will have its separate PCB with controls.…