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. here is the first screen shot of
Tag: amplifier
The Esteli: an LM386N-based cigar box amp
The Esteli: Cigar Box instrument LM386N-based Amp from abram on Vimeo. Here’s the latest in general purpose amplifiers made from reused parts. The enclosure is an old cigar box for
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 is in the No. 5) as well.
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 over). overall, i’d say a success for
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 random luck of the draw internet find,
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 this case, I’m going to get a
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 gain path makes for extremely high output
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. This one lacks a volume pot, but