OPA549 Amp Finished

[bostjancek]

And here is the top silk of mentioned Amp.

 

[protos]

Nice looking case and neatness.But two points:
Completely unecessary amount of heatsinking from my experience.
Speaker connectors are cheap plastic spring type found only in low price ``hi-fi´´.

And what are those line inputs? Headphone type jacks?

 

[Bob03]

SCH

Can you please post the schematics?

 

[traw]

schematics for opa549 pretty basic for non inverting... 1k,10k shunt to +, 10k feedback 1k to ground from -.

of course these heatsinks are overkill for opa549 as well. gutted my aleph 30 first attempt, got too hot, and made it into bridge opa549's. wanted to test balanced line drivers using opa2134 opamp. that way get more gain from both bridge and the phase split. works well... hmm, wonder if i should do the unity gain parallel chip. although i recall it not being best way to boost current drive (use parallel circuits and resistors instead). have room, boards, chips and juice for it....

let me know if dig out board layout of balance driver.

 

[tino96]

And here is the top silk of mentioned Amp.

Hi bostjancek, can we have the schematics of your amp?
many tnx in advance
bye

 

[striker_gt]

Very impressive dudes!

I liked it very much! I have some OPA549T amplifiers and I want to build my own amp. The only think I want to ask you guys is the schematic. Is the only thing I need.

Can you give me the schematic?

Thanks a lot

Striker_gt

Striker's site (striderhiryu)