TODO updated, next up is cap and ground lift mounting. Then find fuse holders that are suitable. Lastly, I'll wire up the power supply and test that.
After that I wait for the heatsink to arrive, schematics to be drawn up, or do them myself, PCB layout to be done, or do it myself, then order, assemble, and enjoy!
NO! I _STILL_ haven't found any reasonable secondhand speakers to buy :-( This might be the biggest challenge of all.
Fred.
Simple Cheap Compact IC-based High Performance Amp
Re: Simple Cheap Compact IC-based High Performance Amp
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Re: Simple Cheap Compact IC-based High Performance Amp
Today, what better to do than assemble some heavy-duty circuits! Pics to come in next post, but for now: TODO updated!
Current TODO consists of:
Current TODO consists of:
- Install new power socket/switch/fuse
- Bolt down both bridge rectifiers
- Figure out how to mount the filter caps and do it
- Wire up all power supply components and test
- Get schem/layout done
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Re: Simple Cheap Compact IC-based High Performance Amp
In order:
1) Snubber caps on main bridge
2-6) Ground lift circuit
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7099.JPG)
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7100.JPG)
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7101.JPG)
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7102.JPG)
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7103.JPG)
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7104.JPG)
1) Snubber caps on main bridge
2-6) Ground lift circuit
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Re: Simple Cheap Compact IC-based High Performance Amp
Heat sink arrived! It has a somewhat "Don't fuck with me!" look to it, so I thought I'd play the same part for the shot:
![Image](http://stuff.fredcooke.com/amplifier.project.bcn/IMG_7147.JPG)
Usually I'm smiling in photos, so today I thought I'd be different. This is as close as I can fake to "Furious Fred" like the one that appears when people nearly run him over in Barcelona.
Fred.
Usually I'm smiling in photos, so today I thought I'd be different. This is as close as I can fake to "Furious Fred" like the one that appears when people nearly run him over in Barcelona.
Fred.
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- SleepyKeys
- LQFP144 - On Top Of The Game
- Posts: 549
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Re: Simple Cheap Compact IC-based High Performance Amp
Wait a minute, that pic looks familiar........
![Image](http://powerefi.com/files/fred-wda.png)
![Image](http://powerefi.com/files/fred-wda.png)
You snooze, you lose!
Re: Simple Cheap Compact IC-based High Performance Amp
ROFL! Copyright infringement!!! :-o So I stole it back. Cached here as you've lost files from your server in the past ;-)
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- SleepyKeys
- LQFP144 - On Top Of The Game
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Re: Simple Cheap Compact IC-based High Performance Amp
I sure hope that this amp doesn't make any smoke! :-(
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- SleepyKeys
- LQFP144 - On Top Of The Game
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Re: Simple Cheap Compact IC-based High Performance Amp
With that heat sink, I think you are covered. I would be more worried about gun smoke from your neighbors, after you turn the volume up ![Smile :)](./images/smilies/icon_e_smile.gif)
![Smile :)](./images/smilies/icon_e_smile.gif)
You snooze, you lose!
Re: Simple Cheap Compact IC-based High Performance Amp
ROFL!
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