[amb]

I added more pics of my β22 amp and σ22 PSU to the gallery section of the β22 website. Have a look and enjoy.

 

[Pars]

Quote:

Originally Posted by amb /img/forum/go_quote.gif Finally, my ?22 build is complete and ready for the 2007 Headfest. <snipped>

Really nice job Amb! Looks great (as always)... those cases have a really clean look to them.

 

[kklee]

Quote:

Originally Posted by amb /img/forum/go_quote.gif I added more pics of my β22 amp and σ22 PSU to the gallery section of the β22 website. Have a look and enjoy.

Wow! It's a beauty!

 

[Ikrit42]

Quote:

Originally Posted by sebastian589 /img/forum/go_quote.gif Ikrit42 what's the deal with what I am assuming is the power button on the front of your millet? I really like it, nice work! By the way if you want to build me one I wouldn't refuse

It's Digi-Key part CH873-ND, but with the lamp taken out, as I accidentally ordered one with 12VDC lamp.

The lamp runs off whatever you put through the switch (which in my case was 24V!

), so I almost melted it the first time I fired it up.

I had to perform I little surgery to get the lamp/resistor out, and it takes a ridiculously large hole to mount it on the panel, but it ended up looking nice.

The total parts for this one ended up coming to something like $150, plus a bunch more for some tools/supplies that I didn't have.
It's also not quite done: I still haven't drilled the holes in the top panel, butI kind of like it open, so I might just get some plexiglass to go there instead.

I'm also in the process of adding leds to the bottom of the fron, so It glows from below as well.

 

[dBel84]

I seem to keep building tin amps and then giving them away, so I decided to build a slight adaption of the last one I built and separate the signal and power grounds. The plan is to keep this one

( at least until AMB and MORSEL get the min3 sorted

) It is a simple modification of Apheared's 47 using a transistor buffer in the feedback loop and a slight modification of Rod Elliot's Buffered ground. TLE virtual ground powered from 2 9V batteries. I have yet to squeeze it all into a tin but I know it can be done.

http://new.photos.yahoo.com/dufniall...804323003731/8

hmmm, can't seem to get the image to load ? the link should get you there ..dB

 

[dubfire]

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[Polaris111688]

Re-cased the PPAv2 with HPDAC:

I modified the HPDAC dsavitsk built for me so that it could be used as a preamp for my Onkyo power amp. The new case has far better ventilation than the last one. The boards are actually secured very well inside the case now. I got rid of the "Christmas lights," as my roommate called them, so that it wouldn't keep him up at night. Yes, that's my desk in my dorm at the Air Force Academy. I'm pretty much the only one there that cares about hi-fi stuff.

A shot of the front panel. I still need to remove that pencil mark I made for drilling holes.

 

[kklee]

Not as pretty as AMB's amp, but sounds great!

Case is a Par-Metal 16x12x4 with a 3/16 custom front panel. This thing is huge!

Three β22 amp boards in active ground configuration mounted on an ε22 backplane. Power supply is a σ22 putting out +/-30V. Amp includes an ε12 protection circuit.

Front (Red LED is power, Blue LED is ouput enabled)

Gold RCA Input jacks and Schurter Power Entry Module

Plitron 120VA Toridal Transformer with aluminum shielding

Backplane view

Power side view

σ22 Power Supply

β22 Amp

 

[lordvader]

Love those cases !

Question though, is the top panel attached to the side panels, or are they seperate ?

 

[amb]

Quote:

Originally Posted by lordvader /img/forum/go_quote.gif Love those cases ! Question though, is the top panel attached to the side panels, or are they seperate ?

Par-Metal 20 series cases have an inverted U-shape top cover which includes the side panels.

 

[Pars]

kklee,

Very nicely done and executed, especially internally. Very clean layout.

Chris

 

[kklee]

Quote:

Originally Posted by Pars /img/forum/go_quote.gif kklee, Very nicely done and executed, especially internally. Very clean layout. Chris

Thanks. AMB's backplane option made it much neater.

 

[MoonHawk]

awesome build kklee.

 

[n_maher]

Nicely done, kklee!

 

[kanamin]

Well, my cmoy is finally in a tin, which is great except now it looks like all the other cmoys lol. This was done without a drill...

now to get more opamps/caps hehehe