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Post by bigtony on Dec 17, 2009 16:19:09 GMT
Has anyone built a battery box to power this amp? I'm getting my kit together, and as I have no power socket by my bed, I'd really like to run this on batteries if possible. A charge circuit would be helpful, but not a deal breaker.
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Post by marzukia on Dec 28, 2009 10:38:33 GMT
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Post by Deleted on Dec 28, 2009 10:55:34 GMT
marzukia Interesting build, even more so because you made a JLH without the benefit of the PCB. Those Jaycar 1 unit rack cases can be a PITA, due to those space gobbling bars. Altronics has a very nice 1U case without the bars, but it is more expensive, and they aren't in N.Z. SandyK r
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Post by marzukia on Dec 28, 2009 11:07:04 GMT
I did get lots of help with that JLH remember. ;D
I was originally even going to mount all the boards on rails like on the leaflet that came with the chassis but there's not enough clearance even after bending the tall caps and the heatsinks so I ended up mounting everything to the bottom. Would've worked if I'd gotten the 2U size though.
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Post by Deleted on Dec 28, 2009 11:25:31 GMT
marzukia I do remember the teething problems you had with the JLH, but nevertheless there were only a couple of members who tried that route. I can relate to the bar problems, as I even had trouble squeezing in an XLR socket on the rear panel of my Class A HA. This time with the SC DAC, I tried the Altronics 1U rack case, and there is so much more front and rear panel space without the bars, and they look really good too, with a glossy black finish. SandyK
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Will
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Post by Will on Dec 29, 2009 10:52:45 GMT
Marzukia, that's a lovely clean build. Very nice indeed.
The JLH on veroboard is very impressive as well. It would have taken a fair bit of patience to get it set out and working. Top Stuff!
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Post by marzukia on Dec 30, 2009 13:41:10 GMT
Thanks Will! There were some memorable exploding caps during construction. I'll definitely pick up a board or two though next time there's a run. ;D
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Post by fault151 on Feb 21, 2010 13:06:55 GMT
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robertkd
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Post by robertkd on Feb 21, 2010 13:24:09 GMT
Mark, very nicely done, looks great ps Love the OPS Earth ?? ummm OPA Earth??
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Post by fault151 on Feb 21, 2010 13:54:57 GMT
Cheers for the comments.
yeh i still need to sort that. I'm going to use the sun module eventually, but i broke the led on the pin. Need to order a new one if it can't be fixed.
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robertkd
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Post by robertkd on Feb 21, 2010 14:27:45 GMT
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Post by fault151 on Feb 21, 2010 14:42:59 GMT
Sorry that was meant to say 'leg' not 'led'. It is one of the legs inter the pin socket that has snapped off. I don't know how i would replace it really. It seems to be soldered to the pcb on the op amp.
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robertkd
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Post by robertkd on Feb 21, 2010 15:09:21 GMT
Oh krap that sucks, but looking at it the pins that go intothe IC socket seem to be soldered into pins soldered into the PCB at the bottom of the module. They look replaceable, but might take some skill but doable
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Post by fault151 on Feb 21, 2010 15:37:51 GMT
yeh it looks fiddly. Ill give it a go but i need to swap the huge nib that i have on my soldering iron first.
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robertkd
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Electronics Engineer from sunny Queensland
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Post by robertkd on Feb 21, 2010 15:44:38 GMT
Hey Mark, Happy to help,... if you need ;D
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Post by fault151 on Feb 21, 2010 16:07:14 GMT
Ok thanks, I'll see how i get on. If I can't manage it ill be in touch
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robertkd
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Post by robertkd on Feb 21, 2010 16:18:20 GMT
hey happy to help
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Post by clausdk on Feb 21, 2010 19:44:45 GMT
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Post by Deleted on Feb 21, 2010 21:20:42 GMT
I second that. Very nice case and workmanship ! Alex
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Will
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Post by Will on Feb 23, 2010 12:48:29 GMT
Very nice, Mark.
Your B22 looks is as purty looking and well put together as well.
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Post by fault151 on Feb 23, 2010 17:17:46 GMT
Cheers guys, really appreciate the nice comments!
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mrarroyo
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Post by mrarroyo on Feb 23, 2010 23:53:10 GMT
That is a nice build indeed!
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Post by PinkFloyd on Feb 25, 2010 0:26:44 GMT
Awesome Mark Mike.
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Post by fault151 on Feb 26, 2010 9:33:14 GMT
Cheers guys. Was listening to the amp last night, it really does sound good! I especially like it with the sun module.
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Post by fault151 on Feb 26, 2010 9:37:43 GMT
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