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Old 8th January 2013, 09:11 PM   #1741
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I would hope that anyone selling an enclosure would make it explicitly clear IF it is a momentary switch. I would be quietly confident in this case it isn't a mom.

There are plenty of circular push buttons with mains rated DPDT switch and an LED. They won't be high current switches but they will be plenty for a headphone amp.
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Old 8th January 2013, 10:30 PM   #1742
tom3 is offline tom3  Greece
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Has anyone pcbs for sale?(BAL-SE, PSU)
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Old 9th January 2013, 05:06 PM   #1743
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I pulled out the power switch from my front panel.

It's a defond 6a 125vac - it has 3 tabs on it.

I should be able to wire it up directly to ac.
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Old 9th January 2013, 11:27 PM   #1744
nattawa is offline nattawa  Canada
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If it has 3 tabs only the illumination is almost certainly a neon bulb. Mains switches with a neon lamp almost always have an internal protection resistor and that would allow you to wire the third tab (for the lamp) directly to Neutral of the incoming ac without the need of extra components.
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Old 10th January 2013, 02:07 AM   #1745
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Ok. I'm using the middle and top tab. It seems to power up ok.

But since swapping out the jack, I seem to have a few touchy issues with the output.

I'll have to open it up to take another look at it.
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Old 18th January 2013, 04:08 PM   #1746
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Owen (or anyone else who knows), what's the pitch for the input and output vias on the PSU board? By comparing to my 0.200'' pitch terminal blocks it looks like .150'', but I'd like to know for sure =)
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Old 18th January 2013, 05:18 PM   #1747
opc is online now opc  Canada
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Hi Emphrygian,

It probably is 150 but I'll confirm when I get home this evening.

Cheers,
Owen
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Old 21st January 2013, 08:24 PM   #1748
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Should I be grounding it to earth ground or can I leave the circuit floating?
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Old 22nd January 2013, 01:03 PM   #1749
opc is online now opc  Canada
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Quote:
Originally Posted by Emphrygian View Post
Owen (or anyone else who knows), what's the pitch for the input and output vias on the PSU board? By comparing to my 0.200'' pitch terminal blocks it looks like .150'', but I'd like to know for sure =)
Hi Emphrygian,

Sorry for the delay... I just checked the layout and both inputs and outputs on the PSU are spaced at 0.125".

They were intended to have wires soldered directly to the pads, so I'm not sure if they make connectors with that pitch. Next time I'll opt for a more standard spacing if there is room.

Cheers,
Owen
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Old 22nd January 2013, 03:14 PM   #1750
Stixx is offline Stixx  Germany
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...Next time I'll opt for a...
hint, hint?
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