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Old 26th September 2007, 06:19 PM   #1
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Default Power for 3 Trends Amps

I'm thinking of putting my three Trends amps into a single case. Will this power supply work if I use a single power connection for tthe amps?

AC/DC Power Supply - 12VDC, 12.5A, 150W

Short-circuit / over-load / over-voltage protection
DC output adjustable to +/- 10% of rated output voltage
AC Input: 88-132VAC / 176-264VAC selectable by switch
Approvals: UL cUL TUV CE CB
199x110x50mm
Two Year warranty
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Old 26th September 2007, 08:37 PM   #2
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That's a big supply, don't think you'll have any trouble with it powering 3 T- amps. As I figure it, you would draw maximum 11A running all six channels full power sine wave into 4 ohms. Average musical draw will be much, much less. Maybe 1A.

You might be able to dial up the voltage a bit, to about 13 volts. That will give you a little more headroom - and you'll need all you can get.

You won't know until you try it, so YMMV. Does it say that it needs a minimum current draw?
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Old 26th September 2007, 09:12 PM   #3
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Thanks Pono, I figure if anyone would know, it would be you.

This is my second option, but it only comes in 8 amps

AC/DC Power Supply - 13.5VDC, 8A, 120W

Input Voltage: 88-132 or 176-264VAC
Output Voltage: 13.5VDC @ 8A
AC input range selectable by switch
Protections: short circuit / over load / over voltage / over temp.
3 color LED loading indicator
Cooling by free air convection
Fixed switching frequency at 25kHz
Approvals: CSA / NRTLC / CE
Two year warranty
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Old 26th September 2007, 11:12 PM   #4
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You're welcome!

The second one says it has a switching frequency of 25Khz. Getting kinda close to the audio spectrum, there.

No telling form the specs how well either is filtered. You can add some filtering if you need to.
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Old 27th September 2007, 12:01 AM   #5
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