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4th February 2012, 01:32 AM
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#11 |
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diyAudio Member
Join Date: Dec 2003
Location: Here
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ok so how to wire for 24v power from batteries and 12v charging too them?
This is gonna end up being a bit like the RedWine Audio amps - one of theirs does the 12v/24v thing
__________________
'I have nothing. I owe much. The rest I leave to the poor. - Francois Rabelais satirist & doctor d.1553 |
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4th February 2012, 02:20 AM
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#12 |
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diyAudio Member
Join Date: Apr 2004
Location: Halifax, NS, Canada
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I'd gear up a multi-pole rotary switch with a four positions:
- everything off - amp off battery - batteries in series, amplifier connected to battery - amp off AC supply - batteries disconnected, amplifier connected to power supply - charge mode - batteries in parallel and connected to battery charger In the last position, I'd put a low value resistor (1-2 ohms?) in series with each of the batteries. It'll limit a possible current surge between the two batteries if their voltages are different, and it will balance the battery voltages. I haven't thought about how many poles you need in a rotary switch to pull this off. |
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4th February 2012, 04:55 AM
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#13 | |
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diyAudio Member
Join Date: Dec 2003
Location: Here
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Quote:
 that would be one massive rotary switch
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'I have nothing. I owe much. The rest I leave to the poor. - Francois Rabelais satirist & doctor d.1553 |
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