I've just picked up a new dac with a wal wart power supply and fancy seeing what effect a better psu will have, has anyone got anything? It needs the standard common 12v plug with centre positive.
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Location: London/Durham
Posts: 6,881
I'm Lawrence.
I've just picked up a new dac with a wal wart power supply and fancy seeing what effect a better psu will have, has anyone got anything? It needs the standard common 12v plug with centre positive.
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Best to specify what current you need, plus the common power plug comes with 2.1 and 2.5mm centre pins, just to confuse the issue.
Location: Northampton, UK
Posts: 95
I'm Dennis.
I have one of these that I no longer use;
https://m.ebay.co.uk/itm/Finished-65...YAAOSwTapV6S-S
It’s the 12v version
£60 inc postage
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Get one of these https://www.maplin.co.uk/p/maplin-41...r-supply-xm20w on offer ATM for £15
They are internally adjustable and I have one set to 12v and another for 15v.
Cheers Lee
Location: London/Durham
Posts: 6,881
I'm Lawrence.
"Best to specify what current you need, plus the common power plug comes with 2.1 and 2.5mm centre pins, just to confuse the issue.
"
I thought you could use an overspecified supply safely but not an under as the current drawn would just be what's required, is that correct? But yes I need to say the minimum current. The one it came with is 3a but I've tried a 2.1a one with good results. I'm not sure about the pin, it's the same as a supply I bought without having to add any adaptors, which I assumed meant it's the default on a generic supply.
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Location: London/Durham
Posts: 6,881
I'm Lawrence.
Location: London/Durham
Posts: 6,881
I'm Lawrence.
I have the previous version which is adjustable. I would be very surprised if this wasn't. Yes screwdriver and MM is all you need.
If you are worried I'll sell you mine for £15 + P&P, which is adjusted to 12v.
Cheers Lee
Location: London/Durham
Posts: 6,881
I'm Lawrence.
Was it marketed at 13.8 volts or whatever? Was the potentiometer external on yours?
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Location: London/Durham
Posts: 6,881
I'm Lawrence.
This looks similar, 13.8v but walmart, those well known electronics experts, say it's suitable for 12v devices.
https://www.walmart.com/ip/Pyramid-2...upply/22866715
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