WTD 12v linear PSU

[Lawrence001]

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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[Firebottle]

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.

[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

[lilolee]

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.

[Lawrence001]

"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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[Lawrence001]

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

Thanks I was hoping for something a bit cheaper but it's a good fall back. Oh I should say a silver front is preferred.

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[Lawrence001]

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.

Now that looks good, what do I.need to adjust the supply, a digital voltmeter and screwdriver? Why does it say fixed voltage in the spec?

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[lilolee]

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.

[Lawrence001]

Was it marketed at 13.8 volts or whatever? Was the potentiometer external on yours?

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[Lawrence001]

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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