Power supply +12V / Gnd / -12V

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Joined 2023
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I am setting up a Raspberry music system with the following stack (all by Ian Canada) :
I/V STD
9038Q2MPi Dual Mono Plus DAC HAT
Fifo Pi Q7 + ESS Controller
Raspberry pi 3B
PurePi II ← iFi Silent Power2

The I/V STD needs +12V/Gnd/-12V power. Is there any clean, low noise power supply with these outputs? I was looking at Ian's LinearPi MkII and saw it does 12V but not sure if outputs + and - plus the ground. That would need 24V in and out, if I am getting it correctly.

Currently have a wall wart off Amazon that outputs +/-/gnd but am sure it's pretty noisy. Ideally would like an ultracapacitor/LiFePO4 setup similar to the PurePi. Any suggestions?


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