AUDIO-GD PSU-2019 Linear Power Supply Unit Regulated 3.3V

Audio-GD-2019 PSU

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Reference : 13914
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Shipping date: 03-12-2020.

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Audio-GD regulated linear power supply 3.3V

Linear power supply module by Audio-GD. Operates in pure class A with positive or negative dual output.

Uses exclusively high quality components (Nover, WIMA capacitor and Toshiba transistors) for an extremely neutral impact on the sound. This module is ideal for circuit that are very sensitive to power noise and need little current such as DA, DAC, preamplifier stage, OPA... etc.

The operation in pure class A has a high input impedance and low output impedance. This allows for a very fast output response while maintaining an extremely low current.


If the input voltage is at its maximum value (shown in the table below), please change heatsinks or mount the transistors directly on the chassis.


TypePower supply
Pure class A
Idle current80mA
Temperature range0-85 ° C
Voltage range (max current) Input6-15VDC (80mA)
6-12VDC (120mA)
6-9VDC (160mA)
output voltageDouble + 3.3V
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De la balle !
Terrible, déjà sur secteur, mais le must c'est de l'alimenter via des batteries LifePO4 (6,4v, on peut monter à 9,6v sans que ça chauffe). Fonctionne très bien aussi avec deux paires de DA-M1 en pushpull ou Symétrique. J'en ai commandé une troisième pour l'alimentation 3,3v numérique. Je comparerai à la conversion DC/DC de l'interface.
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