AUDIOPHONICS PSU S4-HP Linear Power supply Module DC Micrel29752

Audiophonics PSU S3 Linear Power supply Module DC LT1083

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Reference : 10435
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Shipping date: 26-01-2021.

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Audiophonics PSU HP-S4

Audiophonics power supply module PSU S4-HP has been designed to provide clean power for an amplifier or any continuous audio circuit.

This version has a 6.5mm pre-drilled aluminum plate to improve heat-dissipation capacity and allow the module to deliver greater power. Those pre-drilled holes make it easier to mount the module into a housing or a heatsink.

Thanks to a potentiometer and a jumper, the user can adjust the output voltage from 5 to 24VDC from a 7.5 - 36V AC source.

Rigorous design and quality components make the PSU S4 HP an excellent choice to power a digital amplifier or any other Low Voltage High Fidelity devices such as DAC, headphone amplifiers for enhanced audio performance. For this purpose, the module uses 2x 1N5408 and 4 x 2scz2545 fast switching diodes.

The voltage regulator is a Micrel 29752, a popular component for critical systems due to its extremely low dropout.

This power supply has an impressive capacity for filtering with no less than 10 x ELNA electrolytic capacitors 5600μF / 35V (for a total of 56000μF available for filtering). A final output capacitor provides further enhancement for the PSU overall accuracy.

Capacitor10x ELNA RJD 5600uF / 35V
6x MKT (for diodes).
1x OsCon 150µf (output filtering)
Voltage RegulatorMicrel 29752 7.5A
Discharge resistorIntegrated
Output VoltageAjustable by means of a potentiometer + jumper (Transformer must provide appropriate voltage)
Jumper On: Adjustable from 12 to 24V
Jumper Off: Adjustable from 5 to 12.5V
Output VoltageVariable 5 to 24V
Maximum output currentto 7.5A according to the heatsink
connectable Maximum Music Powerapproximately 150W
Dimensions130 x 60 x 37mm.
Spacings50mm, 120mm
Distances heatsinks bores50mm
Transformer voltage5 to 22V AC.
Exemple : 11 or 12V AC for a 12VDC Output, the transformer must be able to deliver a rectified voltage with a delta of 4 to 6V DC
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Average votes
4.7 / 5
3 reviews
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Date :
Utilisée pour alimenter une carte mère sous Daphile (CPU de 10w de TDP).
Dimensionner impérativement le radiateur en fonction de la consommation, stabilité parfaite du voltage de sortie. A l'écoute, très supérieure aux cartes avec régulateur LT1083, différence de prix importante mais justifiée.
This review has been posted for AUDIOPHONICS PSU S4-HP Linear Power supply Module DC Micrel29752
Note :
Date :
So far this has proved be excellent, voltage once set is rock solid, although the load i have on it is well below its rating (maximum of 2amps) and at that it runs cool.

Fairly robust it has with stood a dead short on the output due to me using a faulty low voltage power socket. In dead short conditions the unit did get hot and then shut down, after removing the the short and letting it cool down it powered back up and is sound.

Pair with a good transformer and you have an excellent linear power supply, recommended.
This review has been posted for AUDIOPHONICS PSU S4-HP Linear Power supply Module DC Micrel29752
Note :
Date :
alimentation regulée
Alimentation stable (je l'utilise en 5v pour mon DARBEE 5100)un petit détail les condensateurs RUBYCON de 2200 micro sont en fait des 1800 micro
This review has been posted for AUDIOPHONICS PSU S4-HP Linear Power supply Module DC Micrel29752

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