QULOOS PS1 Battery powered Ultra low noise power supply 9V 2A

QULOOS PS1 Battery powered Ultra low noise power supply 9V 2A New
The PS1 from Quloos is a 9V DC 2A battery power supply driven by an on-board micro-controller

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624,17 €tax excl.

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Shipping date: 20-04-2021.

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Battery powered ultra low noise power supply 9V 2A DC

Quloos PS1 is a 9V DC 2A battery power supply controlled by an on-board micro-controller. The device is based on a pair of RC Lipo accumulators in order to provide the cleanest possible power supply and to obtain an audio signal absolutely free from any disturbance related to the power grid.

It uses no less than 6 LT3045 low noise regulators with high stability, ideal for powering a very advanced high fidelity device requiring the quietest possible power supply in order to deliver the full extent of its audio qualities.

Battery power supply

In order to accommodate ideally most of your audio devices, the PS1 uses 4S75C power cells (1800 mAh total) with output electrical capacities that can reach above 100A. The main reason for this oversized performance is a desire to lower the ESR (internal circuit resistance) to achieve a better transient response - which also allows higher output currents and allows the PS1 to operate with a wide range of 'audio devices while providing a power supply as quiet as a series supercapacitor circuit.

The circuit has no less than 6 LT3045 low noise regulators, which promotes high reactivity of the circuit even with energy-hungry systems, while keeping the noise level below 1µv (theoretical 0.33µv).

High Bandwidth

Thanks to a circuit equipped with electrolytic capacitors as well as V-cap CuTF capacitors (fluoropolymer copper foil), the compensation of the high and low bands is done passively while ensuring a homogeneous and constant signal over the entire response range.

This type of component in a circuit with low internal resistance, contributes to a fast response from the power supply which offers the instantaneous power reserve necessary for the reconstitution of a clear and precise dynamics.

Galvanic isolation & automatic flux

The circuit is galvanically isolated from AC input at any point in the circuit. The two battery units integrated in the device take turns for charging and discharging. In other words: the discharging battery is never in contact with the main electrical circuit during its entire cycle and the electrical network is never exposed to the audio circuit.

The noise level caused by the power supply is therefore continuously low and extremely robust against occasional and unwanted variations in the power grid current.

APower on/off switch
BOutput source selection switch, for the selection of batteries or DC input as output
CInput indicator light of DC power adaptor
DCharge indicator of internal battery 1
ECharge indicator of internal battery 2
FOutput indicator: DC power adaptor
GOutput indicator: internal battery 1
HOutput indicator: internal battery 2

AInput interface of DC power adaptor: standard 5.5mm x 2.1mm size DC barrel connectors
BNot used in this version
CPower output interface and voltage label (The pin position of the plug connector is defined as shown in the following figure)

TypeBattery powered power supply 9V
Batteryx2 4S RC lipo battery  14.8V 1800mAh 75c 
Charge inputJack DC 5.5 x 2.1mm
Discharge outputPLT-16X (3 pin)
Charge12V 5A
Dimensions200mm x 180mm x 44.5mm
Package contents
PS1 9Vx1
Power adapter 100-240V to DC 12V 5Ax1
Power cablex1
PLT-16X to Jack DC (positive int / negative ext) 50cmx1
Data sheet
InputJack DC 5.5/2.1mm
Output voltage (V)9.0
Output current (A)2.0
Input voltage (V)12.0
Power SupplyBattery
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QULOOS PS1 Battery powered Ultra low noise power supply 9V 2A
The PS1 from Quloos is a 9V DC 2A battery power supply driven by an on-board micro-controller

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