Turntable Power Supplies

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Pro-Ject Black Li-Po Battery Based Power Supply

We at Pro-Ject Audio Systems strongly believe that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. In order to offer a maximum in sound quality and optimum isolation of the phono preamplifier from mains interferences, we designed the Power Box RS Phono with battery power output. Pure and clean energy is very important everywhere where low level signals are amplified. A turntable cartridge deliveres the lowest signal level from all the known sources of audio signal. Typical level of a low output MC cartridge is about 0.2mV = 0.0002V. Such low level signal is very vulnerable against all kinds of interferences and noise.

Pro-Ject Silver Li-Po Battery Based Power Supply

Pro-Ject Black Linear Power Supply

Linear power supply consists of a big toroidal transformer with shielding between primary and secondary winding which acts as an isolation transformer and avoids penetration of interferences from mains into amplifier. This transformer has a big power reserve, compared to a standard power adaptor. It has very low output impedance and in combination with large filtration capability it can easily manage required power of one stereo amplifier or two mono amplifiers. Advice: To avoid magnetic interference do not stack amplifier and Power Box RS Amp!

Pro-Ject Silver Linear Power Supply

Pro-Ject Black Universal Linear Power Supply

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. In order to offer the possibility of improving sound quality, we designed the linear power supplies Power Box RS Uni 1-way and 4-way for our reference standard (RS) line.

Pro-Ject Silver Universal Linear Power Supply

We at Pro-Ject Audio Systems strongly believe that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. In order to offer a maximum in sound quality and optimum isolation of the 

When Power Box RS Phono is connected to Phono Box RS and switched ON, only the accus are connected (adapter and charger are physically disconnected) so Phono Box RS is completely isolated from mains interferences. When accu voltage decreases and reaches certain limits, further playback will be a danger for status of the battery, the charger is automatically connected. This status is indicated by LED on the front panel. Everything continues without any limitation and playback is possible, but the advantage of completely isolating for the charging period is lost. Even if the biggest advantage is temporarily not available, the battery now works as very big filtration bank and the sound is still far better than in case of using the standard power adapter. When accu is fully charged, the charger is disconnected and again Power Box RS Phono powers Phono Box RS only from accu packs.

Fully isolates Phono Box RS from mains interference and noise while playback

Advanced Lithium Polymer battery (one for each channel)

Optimised battery life due to intelligent micro-processor controlled charging electronics

Linear power supply consists of a big toroidal transformer with shielding between primary and secondary winding which acts as an isolation transformer and avoids penetration of interferences from mains into amplifier. This transformer has a big power rese

As every amplifier, also digital ones, are sensitive for good quality of energy they are powered with. It is proven by extensive listening tests, that linear power supplies improve the sound of digital amplifiers significantly. This is what all well known high-end manufacturers already realised. Therefore Power Box RS Amp offers a big sound upgrade at an affordable price!

Suitable for Pro-Ject Audio Systems power amplifiers

Replaces original “switching” power supplies

Almost double amplifier power output combined with Amp Box RS, Amp Box DS & Stereo Box RS (2x 200/120 watts 4/8 ohms)

Significant sound improvement with better dynamic and bass response, improved soundstage

Compatible with Amp Box RS, Amp Box RS Mono, Stereo Box RS but also with Amp Box DS or Amp Box DS Mono

Big toroidal transformer with copper shielding

Filtration capability 40.000 uF capacitors low ESR types

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. In order to offer the possibility of improving sound quality, we designed the linear power supplies 

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. In order to offer the possibility of improving sound quality, we designed the linear power supplies Power Box RS Uni 1-way and 4-way for our reference standard (RS) line. It significantly enhances the sound quality of following components: CD Box RS, DAC Box RS, Head Box RS, Pre Box RS, Pre Box RS Digital and Stream Box RS. Power Box RS Uni 1-way is for one of these components and Power Box RS Uni 4-way for four of these components.

A linear power supply consists of a massive toroidal transformer with shielding between primary and secondary winding, which acts as an isolating transformer and avoids penetration of interference from mains into the audio component. The built-in transformer has a much higher power reserve compared to the standard power adapter. It has very low output impedance and in combination with large filtration capability it can easily manage all power needs. Sound staging, darkness of silent backgrounds and small detail resolution will improve strongly and contribute to a far better overall performance of each component.

Standard connection cable (3-pol) is included in delivery. Special high end super shielded connection cable in specified lengths 20cm, 40cm, 80cm and 1m available on request.

Purest & cleanest power using non-switching power supply

Soft start system avoids current inrush in primary winding

Main isolating transformer with copper foil shielding

Secondary voltage rectification with precise regulation

Low noise components with surge protection

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. The Power Box RS Uni 1-way TT significantly improves the sound quality of your turntable and was specially developed for turntables with a heavy platter.

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. The Power Box RS Uni 1-way TT significantly improves the sound quality of your turntable and was spe

Cleanest power for ultimate sound of your turntable!

It is a proven fact that a power supply is a very important part of the audio path and significantly contributes to the sonic quality of an audio product. The Power Box RS Uni 1-way TT significantly improves the sound quality of your turntable and was specially developed for turntables with a heavy platter. We therefore recommend using it with the models RPM 9 & 10, Signature 10 & 12 and Xtension 9, 10 & 12. The Power Box RS Uni 1-way TT is of course also compatible with all other Pro-Ject turntables with 15V DC supply voltage. (Do not use Power Box RS Uni 1-way TT with Phono Box RS.)

A linear power supply consists of a massive toroidal transformer with shielding between primary and secondary winding, which acts as an isolating transformer and avoids penetration of interferences from mains into the audio component. The built-in transformer has a much higher power reserve compared to the standard power adapter. It has very low output impedance and in combination with large filtration capability it can easily manage all power needs. Sound staging, darkness of silent backgrounds and small detail resolution will improve strongly and contribute to a far better overall performance of each component. Standard connection cable (3-pol) is included in delivery.

Connect it RS – TT 15V MiniXLR – 2.1 power cable included.

Specially developed for turntables with heavy platters (RPM, Xtension & Signature Line)

NEW Connect it RS - TT 15V MiniXLR - 2.1 power cable included

Turntable Power Supplies

Pro-Ject Black Li-Po Battery Based Power Supply

Pro-Ject Black Linear Power Supply

Pro-Ject Black Universal Linear Power Supply

Pro-Ject Black Universal Linear Power Supply

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