Pro-Ject Pre Box RS  

High-end stereo line tube-preamplifier  


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open page Specifications       PDF Productinfo [pdf, 483 KB]       PDF User Manual [pdf, 197 KB]       PDF Review [pdf, 374 KB]

• Fully balanced double mono design  

• Ultra-linear and ultra low noise  

• Pure Class A circuitry  

• Input switching via relais  

• Low ESR capacitors  

• Blue Alps volume control  

• 3 XLR & 3 RCA inputs  

• 1 Pre–out XLR & 1 Record-out RCA  

• DC power supply (< 1 watt standby power)  

• IR remote control included  

• Metal casing protects against vibration and interference  

• Available in black and silver  


Ultimate high-end sound with 3 XLR & 3 RCA line inputs!  


Four specific characteristics make this a true high-end preamplifier: 1. Fully balanced double mono design 2.class-A circuitry with no negative feedback 3. Tube output stage 4. Separate power supply as an upgrade option for further improved sound quality.  

Pre Box RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with flexibility to use XLR and RCA sources. Perfectly combined with Pro-Ject Amp Box RS amplifiers, Pre Box RS will give pure sound experience, that the real audiophile is looking for. Pre Box RS utilises a luxury casing, that is available in silver or black finish.  


SRP: € 899,00  


Recommended accessories:  



Control it DS/RS


Sound optimization  

The addition of linear power supply Power Box RS Uni 1-way (SRP € 399,00) or Power Box RS Uni 4-way
(SRP € 599,00) adds even more depth and lets you hear all microscopic fine detail.  

Power Box RS Uni 1-way

Power Box RS Uni 4-way

CAUTION: Please check the power connection of your Pre Box RS on the rear side. In case of an 18V 2.5 connection, a Connect It Power MiniXLR 18V 2.5 adapter cable is necessary to power the unit with a Power Box!  


Remote Box S





Audio 01/2016: A very powerful, brave alternative to established designs.  


Last update 18.07.2018

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