• 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.
Technical data

Pro-Ject Pre Box RS

Tube assenbly 2x ECC88 (6922 )
Frequency response 20Hz – 50kHz (+ 0/- 0,08 dB)
Signal to noise ratio -95dB (IEC -A)
THD 0,06%
Line-level inputs 3 pairs XLR & 3 pairs RCA/phono sockets
Input impedance 150kohms
Gain 18dB (XLR)
Outputs 1 Pre-Out (XLR), 1x Rec-Out (RCA)
Outboard power supply 18V/1A DC
suitable for your country’s mains supply
Power consumption typical 700mA / < 1 watt standby
Dimensions W x H x D 206 x 72 x 200mm (210 with sockets)
Weight 1950g without power supply.