Pro-Ject (Project) Box Design Pre Box RS Digital Preamplifier

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From £999.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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The Pre Box RS Digital combines all the features of the DAC Box RS with selectable solid-state or tube output stages.

Key Features:

  • Switchable DAC chips: 2x PCM1792 or PCM5102 
  • 9 digital inputs: i²S, AES/EBU, Toslink, S/PDIF coax 
  • Analogue: Pre-out XLR/RCA/headphone, RCA input 
  • Headphone amp with adaptable output impedance 
  • Fully balanced double mono design 
  • Output stage switchable between 6922 tube & solid state 
  • Ultra-linear and ultra low noise 
  • Pure Class A circuitry 
  • Blue Alps volume control 
  • Standby-power consumption < 1W 
  • IR remote control included 
  • Available in black and silver

As in all of Pro-Ject’s top-class digital products, they use PCM1792 DAC chips from Texas Instruments, but a new feature in the Pre Box RS Digital is its dual chip mode to achieve ultimate fidelity. As a selectable feature a second DAC chip from Texas Instruments is on board, that can handle up to 32bit/384kHz.

Included on the Pre Box Digital RS is a headphone output with selectable impedances for perfect matching with your headphones.

The Pre Box Digital RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with flexibility to use a wide range of digital and 1 analogue sound sources.

Combined with the Pro-Ject CD Box RS the Pre Box RS Digital will give outstanding sound experience, because of a I²S connection provided via RJ45 that offers jitter-free disc playback.

Technical Specifications:

  • DAC 1: 2 x PCM 1792 24/192
  • DAC 2: PCM5102 32/384
  • Tubes: 6922 EH
  • Digital Outputs: 1x USB 2.0 Audio 32/384 + DoP-DSD 64/128 / 1x RJ45 Sonic I2S for CD Box RS in Sonic Mode / 2x S/PDIF 24/192 / 4x S/PDIF Optical 24/96 / 1x AES/EBU balanced 24/192 
  • Line Level Input: 1x RCA/Phono Sockets 
  • Frequency Response: 20Hz - 50kHz (0dB/0.1dB)
  • Signal To Noise: -100dB (IEC-A)
  • THD: Solid State: 0.005%
  • Tube: 0.25%
  • Analogue Outputs: Pre-out (XLR & RCA) / Headphone (6.35mm Jack)
  • Input Impedance: 33kohms (Ω)
  • Headphone Impedance: 5/20/50 Ohms Switchable 
  • Outboard PSU: 20V/3A DC
  • Power Consumption: Solid: 300mA
  • Tube: 850mA
  • Standby: 90mA 
  • Dimensions: 206 x 72 x 230mm (Incl. Sockets)
  • Weight: 1950g (Without PSU)

We endeavour to despatch same day for orders placed up to 2pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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