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Pro-Ject (Project) Box Design Head Box DS2 Ultra B Headphone Amplifier

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From £354.17 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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The Head Box DS2 B is a fully balanced headphone amplifier designed to get the very best performance from any high-end headphone, marking a real step-up in performance compared to previous models.

Please Note: The Silver edition comes with Walnut Side Panels whilst the Black edition comes with Side Panels made of Eucalyptus.

Key Features:

  • Dedicated headphone pre-amplifier
  • Delivers enough power to drive demanding headphones
  • Dual-mono design principle
  • Four gain settings to match any headphone
  • Three current settings to deliver optimal sonic performance
  • Balanced (XLR) and Un-Balanced (6.3mm jack) headphone connections
  • Both outputs can be used simultaneously
  • Phase-inverter built-in to convert un-balanced signals
  • Power stage built around two TPA6120A2 chips
  • Blue ALPS volume pot for smooth, accurate control

While the headphone market has improved notably in recent years, with many technical advances that have improved the sound ability of models across the price spectrum, headphone amplifiers have largely lagged behind, save for a few high-end designs. The Head Box DS2 B enters as an affordable high-end offering, promising to drive almost any set of headphones.

The high maximum output of the Head Box DS2 B (1100mW into 33Ω) means it will drive almost anything, even the more complicated planar magnetic designs. However, to ensure wide compatibility there are three different current settings and four different gain settings available on the front panel. There’s also the option to connect both balanced (4-Pin XLR) and un-balanced (6.3mm jack) headphone cables.

Internally the Head Box DS2 B is laid out in dual-mono configuration, complete with a phase inverter to convert any unbalanced signal to a balanced one immediately at the input stage. For accurate reproduction, the premium TPA6120A2 amplifier chip from Texas Instruments has been used. The result is a clear and accurate, yet inviting, soundstage with rich details and a silent noise floor.

Operation of the Head Box DS2 is simple, but the sound it delivers and the features it boasts are second-to-none.

Technical Specifications:

  • Power Output: 2x 550mW (33Ω) both-channels driven
  • Signal-to-Noise Ratio: 98dB (A-weighted) @ max. output
  • THD +N: < 0.02%
  • Unbalanced Gain: 0, 3, 9 or 12dB (without load)
  • Balanced Gain: 6, 9, 15 or 18dB (without load)
  • Frequency Response: 20Hz - 20kHz (±0.2dB)
  • Analogue Inputs: 1 x RCA Pair / 1 x XLR Pair
  • Headphone Outputs: 1 x 6.3mm Jack (single-ended) / 1 x 4-Pin XLR (balanced)
  • Analogue Loop Outputs: 1 x RCA Pair / 1 x XLR Pair
  • Headphone Impedance: 8 - 600Ω
  • Trigger: 12V DC
  • Trigger In/Output: 2-Pole 2.5mm Co-Axial Jack
  • Power Consumption: < 0.5W Standby
  • Outboard Power Supply 18V/1000mA DC
  • Dimensions: 240 x 72 x 218mm
  • Weight (Without PSU): 1.96kg

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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