product information
product information
06. 2013
Head Box DS
Technical data
D/A converter & headphone amplifier
Line-level input/output
1 pair RCA/phono sockets each
D/A-converter
Cirrus Logic CS4344, 24Bit/192kHz Delta Sigma
PCM (LPCM). No support for multi channel formats like
Dolby® AC-3 or DTSTM
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Audiophile grade headphone amp & 24bit D/A conversion
Supported audio format
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3 digital inputs: Asynchronous USB 2.0, S/PDIF, Toslink
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Sampling rates
USB 2.0 (B) input
44,1kHz, 48kHz, 88,2kHz, 96kHz, 176,4kHz 192kHz
Special USB-2.0 driver for 24/192 (24/96 with USB1.1)
Coaxial input
44,1kHz, 48kHz, 88,2kHz, 96kHz, 176,4kHz 192kHz
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Ultra low-noise semiconductors
Optical input
44,1kHz, 48kHz, 88,2kHz 96kHz
Power output
350mW/30 ohms, 60mW/300 ohms
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SMD technology for short signal paths
Headphone connection
> 30 ohms
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Analogue output (RCA) for use as D/A converter
Signal-to-noise
112dB (A weighted) at full output
Frequency response
20Hz - 20kHz/-0,5dB
THD
0,0014%
9dB
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Analogue input (RCA)
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Headphone socket (6,3mm jack plug)
Gain
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Outboard power supply included
Headphone jack
3-pole 1/4 ‘‘ (6,3mm Ø)
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Outboard power supply
18V/1.000mA DC suitable for your country's mains supply
Metal case shields the electronics from vibrational and
electromagnetic interference
Power consumption
500mA DC / < 1 watt standby
Dimensions W x H x D
103 x 72 x 144 (150) mm (D with sockets)
Faceplate silver or black
Weight
990g without power supply

Retail price
349,00 €
Superior D/A conversion & outstanding headphone sound for digital and analogue sources combined in one box!
Head-Box DS is based on the former SE model, which has a very good sound quality, but only one analogue input. So we kept a similar concept,
improved the power supply and added a high-quality digital section! It's USB input works up to 24/192 in asynchronous mode! Playback for any
headphone offers realistic sound-staging on all volume levels for 3 digital and 1 analogue sound source. Head Box DS also provides a high-quality
front display, that gives full information on current status. Luxury aluminium faceplate is available in silver or black finish.
Can be used as DAC? Yes, internal D/A conversion offers additional RCA line output that can be used with any hifi-system as cost-effective sound
upgrade for existing digital sound sources. As DAC Box DS, Head Box DS uses feedback loop for controlling computer and amount of data sent. This
allows implementation of a high quality, fixed frequency clock directly in the DAC section to keep jitter as low as possible.
Back view >
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< Black Version
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Digitale Inputs
(USB, S/PDIF,
Toslink)
RCA Stereo (I/O)
Power
PRO-JECT AUDIO SYSTEMS
a division of AUDIO TUNING GmbH
1050 Wien, Margaretenstraße 98,
Update: DZ / JK
Date 19.06.2013
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