Technical details
2 headphone outputs
( 0/120 Ohm output impedance ).
Maximum output 13V / 500 mA.
Discrete volume control using relais and an EBE digital encoder rotary switch. 1dB step size, 30 steps.
Gain switch. Maximum gain factors -7 / +8 dB.
Crossfeed filter switch:
1. Stereo / crossfeed OFF
2. Crossfeed ON
2 pairs of analog inputs
Input impedance 14 kOhm
1 coaxial digital S/PDIF input
1 optical digital S/PDIF input
1 digital USB-input
1 pair of volume-controlled preamplifier outputs.
Gold-plated input jacks.
Silver plated headphone jacks (Neutrik).
Silver plated heavy duty switches
25 Watts toroidal transformer for the output stages.
10 Watts toroidal transformer for the analog amplification stages.
7 Watts toroidal transformer for the DAC section using separate windings for the digital circuitry and for the analog circuitry.
110V and 220V mains power switchable.
Power uptake 14 Watts
Built-in groundloop breaker.
Schottky rectifying diodes in the power supply.
Double regulated voltage lines.
Low impedance electrolytic buffer capacitors (Nichicon). Total Buffer capacity 83.000 uF.
Bypass capacitors in the power supply.
Polystyrol and polypropylen capacitors in the signal path.
Metalfilm resistors in the signal path.
NATIONAL SEMICONDUCTOR LM6171 opamps biased into class-A using NATIONAL SEMICONDUCTOR LM334 current sources.
2 BURR-BROWN BUF634 buffer amplifiers at left and right headphone output channel.
(Active) balanced headphone ground
3 BURR-BROWN BUF634 buffer amplifiers at the balanced ground headphone output channel.
BURR-BROWN PCM2704 USB-to-S/PDIF receiver
BURR-BROWN DIR9001 S/PDIF receiver (in high-jitter-reduction mode)
WOLFSON WM8741 D/A converter-chip.
Sampling frequencies / resolution
8..96 kHz / 16, 20, 24 bit (S/PDIF)
32, 44.1, 48 kHz / 16 bit (USB)
9 Different digital filter modes, user-selectable.
(including classic oversampling with sinc-function, low pre- and post-ringing, post ringing only, fast frequency roll-off, non-oversampling response, ....)
Star-grounding and ultra short signal paths.
Signal paths and signal path components at the bottom side of the PCB for maximal shielding.
Sturdy anodized aluminium enclosure
Weight: 4.8 kg.
Size: 30.2 x 29.5 x 8,8 cm. |