Instruction manual

Benchmark Media Systems, Inc.

DAC1 - Manual - RevH-05-01-04 (2).doc Page 5 of 39 Ed. 1/4/2005 htt

FEATURE SUMMARY:

y XLR balanced, BNC coaxial, and TOSLINK optical digital inputs – front-panel switch selectable

y High level, +4 dBu balanced analog outputs, +29 dBu maximum output level

y Jumper-selected 10, 20, or 30 dB pads on balanced outputs

y -10 dBV unbalanced outputs, +13.5 dBu maximum output level, factory set to +2vRMS @ 0dBFS (8.2 dBu)

y Two HPA2™ high-current, high-output ¼” headphone jacks

y Front-panel knob controls all analog outputs or just the headphone outputs (selected with rear-panel switch)

y Analog output mute function on rear-panel switch

y Preset output levels use multi-turn trimmers – one 10-turn trimmer per output, 20 dB Range, 2 dB/turn

y Total jitter immunity with Benchmark, phase-accurate UltraLock™ technology

y Two Error LED’s, (no digital input, non-PCM digital input)

y Power Indicator LED

y THD+N = -107 dB, 0.00045% @ -3 dBFS input, -105 dB, 0.00056% @ 0 dBFS input

y Automatic de-emphasis in consumer mode at 44.1, 48, 88.2, or 96 kHz when pre-emphasis bit is set

y Reliable and consistent performance under all operating conditions

y 115 V, 230 V, 50-60 Hz international power supply with very wide operating range

y Low radiation toroidal power transformer significantly reduces hum and line related interference

y Low power consumption (8 Watts typical program, 16 Watts peak)

y Meets FCC Class B and CE emissions requirements