DAC1 USB
Instruction Manual Revision D Page 5
Features
y USB, XLR balanced, BNC coaxial, and TOSLINK optical digital inputs
y Compatible with Windows Vista/XP/2000 and Mac OS X without driver installation
y Jumper-selected low-impedance 10, 20, or 30 dB pads on balanced outputs
y -10 dBV unbalanced RCA analog outputs, +13.5 dBu maximum output level
y Two HPA2™ high-current, “0-Ohm”, high-output ¼” headphone outputs
y HPA2™ gain jumpers to match gain to headphone sensitivity
y Front-panel volume control for headphone outputs
y Front-panel volume control of all analog outputs (in Variable mode)
y Rear-panel Variable/Calibrated mode switch enables volume control of analog outputs
y Rear-panel Variable/Calibrated mode switch includes a center mute position
y In Calibrated mode, levels are set by 10-turn trimmers (20 dB Range, 2 dB/turn)
y XLR outputs are preset to +4dBu at 0 dBFS in Calibrated mode (20-dB Pad enabled)
y RCA outputs are preset to +2 Vrms (8.2 dBu) at 0 dBFS in Calibrated mode
y Headphone jack 1 mutes XLR and RCA outputs (feature may be disabled)
y Benchmark’s phase-accurate UltraLock™ technology for total jitter immunity
y Status LED’s - display input selection and error conditions
y Automatic Standby Mode – activated after 15 seconds of loss of digital input signal
y Instant wake-up from Standby Mode - no loss of audio
y THD+N = -107 dB, 0.00045% @ -3 dBFS input, -105 dB, 0.00056% @ 0 dBFS input
y Automatic de-emphasis in response to consumer pre-emphasis bit (44.1, 48, 88.2, and 96 kHz)
y Reliable and consistent performance under adverse 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
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