Instruction Manual for DAC3 HGC and DAC3 L with 2.X Firmware Page 4
Features
HGC™ (Hybrid Gain Control) – combines motor-driven active analog potentiometers, 32-bit
digital attenuators, and passive analog attenuators, to achieve state-of-the-art performance
Low-Impedance Passive Output Pads – 0, 10, and 20 dB – optimize output level to power
amplifiers and other downstream devices to maximize system SNR (Page 28
)
SABRE PRO - 32-bit PCM D/A conversion system, four 32-bit D/A converters per channel
SABRE PRO – Native DSD D/A conversion system, four 1-bit DSD D/A converters per channel
Benchmark UltraLock3™ Jitter Attenuation System – eliminates jitter-induced distortion
High Headroom DSP - provides 3.5 dB of analog and digital headroom above 0 dBFS to
completely eliminate the clipping of intersample peaks
Multi-Mode Asynchronous USB Audio 2.0 – 24 bit/192 kHz, DSD (DoP 1.1)
Driverless Asynchronous USB Audio 1.1 – 24-bit/96 kHz
Sample Rate Display – displays the measured sample rate, and format (PCM or DSD)
Word Length Display – displays the measured word length
HPA2™ reference-grade "0-Ohm" headphone power amplifier with dual high-current
outputs (DAC3 HGC only)
HPA2™ gain jumpers for customizing headphone output gain for headphone sensitivities
(DAC3 HGC only) (Page 28
)
2 Headphone Output Jacks – one jack automatically mutes the main outputs (DAC3 HGC
only), mute feature can be disabled (Page 28
)
2 Coaxial Digital Inputs – 24-bit/192 kHz PCM, DSD (DoP 1.1)
2 Optical Digital Inputs – 24-bit/96 kHz PCM
1 Coaxial Digital Output – digital pass through from USB, Coax, and optical inputs when
function is enabled (Page 30
)
2 Stereo Analog Inputs – 2 pairs unbalanced (RCA)
3 Stereo Analog Outputs – 1 pair balanced (XLR), plus 2 pairs unbalanced (RCA)
IR Remote with metal housing provides control of all functions (optional on some models)
HT Bypass – places analog inputs in a unity-gain pass-through mode, sets digital inputs to a
calibrated output level - all inputs can be individually programmed (Page 17
)
Polarity Switch – inverts the polarity of selected digital inputs
Mute – accessible from remote or front panel
Dim – Reduces output level by 20 dB, accessible from remote or front panel
Automatic De-Emphasis – automatically responds to consumer pre-emphasis bit (44.1, 48
kHz)
12V Trigger I/O – bi-directional 12V trigger can act as input, output, or both (Page 15
)
AUTO-ON Function - can be programmed to turn on when AC is applied (Page 14)
Power Switch – very low standby power , <0.5 W at 120 VAC
High-Efficiency Low-Noise Power Supplies – only 12-15 W, 88-264 VAC, 50-60 Hz
Meets FCC Class B and CE emissions requirements
Tested for immunity to radiated and conducted RF interference
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