Benchmark Media Systems, Inc.
Page 10 of 39
SPECIFICATIONS:
DIGITAL INPUTS:
Number of Digital Inputs (switch selected): 3 (XLR, Coaxial, TOSLINK)
Number of Audio Channels: 2
Input Sample Frequency Range: 28 to 195 kHz
Maximum Input Word Length 24 bits
Digital Input Impedance on XLR input: 110 Ω
Digital Input Impedance on Coaxial input (Jumper Selected): 75 Ω or Hi-Z (Bridging)
Transformer Coupled Digital Inputs: Yes
DC Blocking Capacitors on Digital Inputs: Yes
Transient and Over-Voltage Protection on Digital Inputs: Yes
Minimum Digital Input Level: 300 mVpp on XLR, 150 mVpp on Coaxial
Jitter Tolerance (With no Measurable Change in Performance): >12.75 UI sine, 100 Hz to 10 kHz
> 3.5 UI sine at 20 kHz
> 1.2 UI sine at 40 kHz
> 0.4 UI sine at 80 kHz
> 0.29 UI sine at 90 kHz
> 0.25 UI sine above 160 kHz
Jitter Attenuation Method: Benchmark
UltraLock™
BALANCED ANALOG OUTPUTS:
Number of Balanced Analog Outputs: 2
Output Connector: Gold-Pin Neutrik™ male XLR
Output Impedance: 60 Ω
Output Level Calibration Controls: 10-turn trimmers (1 per output)
Calibration Adjustability: 2 dB / turn
Output Level Range (at 0 dBFS) In “Calibrated” Mode: +9 dBu to +29 dBu (Attenuator off)
-1 dBu to +19 dBu (Attenuator = 10 dB)
-11 dBu to +9 dBu (Attenuator = 20 dB)
-21 dBu to -1 dBu (Attenuator = 30 dB)
Output Level Range (at 0 dBFS) In “Variable” Mode: Off to +27 dBu (Attenuator off)
Off to +17 dBu (Attenuator = 10 dB)
Off to +7 dBu (Attenuator = 20 dB)
Off to -3 dBu (Attenuator = 30 dB)
Output Level Variation with Sample Rate (44.1 kHz vs. 96 kHz): < +/- 0.006 dB
UNBALANCED ANALOG OUTPUTS:
Number of Balanced Analog Outputs: 2
Output Connector: RCA
Output Impedance: 30 Ω
Output Level Calibration Controls: Shared with Balanced Outputs
Output Level Range (at 0 dBFS) In “Calibrated” Mode: -6 dBu to +13.5 dBu
Output Level Range (at 0 dBFS) In “Variable” Mode: Off to +11 dBu
Calibration Adjustability: 2 dB / turn
Output Level Variation with Sample Rate (44.1 kHz vs. 96 kHz): < +/- 0.006 dB
Factory Preset 2vRMS (8.2 dBu)
HPA2™ HEADPHONE OUTPUTS:
Number of Headphone Outputs: 2
Output Connector: ¼” TRS
Output Impedance: 0 Ω
Output Level Control: Stereo Control on Front Panel
Output Level Range (at 0 dBFS) into 60 Ω Load: Off to +21 dBu
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