Berkeley Audio Design Alpha DAC
PRODUCT HIGHLIGHTS
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Unequalled interpolation technology up-samples 44.1kHz CD’s to provide almost 176.4kHz quality and
Unequalled interpolation technology up-samples 44.1kHz CD’s to provide almost 176.4kHz quality and produces superb fidelity at all sampling rates from 32kHz to 192kHz
•IR remote control of all functions including volume and balance allows direct connection to power amplifiers
IR remote control of all functions including volume and balance allows direct connection to power amplifiers•Advanced input signal jitter rejection
Advanced input signal jitter rejection•BADA encrypted input allows future support of HDMI and other DRM formats
BADA encrypted input allows future support of HDMI and other DRM formatsCONTROLS & INDICATORS
•Input selects AES, SPDIF, Toslink or BADA inputs
Input selects AES, SPDIF, Toslink or BADA inputs•Lock LED indicates input signal lock
Lock LED indicates input signal lock •HDCD LED indicates HDCD code detected
HDCD LED indicates HDCD code detected•Phase sets absolute phase
Phase sets absolute phase •Invert LED indicates absolute phase inverted
Invert LED indicates absolute phase inverted •3 digit LED display of Stereo/L/R attenuation, Sampling Rate and Filter type
3 digit LED display of Stereo/L/R attenuation, Sampling Rate and Filter type•± controls set attenuation level and select Filter type
± controls set attenuation level and select Filter type •Mode selects Stereo/L/R attenuation, Sampling Rate and Filter type display modes
Mode selects Stereo/L/R attenuation, Sampling Rate and Filter type display modes •Dim selects multiple display brightness levels
Dim selects multiple display brightness levelsSPECIFICATIONS
•Input sampling rate: 32kHz to 192kHz
Input sampling rate: 32kHz to 192kHz•Input word length: 24-bit
Input word length: 24-bit•Two channel analog stereo outputs: XLR balanced and RCA unbalanced
Two channel analog stereo outputs: XLR balanced and RCA unbalanced•Digital Inputs: AES - Single XLR 110Ω, SPDIF - BNC 75Ω, Toslink – Optical, BADA encrypted - RJ-45
Digital Inputs: AES - Single XLR 110Ω, SPDIF - BNC 75Ω, Toslink – Optical, BADA encrypted - RJ-45 •HDCD decoding detects 16-bit flag at 44.1kHz or 24-bit flag at all sampling rates
HDCD decoding detects 16-bit flag at 44.1kHz or 24-bit flag at all sampling rates•Multiple digital filter options
Multiple digital filter options•Multiple units can be combined for multi-channel/surround reproduction
Multiple units can be combined for multi-channel/surround reproduction•Balanced analog output level: +18dBu maximum, +12dBu or lower recommended
Balanced analog output level: +18dBu maximum, +12dBu or lower recommended•Unbalanced analog output level: 3.25Vrms maximum, 2Vrms or lower recommended
Unbalanced analog output level: 3.25Vrms maximum, 2Vrms or lower recommended•Digital attenuation and balance control: 0.1dB/step with .05dB/step trim, 60dB range
Digital attenuation and balance control: 0.1dB/step with .05dB/step trim, 60dB range •Frequency response at ≥ 88.2kHz sampling rates: ± 0.1dB from < 0.1Hz to 35 kHz, - 3dB at 59kHz
Frequency response at ≥ 88.2kHz sampling rates: ± 0.1dB from < 0.1Hz to 35 kHz, - 3dB at 59kHz for 176.4kHz and 192kHz sampling rates
•Distortion at recommended levels: all products ≤ -120dBFS
Distortion at recommended levels: all products ≤ -120dBFS•THD+N at maximum level: < -110dBFS
THD+N at maximum level: < -110dBFS•Firmware field upgradeable through signal inputs
Firmware field upgradeable through signal inputs•Enclosure dimensions: 1.75”H X 16.5”W x 10.4”D, 19” rack mount option
Enclosure dimensions: 1.75”H X 16.5”W x 10.4”D, 19” rack mount option•Mains voltage: 100/120/240VAC, 50/60Hz
Mains voltage: 100/120/240VAC, 50/60Hz •Power consumption: 25W
Power consumption: 25W 
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