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AMP2-VSDA/AV and AMP2-VSDA/AM User Manual P/N 821576 Rev-B
AES to Analog Converter Module PCB (919050)
Description
The 919050 Digi-2 (Dual Input AES to Analog Converter) module allows selected Wohler Technologies products to receive
input signals in the AES or SPDIF digital audio data formats. Sampling rate and format selection are sensed and set automatically.
Two front panel mounted bi-color (RED/GREEN) LEDs provide visual indication of input signal status. The LEDs light GREEN
when receiving a valid, error-free data stream, but turn RED when errors are detected. See Item 5, page 8 for more information
about error detection and indication.
There are two AES inputs, which are configured with unbalanced 75 Ω BNC connectors and balanced 110 Ω XLR connectors. This
module also features a four-channel balanced analog line-level output, which can be configured with unbalanced 75 Ω BNC
connectors or balanced 110 Ω Phoenix or XLR connectors.
Input formats:
Digital-to-Analog Conversion:
Sampling rate:
Termination:
Analog out (of digital source),
S/N:
THD (full output):
Max output of analog out:
Nominal output level for "Full
Code" digital source:
D to A gain calibration,
(dB = dBFS):
Standard input connectors:
Optional input connectors:
Standard output connectors:
Optional output connectors:
Error Indication:
20
919050 Specifications
AES/EBU or SPDIF
24-bit low jitter
31 kHz to 48 kHz
Removable (DIP switch selectable)
Greater than 96 dB
Less than 0.008%
+24 dBv (0 dBv = 0.775 vRMS)
+24 dBv
+8 = -20, +4 = -20, +6 = -9, 0 = -18 (DIP switch selectable)
BNC: 75 Ω, unbalanced
Phoenix or XLR: 110 Ω, balanced
BNC: 75 Ω, unbalanced
Phoenix or XLR: 110 Ω, balanced
Two Bi-Color LEDs (on front panel):
Green = OK
Red = Error, no lock to signal, or no signal.
© 2004 Wohler Technologies Inc. ALL rights reserved
Section 3: Technical Information
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