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17 BASS V-AMP LX1B/BASS V-AMP PRO LX1B PRO User Manual
8.5 AES/EBU and S/PDIF standards
In general, there are two dierent standards when the subject is digital signal
processing. AES/EBU is the professional, balanced connection with XLR jack
connectors. This interface is based on two identical protocols published in
November 1985 by the European Broadcast Union (EBU Tech. 3250-E) and in
December 1985 by the Audio Engineering Society (AES3-1985). Sony and Philips
oriented themselves around this standard and developed an additional interface
with unbalanced signal routing and several important dierences that primarily
have to do with allocating channel status bits. This standard, named after the
two com-panies (S/PDIF = Sony/Philips Digital Interface) uses either cinch jacks
or a digital connection with optical cables. It is relevant mostly because of the
attempt to introduce copy protection embedded in the IEC 958 norm. This norm
describes both the re-worked AES/EBU interface that has been modied to work
with the S/PDIF format and described as IEC 958 Typ I (Professional). The formal
description of the S/PDIF interface is IEC 958 Typ II (Consumer).
9. Specications
BASS V-AMP
Audio Inputs
Instrument Input ¼" TS connector, unbalanced
Input impedance 1 M
Max. input level +3 dBu
AUX IN ¼" TRS connector, balanced
Input impedance 50 k
Audio Outputs
Analog Line Outputs L/R ¼" TS connectors, unbalanced
Output impedance approx. 680
Max. output level +20 dBu
Headphones ¼" TRS connector, unbalanced
Max. output level +15 dBu/100 (+23 dBm)
MIDI
Type 5-pole DIN jacks IN, OUT/THRU
Digital Signal Processing
Converter 24-bit Delta-Sigma,
64/128-times oversampling
Dynamics A/D 100 dB @ preamp bypass
Dynamics D/A 92 dB
Sample rate 31.250 kHz
DSP 100 Mips
Delay time max. 1023 ms stereo/sampler delay:
15.36 s
Run time (Line In Line Out) approx. 5 ms
Display
Type 2-digit 7-segment-LED display
Power Supply
Mains Voltage
USA/Canada 120 V~, 60 Hz
U.K./Australia 240 V~, 50 Hz
Europe 230 V~, 50 Hz
China/Korea 220 V~, 50Hz
Japan 100 V~, 50 - 60 Hz
Power consumption 13 W
Mains connection external power supply