BEL DIGITAL AUDIO BCR-A8
2004 BEL Digital Audio Ltd.
4
Introduction
The BCR-A8 is a professional audio confidence monitor housed in a 1U rack.
The unit features four amplifiers, four speakers and an analogue line output. The BCR-
A8 will accept eight pairs of analogue audio inputs.
Front panel controls
Several controls and connectors are located on the front panel, Fig 1.1, from left to
right these are:
Balance/ Left level
In the stereo mode this control will adjust the balance between the left and right
speakers. In the two-channel mode this control will adjust the left speaker output level. The
mode can be selected by adjusting the links shown in Fig 1.3
Input selector
The audio input pair routed to the amplifiers and speakers can be selected using this
switch.
Input level indicators
Two LED bar graph PPI displays indicate the current input level. The input level that
shows 0dB on these bar graphs can be internally selected to be 0dB or –10dB. Fig 1.3
Anti-phase indicator
A single LED will illuminate to indicate sustained anti-phase on the selected inputs.
Right level
This control adjusts the right speaker output level.
Headphone jack
A 6mm headphone jack is provided on the front panel. Inserting a jack plug will mute
the speakers.
Power on indicator
