Broadcast Tools 8X2 eight stereo input two stereo output routing switcher
The 8 x 2 D/ev are designed to accommodate 8 stereo inputs, 2 stereo outputs
and 2 monaural outputs. Output selectable silence sense monitoring is also provided.
The 8 x 2 D/ev may be controlled via front panel switches with indicators and/or
externally. This may be any momentary contact closure or TTL/CMOS logic. Open collectors
are provided for status. The 8 x 2 D/ev also has the ability to be controlled by a computer.
The 8 x 2 D/ev features three (3) operating modes:
1 - Overlap mode that allows you to overlap one audio source with another while the
button for the second source is held down. Both channels will be fed to the output until
the second button is released, at which time the first audio source will be switched off.
2 - Mix mode allows any or all channels to be connected (mixed) to either output
3 - Interlock mode provides that when a channel button on the switcher is pressed, the
first audio source will be immediately turned off and the second audio source will be
Another user selectable feature is the way the 8 x 2 D/ev will act when power is first applied (or
re-applied after a power failure). You have your choice of having all channels being OFF on
power-up or any or all of the eight input channels being assigned to either or both of the two
output channels at power-up.