Peavey SMR 821 Master Bus Output & Link Connections, Audio Bus Outputs, Typical For Each Bus

SMR 821 User Manual

Master Bus Output & Link Connections

These connectors allow you to expand your SMR 821. The Bus Links connector has 5 pins for combining multiple SMR 821’s. Using a 4-conductor, shielded cable, you can easily connect between 2 or more units wiring pin-to-pin across multiple SMR 821 mixers. NOTE: Use only shielded cable! Refer to the illustrations below.

Master Mixer

Audio Bus Outputs, Typical For Each Bus
Audio Positive	In a linked system, the Master mixer’s
Audio Negative	outputs would be the primary system
Shield	outputs.
The EQ switch places the 4-band equalizer in or out of the
Left and Right signal paths. In the OUT position the equal-
izer is completely bypassed.

The Bus Link switch is used to place the mixer in the master or slave mode of operation. A stand-alone unit should

always be in the master mode.

Slave Mixer 1

Slave Mixer 2

Master Bus & Mute Link Connections

Left Audio Link (L)

Right Audio Link (R)

Link Shield (SHD)

Aux Audio Link (A)

Mute Bus Link (M)

To increase the number of inputs available, multiple mixers may be linked together. Linking mixers is a very simple process. Wire the Bus Links connections between each mixer. Select the mixer to be used as the master and place its Bus Link Switch in the MASTER position. All other mixers in the system should have their link switches in the SLAVE position. The EQ and master level controls of the unit chosen as MASTER should be used to control the system. NOTE: Slave mixer outputs are still active, and will output any channels assigned to them.

Figure 4. Master Output & Bus Link Connections

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