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5.4 Output Connections

In a full-range system that includes only 402

or 802

loudspeakers, use the controller’s HIGH FREQ OUTPUT

jacks to drive the ampliﬁer(s) feeding the loudspeakers.

Do not use the LOW FREQ OUTPUT jacks. The MODE

switch should be set to Mode 1 (FR).

In a bi-ampliﬁed system, use the controller’s HIGH

FREQ OUTPUT jacks to drive the ampliﬁer(s)

feeding the high frequency loudspeakers (402

or 802 loudspeakers). Connect the LOW FREQ

OUTPUT jacks to the ampliﬁer(s) driving the bass.

If the system has mono bass, use only the Channel

1 (left hand) LF output jack, and make sure that the

OUTPUT MODE switch is set to SUM.

For best audio performance, install all mixing or signal

processing equipment before the controller in the

audio chain. The 402C or 802C II systems controller

should be the last device in the audio chain before

the ampliﬁer(s).

Here is how to wire the HIGH FREQ OUTPUT and

LOW FREQ OUTPUT jacks on the controller. When

the OUTPUT MODE switch is set to SUM, use only

the CH1/SUM (left-hand) LOW FREQ OUTPUT jack.

NOTE: The pin numbers for each controller output

are shown in small type inside the jacks.

If the ampliﬁer has balanced inputs (see Figure 14):

1. Connect the controller’s PIN 2 (+) output

terminals to the ampliﬁer’s hot, tip, or high

terminals. (These are usually pin 2 on XLR-

equipped ampliﬁers).

2. Connect the controller’s PIN 3 (-) output

terminals to the ampliﬁer’s low, ring, or minus

terminals. (These are usually pin 3.)

3. Connect the controller’s PIN 1 GND output

terminals to the cable shield and to PIN 1 (XLR)

or ground at the ampliﬁer.

If the ampliﬁer has unbalanced inputs (Figure 15):

1. Connect the controller’s PIN 2 (+) output

terminals to the ampliﬁer’s hot, tip, or high

terminals.

2. Connect the controller’s PIN 3 (-) output

terminals to the ampliﬁer’s shield or ground

terminals. Use one of the two cable conductors.

3. Connect the controller’s PIN 1 GND output

terminals to its cable shield. Do not connect at

the ampliﬁer end.

Figure 15

Connections from the systems controller to an

ampliﬁer with unbalanced inputs.

Shield (no

connections)

– (GND)

Shield

–

Ampliﬁer

input

From

controller

–

Shield (no

connections)

–

Figure 14

Connections from the systems controller to an

ampliﬁer with balanced inputs.

Shield

– (GND)

Ampliﬁer

input

From

controller

Brand	Bose
Model	802 C II
Category	Controller
Language	English

Bose 802 C II User Manual

Table of Contents

Questions and Answers:

Bose 802 C II Specifications

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