Bose 802 C II Manual del usuario - Página 15

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low frequency ouTPuT Mode

(bass sum)

This switch (Figure ) is very useful in systems

with only one bass loudspeaker or single-channel

bass. You can use it to combine the Channel and

Channel (or left and right) bass signals.

Figure 21

Even from 5 Hz to 40 Hz, some musical program

Low frequency OUTPUT MODE switch (for bass

material contains differences between the channels.

sum).

With the OUTPUT MODE set on SUM, the signal

sent to the bass amplifier is the "sum" of the signals

received by the controller.

Simply set the OUTPUT MODE switch to SUM.

Connect the left-hand LOW FREQ OUTPUT jack

(CH /SUM) to the bass amplifier.

low FreQ leVel output

Set this control between and o'clock (marked "0"

dB), to nominally balance a two-loudspeaker, one-

bass system with amplifiers of identical gain on the

speakers and bass. (See Figure .)

Figure 22

Since some amplifiers do not have input attenuator

LOW FREQ LEVEL output control.

controls, the LOW FREQ LEVEL control adjusts the

relative level between the bass and mid-high bands.

Rotate the control counterclockwise to 8 o'clock

to decrease the level of the signal at the LOW

FREQ OUTPUT jacks by -8 dB. Rotate the control

clockwise from 0 dB to 4 o'clock to increase the

signal at the LOW FREQ OUTPUT jacks by +3 dB.

Set this control once for initial setup and adjustment

of the system. Do not use it as a program-material-

dependent gain control.