Level controls – B&K ST260 User Manual
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If the control function is desired, each unit in the system must remain connected at all
times and the control must be enabled. To enable the control function, the CTRL
ENABLE button must be out for each controllable amplifier in the system. For more
information on the amplifiers output status under various control conditions, refer to the
table below.
@ CTRL IN
Button position
Output status
@ CTRL OUT
Signal
OUT
Sound
Signal
Signal
IN
Sound
Signal
No Signal
OUT
Mute
No Signal
No Signal
IN
Sound
Signal
*Note: The control voltage is for muting control only. Each amplifier must be connected
to its own source of AC power in order for it to operate.
Level controls
There are two level controls on the back of the amplifier. One level control for each
channel.
When using the level controls, first start with them turned all the way up (clockwise).
Then adjust them according to your system requirements to match the sound level
coming from each speaker. This is a rough adjustment for matching different driver
impedances. Any fine tuning should be done by the preamplifier.