Panel Controls And Connections; Subwoofer-Level Control; High-Cut (Low-Pass) Filter Switch; External Trigger Input - Harman Kardon SUB-TS18 Service Manual

SUB-TS18
SUB-TS18 SUBWOOFER AMPLIFIER PANEL CONTROLS AND CONNECTIONS
¡ Subwoofer-Level Control

™ High-Cut (Low-Pass) Filter Switch

£ External Trigger Input
¢ Audio-Sense On/Off Switch
¡ Subwoofer-Level Control: Volume
may be adjusted using the Subwoofer-
Level Control. Turn the control clockwise
to increase the SUB-TS18's volume, or
counterclockwise to decrease it.
™ High-Cut (Low-Pass) Filter Switch:
Placing this switch in the ON position acti-
vates circuitry that cuts out all audio input
signals above 120Hz, allowing the SUB-TS18
to focus its power on reproducing the low-
frequency portion of the signal, avoiding
∞ Phase Switch
§ Line-Level Subwoofer (SUB) Input
¶ Line-Level Full-Range Inputs
• Speaker-Level Outputs
inefficiency and distortion. Engage this filter
when using the Speaker-Level Inputs ª,
or when using the Line-Level Full-Range
Inputs ¶, unless your receiver or processor
processes its line-level output using a low-
pass filter. The filter has no effect when the
SUB Input § is used.
£ External Trigger Input: Use the sup-
plied mini-plug cable to connect the trigger
output of another product to this jack. When
a trigger signal between 3 and 30 volts (AC
5
harman/kardon
ª Speaker-Level Inputs
‚ Master Power Switch
⁄ AC Power Cord
or DC) is detected, the SUB-TS18 amplifier
will turn on, even when the audio-sense
feature has been activated by placing the
Audio-Sense On/Off Switch ¢ in the
AUTO position. The amplifier will remain
on for about 10–15 minutes without a
trigger signal.
¢ Audio-Sense On/Off Switch: When
placed in the AUTO position, and when the
Master Power Switch ‚ is turned on, the
SUB-TS18 will automatically turn itself on or