Niles Audio SI-250 Stereo Amplifier User Manual


 
13
NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992
2 Channel, BridgaBle Power amPlifiers
INSTALLATION
SETTING ThE TURN-ON mOdE SwITCh
The Niles System Integration Amplier
®
has three turn-on modes. Select which
mode you desire by sliding the mode switch. See Installation Considerations on
page 6 for more information about each of the turn-on modes. Audio sense is
the factory default setting.
CONTROL OUTpUT
This terminal provides a 12V DC signal
suitable for triggering Niles automated
switchers, some motorized screens, some
electric curtain controls, etc. The trigger
voltage is present only when the amplier is
active or “on”. When the amplier turns “off”,
the 12 Volt signal is off.
STEP DESCRIPTION
STEP DESCRIPTION
1. Check the requirements of the device you
want to control.
The control output has a maximum
current capability of 12V DC 150 mA.
2. Connect the 3.5 mm Jack to the control
output maintaining proper polarity
(tip = +).
Niles makes an accessory cable plug
FG00933.
100-120V / 220-240V~
50 / 60Hz 600W
Systems
Integration
Amplif ier
®
TURN ON MODE
AUDIO SENSE
CONSTANT
3-30V
AC/DC
TRIGGER
INPUT
12V
CONTROL
OUT
L R
L
R
BUS
OUTPUT
FOR
BRIDGED
MODE
L
R
LEVELS
MAIN BUS
INPUT
STEREO BRIDGED
CLASS 2 WIRING
LEFT RIGHT
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Niles Audio, Carlsbad, California, USA
Designed and Engineered in the U.S.A. Made in China
T5AL, 250V
Serial No.
CAUTION: replace only with same type and rating of fuse.
ATTENTION: remplacer uniquement avec le même type
et calibre du fusible.
Minimum impedance:
2.66 Ω (stereo mode)
4 Ω (bridged mode)
Slide the switch with
your ngernail or a 1/8”
slotted screwdriver blade
TIP: To conserve energy set the TURN ON mode to
either AUDIO SENSE or TRIGGER INPUT. Use of the
CONSTANT mode will prevent the amplifier from
turning off when not in use wasting energy.