CONGRATULATIONS!
Thank you for purchasing the Niles SI-245, one of the most flexible and conve-
nient amplifiers ever offered. Like all Niles products, the SI-245 is built to the
highest standards of quality control and reliability. With proper installation and
operation, you'll enjoy years of trouble-free use.
Niles manufactures the industry's most complete line of custom installation compo-
nents and accessories for audio/video systems. For a free full line catalog write:
Niles, Catalog Request, P.O. Box 160818, Miami, Florida 33116-0818
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TABLE OF CONTENTS
INTRODUCTION 2
FEATURES AND BENEFITS 3
INSTALLATION CONSIDERATIONS 5
FRONT AND REAR PANEL DETAILS 9
INSTALLATION 11
OPERATION 15
TROUBLESHOOTING GUIDE 16
SPECIFICATIONS 18
SPECIFICATIONS
18
SPECIFICATIONS
Design Principle
Linear voltage/current amplification.
Continuous Average Power Output
45 watts per channel RMS at 8 ohms.
70 watts per channel RMS at 4 ohms.
Input Impedance
22K ohms
Input Sensitivity
.77V for 8Ω rated output
Overall Voltage Gain
28 dB
Frequency Response
Bandwidth Limited from 10 Hz to 100 kHz
Total Harmonic Distortion
8 Ohms
.05% THD from 20 Hz to 20 kHz @ full rated power
4 Ohms
.06% THD from 20 Hz to 20 kHz @ full rated power
Overall Dimensions
17” wide 2-5/16” high (including feet) 13-1/8” deep
Weight
15 lbs
CAUTION: TO REDUCE
THE RISK OF ELECTRICAL
SHOCK, DO NOT REMOVE
COVER. NO USER-SERVICE-
ABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED
SERVICE PERSONNEL.
CAUTION
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated dangerous voltage within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equivalent triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
CAUTION: TO PREVENT ELECTRICAL SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT
ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LAME LA PLUS LARGE DE LA FICHE
DANS LA BOURNE CORRESONDANTE DE LA PRISE ET POUSSER JUSQU’AU FOND
WARNING: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR
MOISTURE
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