INFINITY SM-185
Service Manual

SM-185

Technical Manual

SM-185
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
� � � � � Nominal Impedance Max Amp Power Frequency Response Sensitivity Crossover Frequency 8 ohms 125 watts 70Hz - 20kHz (±3dB) 98 dB (1 watt @ 1 meter) 3 kHz

AURAL SWEEP TEST SPECIFICATIONS:
� System Aural Sweep Test � L.F. Aural Sweep Test � H.F. Aural Sweep Test 6.0V Input 70 Hz to 20 kHz 6.0V Input 70 Hz to 4 kHz 2.83V Input 2 kHz to 20 kHz

PHYSICAL SPECIFICATIONS:
� Enclosure dimensions: � Weight 18 x 11³�� x 10¹��� (H x W x D) 457 x 286 x 267mm 50 lbs. (22.6kg) Sold in Pairs

SYSTEM COMPONENTS:
� Cabinet SM185 (Not for Sale) � Grille 333282-001 � Low Frequency Transducer 8� Polypropylene Coated Woofer (333647-001) DC Resistance 3.3 ohms ±10% � High Frequency Transducer 1� (25mm) High-Output Fastglass Fiberglass Dome (333287-001) DC Resistance 3.6 ohms ±10% � Crossover Network 333281-001

WARRANTY:
� Refer to Warranty Statement packed with each product.

PACKAGING
Owner's Manual 333292-001 Survey Card 330033-001 Warranty Card 333715-001

WIRING DIAGRAM
Driver High Frequency 333287-001
� +

Network 333281-001 BLUE

BLUE/BLACK
Top/Bottom Foam 73214

OWNER'S MANUAL

Driver Low Frequency 333647-001
� +

Microfoam (2pcs.)

RED RED/BLACK

SM-185 SCHEMATIC
Outer Carton 333283-001
CB1 0.85 A 30 sec. +IN INPUT L1 .2 mH 15" BLUE/BLACK R1 1 ohm C1 6.8 mfd 100V

15" BLUE

205 +

H.F.
110

�IN L2 .6 mh C2 15 mfd 100V

10" RED

250 +

L.F.
10" RED/BLACK

205

Infinity Systems, Inc. 250 Crossways Park Dr., Woodbury, New York 11797

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