Infinity PS212W free download

File name Infinity-PS212W wirelessactsub.pdf

Wireless Powered Subwoofer PS212W Service Manual Infinity Systems, Inc. 250 Crossways Park Dr. Released 2008 Discontinued XXXX Woodbury, New York 11797 Rev0 8/2008 PS212W subwoofer - CONTENTS BASIC SPECIFICATIONS ...1 DETAILED SPECIFICATIONS ...2 PACKAGING...4 CONTROLS/CONNECTIONS...5 OPERATION ...7 SUBWOOFER EXPLODED VIEW/PARTS LIST...8 TRANSMITTER EXPLODED VIEW/PARTS LIST...9 TEST SET-UP AND PROCEDURE...10 AMPLIFIER BLOCK DIAGRAM...12 SUBWOOFER AMP TROUBLESHOOTING... ...13 TRANSMITTER TROUBLESHOOTING... ...14 RECEIVER PCB TROUBLESHOOTING... ...15 P.C.B. DRAWINGS...16 ELECTRICAL PARTS LIST ...23 IC/TRANSISTOR PINOUTS...29 SCHEMATICS...43 Basic Specifications Infinity PS212W Frequency Response: 25Hz ­ 150Hz (­3dB) Amplifier RMS Power: 400 Watts Amplifier Peak Power *: 700 Watts Crossover Frequencies: 50Hz ­ 150Hz, continuously adjustable when activated Driver: 12" (305mm) MMD® RF Operating Frequency: 2.4GHz Operating Range: Up to 75' (23m), depending upon conditions Subwoofer Dimensions (H x W x D): 18" x 14-3/8" x 18-3/4" (457mm x 365mm x 476mm) Subwoofer Weight: 44.7 lb (20.3kg) Transmitter Dimensions: 1-1/8" x 4-7/8" x 3-7/8" (29mm x 124mm x 98mm) Transmitter Weight: 0.5 lb (0.2kg) Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. * The peak dynamic power is measured by recording the highest center-to-peak voltage measured across the output of a resistive load equal to minimum impedance of the transducer, using a 50Hz sine wave burst, 3 cycles on, 17 cycles off. 1 PS212W subwoofer PS212W LINE VOLTAGE US 120vac/60Hz EU 230vac/50-60Hz Parameter Amp Section Type (Class AB, D, other) Load Impedance (speaker) AVG System impedance Min System imepdance Rated Output Power (120VAC) AVG RMS Dynamic Power THD @ Rated Power THD @ 1 Watt DC Offset Damping factor Input Sensitivity Input Frequency L or R LFE input System Gain (L or R inputs) System Gain (LFE input) Signal to Noise SNR-A-Weighted SNR-unweighted Residual Noise Floor 250W Powered Sub Amp Yes/No Yes Yes Specification D 4 5.482 3.688 250 300 0.5 0.2 10 >50 Hi/Lo Line 108-132 207-253 Unit n/a Ohms Ohms Ohms Watts 320 % % mV-DC DF Nom. 120 230 QA Test Limits n/a n/a n/a n/a 250 Reference 1 0.3 30 20 Unit Vrms Vrms Conditions Notes Normal Operation Normal operation, MOMS required Notes Nominal AP Computed BW from 20 to 500Hz @ 26Hz Domestic version only 120 VAC-