Infinity PS212 free download

File name Infinity-PS212 actsub.pdf

PS Series PS212 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 8/2007 PS series PS212 subwoofer - CONTENTS - BASIC SPECIFICATIONS ...1 DETAILED SPECIFICATIONS...2 PACKAGING...4 CONTROLS AND CONNECTIONS...5 OPERATION...7 EXPLODED VIEW/PARTS LIST ...8 TEST SET UP AND PROCEDURE...9 BLOCK DIAGRAM...10 TROUBLESHOOTING FLOW CHART...12 ELECTRICAL PARTS LIST (120v) ...13 PCB DRAWINGS...18 SEMICONDUCTOR PINOUTS...22 SCHEMATICS (120v)...23 Basic Specifications PS212 Powered Subwoofer Frequency Response: Maximum Amplifier Output: 25Hz ­ 150Hz (±3dB) 400 Watts RMS; 700 Watts Peak (20Hz ­ 150Hz with no more than 0.1% THD) 50Hz ­ 150Hz, 24dB/octave, continuously variable 12" (250mm) MMD® 18" x 14-3/8" x 18-3/4" (with grille) (457mm x 365mm x 476mm) 44.7 lb (20.3kg) Crossover Frequencies: Driver: Dimensions (H x W x D): Weight: 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. 1 PS series PS212 subwoofer PS 212 subwoofer 400 W Powered Sub/ Plate Amp LINE VOLTAGE NA 120vac/60Hz EU 230vac/50-60Hz Yes/No Yes Yes Hi/Lo Line 108-132 207-264 Nom. 120 230 QA Test Limits Unit Vrms Vrms Notes Normal Operation Normal operation, MOMS required Parameter Amp Section Type (Class AB, D, other) Load Impedance (speaker) Rated Output Power THD@ Rated Power THD @ 1 Watt DC Offset Damping factor Input Sensitivity Line Input Signal to Noise SNR-A-Weighted SNR-unweighted SNR rel. 1W-unweighted Residual Noise Floor Residual Noise Floor Input Impedance Line Input Active Filters Low Pass (fixed or variable) Frequency Slope Q High Pass (HPF) Frequency Slope Q Friend Circuit Frequency Slope Q Video Boost Boost Range Switches Main Power ON/OFF Type LFE/ Low Pass filter mode Type Polarity Switch Type Limiter (yes/no) THD at Max. Output Power Output Level Control Volume Control Pot Taper (lin/log) @ minimum setting Input/Output Configuration Line In (L,C,R,AC3,Mono) LFE In Signal Sensing (ATO) Auto-Turn-On (yes/no) ATO Input Test Frequency ATO Input Threshold ATO Low Pass cutoff Specification Unit Conditions Notes D 4 300 1 0.5 undefined 20 --Ohms Watts % % mV-DC N/A < 20 > 15 Nominal Regulated 120 V line 22k filter, 50Hz 22k filter, 50Hz @ Speaker Outputs Z-curve required 300W measured at 50 Hz 130 mV mVrms 300 W @ 50Hz 1 input d