Infinity PS28 free download

File name Infinity-PS28 actsub.pdf

PS Series PS28 Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 3/2007 PS series PS28 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...17 SEMICONDUCTOR PINOUTS...21 SCHEMATICS (120v)...22 Basic Specifications PS28 Powered Subwoofer Frequency Response: Maximum Amplifier Output: Crossover Frequency: Driver: Dimensions (H x W x D): Weight: 35Hz ­ 150Hz (±3dB) 150 Watts RMS (20Hz ­ 150Hz, with 0.1% THD) 300 Watts Peak 50Hz ­ 150Hz, 24dB/octave, continuously variable 8" (200mm) 17-7/8" x 10-5/8" x 16-1/2" (454mm x 270mm x 419mm) 31.7 lb (14.4kg) 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 PS28 subwoofer INFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp LINE VOLTAGE US 120VAC/60Hz Europe 220-240VAC, 50-60Hz Yes/No Yes Yes Hi/Lo Line 108-132 220-230 Unit Vrms Vrms Notes Normal Operation Normal Operation Parameter Amp Section Type (Class AB, D, other) Type (Class AB, D, other) Rated Load Impedance System average impedance Voice coil DCR Rated Output Power THD@ Rated Power THD @ 1 Watt DC Offset Damping factor Dynamic power RMS Highest RMS value Input Sensitivity Input Frequency Line Input (L&R) LFE Input System Gain (Line input) System gain (LFE input) Signal to Noise SNR-A-Weighted SNR-unweighted SNR @ 1W-unweighted Residual Noise Floor Input Impedance Line input L&R , LFE Filters Low Pass (fixed or variable) Subsonic filter (HPF) Limiter (yes/no) THD at Max. Output Power Features Line Level inputs (L&R) LFE Input Phase Switch (yes/no) Volume pot Taper (lin/log) Variable crossover ATO LED indicator Input Configuration Line In (L,R) Line level in LFE Signal Sensing (ATO) Auto-Turn-On (yes/no) ATO Level @ 50 Hz ATO Level @ 1 KHz ATO Turn-on time Auto Mute/ Turn-OFF Time Power on Delay time Transients/Pops ATO Transient Turn-on Transient Specification Unit QA Test Limits Conditions Notes AB G 4 8.79 4.35 100 0.5 0.1 10 >100 125 152 50 16.5 11.7 41 44 100 85 65 1 >10 Variable YES <1 YES YES YES LOG YES YES YES L ,R LFE YES 1 1 5 10 3 5 50 AB G Ohms O