Infinity CascadeTwelve free download

File name Infinity-CascadeTwelve actsub.pdf

Cascade Series Model Twelve Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 8/2006 Model Twelve Cascade - CONTENTS BASIC SPECIFICATIONS ...1 DETAILED SPECIFICATIONS...2 PACKAGING ...4 CONTROLS AND CONNECTIONS...5 OPERATION...7 EXPLODED VIEW...8 TEST SET UP AND PROCEDURE...9 BLOCK DIAGRAM...10 TROUBLESHOOTING FLOW CHART...11 ELECTRICAL PARTS LIST (120v) ...12 PCB DRAWINGS...18 SEMICONDUCTOR PINOUTS...22 SCHEMATICS (120v)...23 Basic Specifications Cascade Model Twelve Powered Subwoofer Frequency Response 32Hz ­ 150Hz (­3dB) 28Hz ­ 150Hz (­6dB) Maximum Amplifier Output Crossover Frequencies Drivers 300 watts RMS (20Hz ­ 150Hz, no more than 0.1% THD) 50Hz ­ 150Hz, continuously variable or LFE 10" (250mm) MMD®, Dual 10" (250mm) MMD passive radiators 20" x 15" x 13-7/8" (508mm x 381mm x 352mm) 42 lb (19kg) 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 Model Twelve Cascade Model Twelve subwoofer LINE VOLTAGE NA 120vac/60Hz EU 230vac/50-60Hz Yes/No Yes Yes Cascade 300 W Powered Sub/ Plate Amp 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 Specification D 4 300 1 0.5 undefined 20 Unit --Ohms Watts % % mV-DC N/A Conditions Notes < 20 > 15 Nominal Regulated 120 V line 22k filter, 50Hz 22k filter, 50Hz @ Speaker Outputs Z-curve required 300W measured at 50 Hz 260 mV mVrms 300 W @ 50Hz 1 input driven Signal to Noise SNR-A-Weighted SNR-unweighted SNR rel. 1W-unweighted Residual Noise Floor Residual Noise Floor Input Impedance Line Input 100 70 60 2 1 dBA dBr dBr mVrms mVrms(max) relative to rated power A-Weighting filter relative to rated power 22k filter relative to 1W Output 22k filter Volume @max, using RMS reading DMM/VOM (or A/P) Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics) 6.5 k ohms Nominal Active Filters L