1. Manuals
  2. Brands
  3. Infinity Manuals
  4. Subwoofer
  5. Model Twelve
  6. Service manual

Infinity Model Twelve Service Manual

Cascade series
Hide thumbs Also See for Model Twelve:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
Cascade Series
Model Twelve Subwoofer
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev1 8/2006

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Model Twelve and is the answer not in the manual?

Questions and answers

Related Manuals for Infinity Model Twelve

Summary of Contents for Infinity Model Twelve

  • Page 1 Cascade Series Model Twelve Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 8/2006...

  • Page 2: Table Of Contents

    20" x 15" x 13-7/8" (508mm x 381mm x 352mm) Weight 42 lb (19kg) 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.

  • Page 3: Basic Specifications Detailed Specifications

    M o d e l T w e l v e Cascade Cascade Model Twelve subwoofer 300 W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes NA 120vac/60Hz 108-132 Vrms Normal Operation EU 230vac/50-60Hz 207-264 Vrms...
  • Page 4 M o d e l T w e l v e Cascade QA Test Parameter Specification Unit Limits Conditions Notes Signal Sensing (ATO) Auto-Turn-On (yes/no) ATO Input Test Frequency ATO Input Threshold typ. LPF "On", BOS "Off" ATO Low Pass cutoff ATO-LPF for noise immunity LPF "On", BOS "Off"...

  • Page 5: Packaging

    M o d e l T w e l v e Cascade...

  • Page 6: Controls And Connections

    Bass Optimization Controls (see page 5) Level ª Bass Optimization System Selector ‚ Center-Frequency Adjustment Crossover [Hz] ⁄ Bass Optimization System Level Adjustment ¤ Bass Optimization System Bandwidth Adjustment Green: On Red: Standby Model Twelve Line In Input Line Out Power Cascade Model Twelve...
  • Page 7 SUBWOOFER OR LFE OUTPUT outputs allow you to “daisy-chain” one Model Twelve to multiple Model Twelve subwoofers. Simply connect the first subwoofer as described above and then run a subwoofer cable from the line output(s) to the...

  • Page 8: Operation

    However, overall balance must be maintained or the music will not sound natural. An experienced listener will set the volume of the subwoofer so its impact on bass response is always there but never obtrusive. Cascade Model Twelve...

  • Page 9: Exploded View

    M o d e l T w e l v e Cascade...

  • Page 10: Test Set Up And Procedure

    Cascade Cascade Model Twelve TEST PROCEDURE The operation of the Cascade Model Twelve subwoofer, and the proper settings for the Room Adaptive Bass Optimization System, or R.A.B.O.S., is thoroughly covered in the Owner’s guide, part# 406-000-05338-E. For service purposes, the R.A.B.O.S. system is canceled when all three front panel controls (F) (L) (W) are turned fully CW (Clockwise), or if the R.A.B.O.S.

  • Page 11: Block Diagram

    M o d e l T w e l v e Cascade BLOCK DIAGRAM...

  • Page 12: Troubleshooting Flow Chart

    M o d e l T w e l v e Cascade MODEL12 Test Flow Chart Start Test protection Dc voltage check ±Vcc,±15V Check U ±15Vcc etc Check transformer 168, Test limiter circuit 124, Power on check Check U LED red &green Check vol module Check THD output &...

  • Page 13: Electrical Parts List (120V)

    M o d e l T w e l v e Cascade Cascade Model Twelve Electrical Parts List 120v Part Number Description Q'ty Reference Designator MAIN/POWER SUPPY PCB Resistors 110-16102j26-e CARBON RESISTOR 1K 1/6W ±5% CF 26mm (RoHS) R210,R239,R264 110-16103j26-e CARBON RESISTOR 10K 1/6W ±5% CF 26mm (RoHS)
  • Page 14 M o d e l T w e l v e Cascade Part Number Description Q'ty Reference Designator MAIN/POWER SUPPY PCB 199-15002005-e ZENER DIODE 20V 1/2W 52mm (RoHS) D129 109-1tsc103j0-e THERMISTOR TSC05103J(RoHS) R237 190-16lm324n-e U107 I.C. LM324N(RoHS) DUAL OP-AMP 192-991d669a-e TRANSISTOR HI-SINCERITY HSD669A(RoHS) NPN Q116 192-992b649t-e...
  • Page 15 M o d e l T w e l v e Cascade Part Number Description Q'ty Reference Designator PREAMP PCB 116-166491f26-e MTL FILM RESISTOR 6.49K 1/6W ±1% MF 26mm (RoHS) R114,R115 116-166812f26-e MTL FILM RESISTOR 68.1K 1/6W ±1% MF 26mm (RoHS) R135 116-168061f26-e R134...
  • Page 16 M o d e l T w e l v e Cascade Part Number Description Q'ty Reference Designator RABOS PCB 110-16106j26-e R186 CARBON RESISTOR 10M 1/6W ±5% CF 26mm TAP (RoHS) 116-161000f26-e METAL FILM RESISTOR 100Ω 1/6W ±1% MF 26mm TAP (RoHS) R154 116-161001f26-e METAL FILM RESISTOR 1K 1/6W ±1% MF26mm TAP (RoHS)
  • Page 17 M o d e l T w e l v e Cascade Part Number Description Q'ty Reference Designator CLASS D PCB ASS'Y (RECOMMENDED REPLACE ENTIRE MODULE PART# 051-A05022C-E) 118-12064700j-e SMD RESISTOR 470Ω 1206 5%(RoHS) R8,R11,R21 118-12064701j-e SMD RESISTOR 4.70K 1206 5%(RoHS) 118-12064751f-e SMD RESISTOR 4.75K 1206 1%(RoHS) Capacitors...
  • Page 18 M o d e l T w e l v e Cascade Part Number Description Q'ty Reference Designator MISCELLANEOUS/MECHANICAL 236-AL-05001-0LAE Aluminium bar band (RoHS) 302-AL-05066-0BAE Aluminium Panel 300*200*2.5mm ,White and Black 306-ABS-00177 Plastic rear cover , 198*298*102mm 311-ABS-00028-0BAE Plastic knob, 46077-W P.V.C. 323-AL-05000-0LAE Heatsink (RoHS) 325-FE-00400-0LAE...

  • Page 19: Pcb Drawings

    M o d e l T w e l v e Cascade...
  • Page 20 M o d e l T w e l v e Cascade...
  • Page 21 M o d e l T w e l v e Cascade...
  • Page 22 M o d e l T w e l v e Cascade...

  • Page 23: Semiconductor Pinouts

    M o d e l T w e l v e Cascade...

  • Page 24: Schematics (120V)

    M o d e l T w e l v e Cascade...
  • Page 25 M o d e l T w e l v e Cascade...
  • Page 26 M o d e l T w e l v e Cascade...
  • Page 27 M o d e l T w e l v e Cascade...
  • Page 28 M o d e l T w e l v e Cascade...
  • Page 29 M o d e l T w e l v e Cascade...
  • Page 30 M o d e l T w e l v e Cascade...
  • Page 31 M o d e l T w e l v e Cascade...
  • Page 32 M o d e l T w e l v e Cascade...
  • Page 33 M o d e l T w e l v e Cascade...

This manual is also suitable for:

Cascade twelve

Table of Contents