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Extracted text from jbl tsssub 4000 service manual (Ocr-read)
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CONTENTS
BASIC SPECIFICATIONS . . . . . . . . . -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦.1
DETAILED SPECIFICATIONS . . . . . . . . . . . -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦.2
CONTROLS. -¦-¦-¦-¦-¦-¦-¦.. .. . -¦-¦-¦-¦-¦-¦-¦-¦-¦\
-¦-¦-¦-¦... . . . . . . .4
CONNECTIONS . . . . . . . . . . . -¦-¦-¦.-¦-¦-¦-¦-¦-¦-¦-¦-¦\
-¦-¦-¦..-¦. . . . 5
OPERATION-¦-¦. . . . . .. . . . . . . . .. .. . . . .. .. . . . . -¦.-¦-¦-¦ .\
. ... . . . . . . .6
EXPLODED VIEW S-MECHANICAL PARTS LIST-¦.-¦ . -¦ . .. . . .. . -¦ . -¦.7
TEST SET-UP & PROCEDURE-¦-¦-¦-¦-¦-¦-¦-¦-¦.. .. .. . . -¦-¦-¦-¦-¦..\
.9
BLOCK DIAGRAM. . . . -¦-¦-¦-¦-¦-¦... -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦ . -¦ . 10
TROUBLESHOOTING FLOW CHART-¦-¦-¦-¦-¦-¦-¦-¦.-¦-¦-¦-¦-¦-¦-¦-¦.11
SERVICE NOTE - POW ER TRANSFORMER-¦-¦-¦-¦-¦-¦-¦-¦.-¦-¦-¦-¦12
ELECTRICAL PARTS LIST -¦-¦-¦-¦-¦-¦-¦-¦ -¦-¦-¦-¦-¦-¦..-¦-¦-¦-¦-¦-¦13
PCB DRAW INGS. . . -¦-¦-¦-¦-¦-¦... -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦..17
IC -“ TRANSISTOR PINOUTS . -¦ . . .. . . . . . -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦.... . .\
. 20
SCHEMATIC DIAGRAMS (120v). . -¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦-¦ -¦-¦-¦..-¦. . .21
PACKAGING. -¦-¦-¦-¦-¦-¦-¦.. .. . -¦-¦-¦ -¦-¦-¦-¦\
-¦-¦-¦-¦-¦... . . . . . . 31
SPECIFICATIONS
Frequency Response 28Hz -“ 150Hz (-“3dB)
24Hz -“ 180Hz (-“6dB)
Maximum Amplifier Output 400 watts RMS (20Hz -“ 150Hz with no more than 0.1% THD)
Crossover Frequency 150Hz, 12dB/octave
Driver 12" (305mm) MMD®
Dimensions (H x W x D) 17-1/2" x 17-1/4" x 11-1/8" (445mm x 438mm x 283mm)
W eight 48 lb (21.8kg)
Infinity continually striv es to update and improv e 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.
TSS-SUB4000
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TSS-4000 subwoofer 300W Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes
US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation
EU 230vac/50-60Hz No 207-264 230 Vrms Normal operation, MOMS required
Asia 100vac/50Hz No 90-110 100 Vrms Normal Operation
Parameter Specification UnitQA Test
Limits Conditions Notes
Amp Section
Type (Class AB, D, other) D ---
Load Impedance (speaker) 4 Ohms Nominal Z-curve required
Rated Output Power 300 Watts Regulated 120 V line 5% tollerance applies
THD@ Rated Power 1 % 22k filter, 50Hz 300W +/- 5%
THD @ 1 Watt 0.5 % 22k filter, 50Hz
DC Offset undefined mV-DC < 20 @ Speaker Outputs
Damping factor 20 N/A > 15 measured at 50 Hz
Input Sensitivity Line/Hi Level Input Phase N/A Line Input 370 mV mVrms 300 W @ 50Hz 1 input driven
Speaker/Hi Level Input N/A
Signal to Noise
SNR-A-Weighted 100 dBA relative to rated power A-Weighting filter
SNR-unweighted 70 dBr relative to rated power 22k filter
SNR rel. 1W-unweighted 60 dBr relative to 1W Output 22k filter
Residual Noise Floor 2 mVrms Volume @max, using RMS
reading DMM/VOM (or A/P)
Residual Noise Floor 1
mVrms(max) Volume @max, w/ A/P Swept
Bandpass Measurement (Line
freq.+ harmonics)
Input Impedance Line Input 10 k ohms Nominal
Speaker/Hi Level Input N/A
Active Filters
Low Pass (fixed or
variable) FIXXED --
Frequency 130 Hz Slope 24 dB/OctaveQ Butterworth --
Subsonic filter (HPF) fixed --
Frequency 35 Hz Slope 12 dB/OctaveQ 1.2 --
Line Out Filter (HPF) NONE --
Frequency Hz Slope dB/OctaveQ --
Friend Circuit FIXXED --
Frequency 66 Hz Hz notch filter Slope 6 dB/OctaveQ 1.2 --
Video Boost NONE --
Boost dB
Range Hz
Special filter RABOS --
Switches
Main Power ON/OFF YES -- Type rocker -- Located on amp plate TV-5
Rabos ON/OFF YES -- Type mini togle -- Located on amp plate
Polarity Switch YES -- "Off": 0°; "On": 180° Type mini togle -- Located on amp plate
Limiter (yes/no) YES compressor and limiter
TSS-SUB4000
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