Read JBL ARRAY 1500 Service Manual online
Project Array
™
1500 Array
Subwoofer
Service Manual
230 Volt
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797
Rev0 4/2006
- CONTENTS -
BASIC SPECIFICATIONS …………….……..…………..1
PACKING……..……......................................................2
DETAILED SPECIFICATIONS ……….……..…………..3
CONNECTIONS………………………...……..…...…..…5
OPERATION ……..………………….……...…….….…...6
BASIC TROUBLESHOOTING……………………………7
EXPLODED VIEW/PARTS LIST…….….….…………....8
TEST SET-UP AND PROCEDURE….………………….9
BLOCK DIAGRAM….…………………………………….10
ELECTRICAL PARTS LIST……………………………..11
P.C.B. DRAWINGS….……………...........................….16
IC/TRANSISTOR PINOUTS..……..….…….….….….….22
SCHEMATICS…………………….………………………23
PACKING……..……......................................................2
DETAILED SPECIFICATIONS ……….……..…………..3
CONNECTIONS………………………...……..…...…..…5
OPERATION ……..………………….……...…….….…...6
BASIC TROUBLESHOOTING……………………………7
EXPLODED VIEW/PARTS LIST…….….….…………....8
TEST SET-UP AND PROCEDURE….………………….9
BLOCK DIAGRAM….…………………………………….10
ELECTRICAL PARTS LIST……………………………..11
P.C.B. DRAWINGS….……………...........................….16
IC/TRANSISTOR PINOUTS..……..….…….….….….….22
SCHEMATICS…………………….………………………23
1500 ARRAY SPECIFICATIONS
General
Output
1000W
Low-Frequency Transducer
W1500H 15" Pulp-cone driver
Frequency Response (-3dB)
25Hz – 400Hz, variable
Crossover Frequencies
40Hz-140Hz HP
Port
4"
Flared
Dimensions (H x W x D)
23" x 19-1/2" x 19" (584mm x 495mm x 483mm)
21" (533mm) Deep with grille
Weight
125
lb
(57kg)
JBL continually strives to update and improve existing products, as well as create new ones. The
specifications and details in this and related JBL publications are therefore subject to change without
notice.
1
1500
Array
Subwoofer
Ref# Part
Number Description
Qty
1
361041-002 1500 Array Owner’s Manual
1
2 331994-001
JBL
Warranty
Card
1
3
361408-001 1500 Array Outer Carton
1
4
354374-001 Packing Foam (Top)
1
5
354374-001 Packing Foam (Bottom)
1
6 340805-006
(Plate)
Feet
4
2
1500
Array
Subwoofer
1500 Array 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
YES
207-264
230
Vrms
Normal operation, MOMS required
YES
90-110
100
Vrms
Normal operation, MOMS required
Parameter
Specification
Unit
QA Test
Limits
Conditions
Notes
Amp Section
Type (Class AB, D, other)
D
n/a
n/a
Bridge type amplifier, None of the speaker terminals
must be connected to system GND at any time.
Load Impedance (speaker)
8
Ohms
n/a
Nominal
Rated Output Power
650
Watts
593
1 input driven
Test frequency 100 Hz
THD @ Rated Power
0.5
%
1
22K filter
THD @ 1 Watt
0.1
%
0.2
22K filter
Dynamic Power
700
Watts
690
Power is the average measurement
of the first four consecutive peaks of
the burst signal
3/20 Cycles @ 50 Hz, burst test into 8 Ohms, input
driven with 800mV RMS
DC Offset
20
mV-DC
100
@ Speaker Outputs
Damping factor
>20
DF
15
Measured at amplifier board
Measured at the speaker cable. 500 Watts,
measured at speaker output terminals located at the
amp board.
Input Sensitivity
Input Frequency
Input Frequency
100
Hz
100
Nominal Freq.
Line level input
11.69
mVrms
±2dB
To 1 Watt
Single input driven, Ap Zo=600 Ohms, LFE mode,
Volume ctrl. at max.
Signal to Noise
SNR-A-Weighted
SNR-A-Weighted
100
dBA
95
Relative to rated power (650 Watts) A-Weighting filter
SNR-unweighted
95
dBr
90
Relative to rated power (650 Watts) 22K filter
SNR rel. 1W-unweighted
70
dBr
65
Relative to 1W Output
22K filter
Residual Noise Floor
0.5
mVrms
1
Volume @max, LFE Mode, using
RMS reading DMM/VOM (or A/P)
Residual Noise Floor
0.5 mVrms(max)
1
Volume @max, LFE Mode, w/ A/P
Swept Bandpass Measurement
(Line freq.+ harmonics)
Input Impedance
Line Input
10K
ohms
n/a
Nominal
Filters
LP 4th order variable
LP 4th order variable
40-140 Hz
± 10
Subsonic filter (HPF) 3rd Orde
Fixed Hz
± 10
LFE Mode
Fixed Hz
± 10
LP Mode switch at LFE
Features
Line Level output
Line Level output
YES
functional
RCA Line buffered line level output
Volume pot Taper (lin/log)
LOG
--
functional
A Taper
Variable crossover 40-140 Hz
YES
functional
4th Order LP Filter, 2nd order fix and 2nd order
variable.
LP Selector switch LFE-
Normal
YES
functional
Pass through from the speaker input section
Phase switch
YES
--
functional
Disables LP filter, intended for LFE
Auto- On-Off selector
YES
functional
Switch located at the back panel
Input Configuration
Single Line input
Single Line input
YES
--
functional
Single RCA jack (BLK Color)
Line output configuration
Single Line level output
YES
Functional
Gain=0dB respect to line level input,
Zo=600 Ohms
Single RCA jack (BLK Color)
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
Auto-Turn-On (yes/no)
YES
functional Auto - on selection switch in Auto
ATO Input test frequency
50
Hz
functional
"
ATO Level, Line Input
2.5
mV
functional
"
ATO Turn-on time
2 seconds
functional
Amp connected and AC on, then
input signal applied
Auto Mute/ Turn-OFF Time
15
minutes
17
(T) Time before muting, after input
signal is removed
Auto turn of time (T) must be 10 > T < 17 Minutes
Power on Delay time
ATO mode
ATO mode
4
sec.
5
After applying the minimum ATO voltage (2mVRMS)
ON mode
2
sec.
2
After turning the stand-by knob to ON position
3
1500
Array
Subwoofer