Detailed Specifications - JBL Project Array 1500 Service Manual

1500 Array Subwoofer
1500 Array Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No
US 120VAC/60Hz
EU 230VAC/50-60Hz
Asia 100VAC/50Hz
Parameter Specification
Amp Section
Type (Class AB, D, other)
Load Impedance (speaker)
Rated Output Power
THD @ Rated Power
THD @ 1 Watt
Dynamic Power
DC Offset
Damping factor
Input Sensitivity
Input Frequency
Line level input
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR rel. 1W-unweighted
Residual Noise Floor
Residual Noise Floor
Input Impedance
Line Input
Filters
LP 4th order variable
Subsonic filter (HPF) 3rd Orde
LFE Mode
Features
Line Level output
Volume pot Taper (lin/log)
Variable crossover 40-140 Hz
LP Selector switch LFE-
Normal
Phase switch
Auto- On-Off selector
Input Configuration
Single Line input
Line output configuration
Single Line level output
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input test frequency
ATO Level, Line Input
ATO Turn-on time
Auto Mute/ Turn-OFF Time
Power on Delay time
ATO mode
ON mode
Hi/Lo Line Nom.
YES 108-132 120
YES 207-264 230
YES 90-110 100
QA Test
Unit Limits
D n/a n/a
8 Ohms n/a
650 Watts 593
0.5 % 1
0.1 % 0.2
700 Watts 690
20 mV-DC 100
>20 DF 15
100 Hz 100
11.69 mVrms ±2dB
100 dBA 95
95 dBr 90
65
70 dBr
0.5 mVrms 1
0.5 mVrms(max) 1
10K ohms n/a
40-140 Hz ± 10
Fixed Hz ± 10
Fixed Hz ± 10
YES functional
functional
LOG --
YES functional
YES functional
YES -- functional
YES functional
YES -- functional
YES Functional
functional Auto - on selection switch in Auto
YES
functional
50 Hz
2.5 mV functional
2 seconds functional
15 minutes 17
5
4 sec.
2 sec. 2
Unit
Vrms
Vrms
Vrms
Conditions
Nominal
1 input driven
22K filter
22K filter
Power is the average measurement
of the first four consecutive peaks of
the burst signal
@ Speaker Outputs
Measured at amplifier board
Nominal Freq.
To 1 Watt
Relative to rated power (650 Watts) A-Weighting filter
Relative to rated power (650 Watts) 22K filter
Relative to 1W Output
Volume @max, LFE Mode, using
RMS reading DMM/VOM (or A/P)
Volume @max, LFE Mode, w/ A/P
Swept Bandpass Measurement
(Line freq.+ harmonics)
Nominal
LP Mode switch at LFE
Gain=0dB respect to line level input,
Zo=600 Ohms
"
"
Amp connected and AC on, then
input signal applied
(T) Time before muting, after input
signal is removed
3
Notes
Normal Operation
Normal operation, MOMS required
Normal operation, MOMS required
Notes
Bridge type amplifier, None of the speaker terminals
must be connected to system GND at any time.
Test frequency 100 Hz
3/20 Cycles @ 50 Hz, burst test into 8 Ohms, input
driven with 800mV RMS
Measured at the speaker cable. 500 Watts,
measured at speaker output terminals located at the
amp board.
Single input driven, Ap Zo=600 Ohms, LFE mode,
Volume ctrl. at max.
22K filter
RCA Line buffered line level output
A Taper
4th Order LP Filter, 2nd order fix and 2nd order
variable.
Pass through from the speaker input section
Disables LP filter, intended for LFE
Switch located at the back panel
Single RCA jack (BLK Color)
Single RCA jack (BLK Color)
Auto turn of time (T) must be 10 > T < 17 Minutes
After applying the minimum ATO voltage (2mVRMS)
After turning the stand-by knob to ON position