Read JBL PS 1400 Service Manual online
PS1400 SUB Amplifier Detailed Specs
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
Parameter
Specification
Unit
QA Test
Limits
Conditions
Notes
Type (Class AB, D, other)
D
n/a
D
Bridge amplifier, None of the speaker outputs
must be connected to GND at any time.
must be connected to GND at any time.
Load Impedance (speaker)
6
Ohms
6
Rated Output Power (120VAC)
250
Watts
240
Nominal Input voltage , unit without limiter must
be able to provide output power levels in the
range of 350 Watts
be able to provide output power levels in the
range of 350 Watts
THD @ Rated Power
0.3
%
1
THD @ 1 Watt
0.1
%
0.3
DC Offset
100
mV-DC
100
Damping factor
>40
DF
23
200 Watts into 6 Ohms, measured at speaker
out
out
Input Sensitivity
Input Frequency
Input Frequency
60
Hz
LFE input
1.50
Vrms
±2dB
250 Watts into rated impedance load Normal Mode
SYSTEM INPUT
1.10
Vrms
±2dB
1 Watt output , LF level control FCW Normal Mode
SYSTEM INPUT
3.47
Vrms
±2dB
1 Watt output , LF level control FCCWNormal Mode
Signal to Noise
SNR-No Filter
SNR-No Filter
86
dBr
70
relative to rated power
No filter 500 KHz BW AP
SNR-A-Weighted
95
dBA
80
relative to rated power
A-Weighting filter
SNR-unweighted
95
dBr
80
relative to rated power
22k filter
SNR rel. 1W-unweighted
70
dBr
60
relative to 1W Output
22k filter
Residual Noise Floor
1
mVrms
2
Volume @max, using RMS reading
DMM/VOM (or A/P) BW=20 Khz.
DMM/VOM (or A/P) BW=20 Khz.
Residual Noise Floor
1.5 mVrms(max)
2
Volume @max, w/ A/P Swept
Bandpass Measurement (Line freq.+
harmonics) (BW=20 Khz)
Bandpass Measurement (Line freq.+
harmonics) (BW=20 Khz)
Input Impedance
Low Level input(LFE)
20K
Ohms
n/a
Nominal
Speaker/Hi Level Input
10K
Ohms
n/a
Nominal
Filters
Normal Mode LP 3rd Order
-3dB Point
Normal Mode LP 3rd Order
-3dB Point
Fixed-selectable
Hz
100 ± 2
Front panel switch to Normal mode
Reference level 0dB @ 60 Hz
Normal mode
Reference level 0dB @ 60 Hz
Normal mode
Separated mode LP 3rd
Order -3db Point
Order -3db Point
Fixed-selectable
Hz
280 ± 2
Front panel switch to Separated
Reference level 0dB @ 60 Hz, when
EQ switch in Normal mode
Reference level 0dB @ 60 Hz, when
EQ switch in Normal mode
Subsonic Filter -3dB point
Fixed
Hz
20.5 ± 2
Ref level 0dB ref at 60 Hz Normal
mode
mode
Limiter
THD at Max. Output Power
THD at Max. Output Power
n/a
n/a
functional Maximum Output Power
Maximum THD as a result of limiting. Must be
lower than 10%
lower than 10%
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
Auto-Turn-On (yes/no)
YES
functional
ATO Input test frequency
60
Hz
functional
"
ATO Level LFE Input
6
mV
functional
"
Maximum acceptable level.
ATO Level Speaker in
184
mV
functional
"
Maximum acceptable level.
ATO Turn-on time
1
sec.
functional Amp connected and AC on, then
input signal applied
Auto Mute/ Turn-OFF Time
15
Minutes
15
T before muting, after signal is
removed
removed
Auto turn of time (T) must be 5 > T < 15
Minutes
Minutes
Power on Delay time
3
sec.
4
AC Power Applied
Transients/Pops
ATO Transient
ATO Transient
5
mV-peak
n/a
@ Speaker Outputs
Turn-on Transient
50
mV-peak
2V-pp
@ Speaker Outputs
AC Line cycled from OFF to ON
Turn-off Transient
50
mV-peak
2V-pp
@ Speaker Outputs
AC Line cycled from ON to OFF
Efficiency
70
%
65
Nominal Line voltage 120 VAC
15
Watts
18
@ nom. line voltage
Power Cons. @ rated power
425
Watts
462
@ nom. line voltage
300 Watts @ 6 Ohms nominal line voltage
Protection
Short Circuit Protection
Short Circuit Protection
YES
functional Direct short at output
Amplifier should resume operation after short
circuit condition removal
circuit condition removal
Thermal Protection
YES
functional @1/8 max unclipped Power at 1.06
times the input voltage
DC Offset Protection
YES
-
DC present at Speaker Out leads
Line Fuse Rating
USA-Domestic
USA-Domestic
4
Amps
Type-T or Slo Blo-250 V
EU
2
Amps
Type-T or Slo Blo-250 V
External fuse with UL/SEMKO rated holder
3
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