JBL E250P 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
Parameter
Specification
Unit
QA Test
Limits
Conditions
Notes
Amp Section
Type (Class AB, D, other)
D
n/a
n/a
Load Impedance (speaker)
5.6
Ohms
n/a
Nominal
Rated Output Power (120VAC
150
Watts
140
Domestic version only 120 VAC-60 Hz
Rated Output Power (230VAC
150
Watts
130
EU Version only 230 VAC-50 Hz
AVG RMS Dynamic Power
250
Watts
225
Average RMS power, 3/20 Cycles 50 Hz, Driven
6dB above its input sensitivity sensitivity
THD @ Rated Power
0.3
%
1
22k filter
145 Watts
THD @ 1 Watt
0.1
%
0.5
22k filter
DC Offset
10
mV-DC
30
@ Speaker Outputs
Damping factor
>50
DF
35
Measured at amplifier board
Measured at the speaker cable. 150 Watts @
THD < 0.1 % @ 50 Hz
Input Sensitivity
Input Frequency
50
Hz
50
Nominal Freq.
L&R
240
mVrms
±2dB
To 150 Watts
Single input driven
LFE input
240
mVrms
±2dB
To 150 Watts
Single input driven, LFE switch ON
Speaker/Hi Level Input
2.4
Vrms
±2dB
To 150 Watts
Single input driven
Signal to Noise
SNR-A-Weighted
90
dBA
70
relative to rated power
A-Weighting filter
SNR-unweighted
85
dBr
70
relative to rated power
22k filter
SNR rel. 1W-unweighted
65
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.
Line level inputs must be terminated using
1KOHM
Residual Noise Floor
1.5 mVrms(max)
2
Volume @max, w/ A/P Swept
Bandpass Measurement (Line
freq.+ harmonics) (BW=20 Khz)
Line level inputs must be terminated using
1KOHM
Input Impedance
Line Input (L, R,LFE)
10K
ohms
n/a
Nominal
Speaker/Hi Level Input
> 4.7K
ohms
n/a
Nominal
Filters
LP filter 4th order fixed
60-180 Hz
± 10
2nd order va 2nd order fix-24 db/Octave
Subsonic filter (HPF) 3rd Orde
Fixed
LFE Low pass 2nd order
200>LP<1K Hz
LFE input driven only
HP speaker out connector
200 Hz
± 10
Speaker input driven - Speaker out
loaded with 4 Ohms
(Applies only to 230V Model)
Note: 120V Models do not
have speaker output
100 Hz
± 10
Speaker input driven - Speaker out
loaded with 8 Ohms
(Applies only to 230V Model)
Limiter
THD at Max. Output Power
n/a
n/a
functional Maximum Output Power
Maximum THD as a result of limiting.
Features
--
Volume pot Taper (lin/log)
LOG
--
functional
A Taper
Phase switch
0-180
deg
functional
LP Filter defeat switch
YES
functional
Disables LP filter, intended for LFE
Input Configuration
Line In (L,R) & LFE
YES
--
functional
Dual RCA jack
Spkr/Hi Level In
YES
--
functional
Binding post connector L&R
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
YES
functional
ATO Input test frequency
50
Hz
functional
"
ATO Level LFE Input
4
mV
functional
"
Maximum acceptable level.
ATO Level Speaker in
50
mV
functional
"
Maximum acceptable level.
ATO Turn-on time
5
ms
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
Auto turn of time (T) must be 5 > T < 15
Minutes
Power on Delay time
3
sec.
4
AC Power Applied
Transients/Pops
ATO Transient
5
mV-peak
n/a
@ Speaker Outputs
2
