Detailed Specifications - JBL Northridge E250P Service Manual

E250P
JBL E250P Powered Sub/ Plate Amp
LINE VOLTAGE
US 120vac/60Hz
EU 230vac/50-60Hz
Parameter
Amp Section
Type (Class AB, D, other)
Load Impedance (speaker)
Rated Output Power (120VAC
Rated Output Power (230VAC
AVG RMS Dynamic Power
THD @ Rated Power
THD @ 1 Watt
DC Offset
Damping factor
Input Sensitivity
Input Frequency
L&R
LFE input
Speaker/Hi Level Input
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR rel. 1W-unweighted
Residual Noise Floor
Residual Noise Floor
Input Impedance
Line Input (L, R,LFE)
Speaker/Hi Level Input
Filters
LP filter 4th order fixed
Subsonic filter (HPF) 3rd Orde
LFE Low pass 2nd order
HP speaker out connector
Note: 120V Models do not
have speaker output
Limiter
THD at Max. Output Power
Features
Volume pot Taper (lin/log)
Phase switch
LP Filter defeat switch
Input Configuration
Line In (L,R) & LFE
Spkr/Hi Level In
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input test frequency
ATO Level LFE Input
ATO Level Speaker in
ATO Turn-on time
Auto Mute/ Turn-OFF Time
Power on Delay time
Transients/Pops
ATO Transient
Yes/No Hi/Lo Line Nom.
Yes 108-132 120
Yes 207-264 230
QA Test
Specification Unit Limits
n/a
D n/a
5.6 Ohms n/a
150 Watts 140
150 Watts 130
250 Watts 225
0.3 % 1
0.1 % 0.5
10 mV-DC 30
>50 DF 35
50 Hz 50
±2dB
240 mVrms
240 mVrms ±2dB
2.4 Vrms ±2dB
70
90 dBA
85 dBr 70
65 dBr 60
2
1 mVrms
1.5 mVrms(max) 2
10K ohms n/a
> 4.7K ohms n/a
60-180 Hz ± 10
Fixed
200>LP<1K Hz
200 Hz ± 10
100 Hz ± 10
n/a n/a functional Maximum Output Power
--
LOG -- functional
0-180 deg functional
YES functional
functional
YES --
YES -- functional
YES functional
50 Hz functional
4 mV functional
50 mV functional
5 ms functional
15 minutes 15
4
3 sec.
5 mV-peak n/a
Unit
Vrms Normal Operation
Vrms Normal operation, MOMS required
Conditions
Nominal
Domestic version only 120 VAC-60 Hz
EU Version only
Average RMS power, 3/20 Cycles 50 Hz, Driven
6dB above its input sensitivity sensitivity
22k filter 145 Watts
22k filter
@ Speaker Outputs
Measured at the speaker cable. 150 Watts @
Measured at amplifier board THD < 0.1 % @ 50 Hz
Nominal Freq.
To 150 Watts Single input driven
To 150 Watts Single input driven, LFE switch ON
To 150 Watts Single input driven
relative to rated power A-Weighting filter
relative to rated power 22k filter
relative to 1W Output 22k filter
Volume @max, using RMS reading Line level inputs must be terminated using
DMM/VOM (or A/P) BW=20 Khz. 1KOHM
Volume @max, w/ A/P Swept
Bandpass Measurement (Line Line level inputs must be terminated using
freq.+ harmonics) (BW=20 Khz) 1KOHM
Nominal
Nominal
2nd order variable + 2nd order fix-24 db/Octave
LFE input driven only
Speaker input driven - Speaker out
loaded with 4 Ohms (Applies only to 230V Model)
Speaker input driven - Speaker out
loaded with 8 Ohms (Applies only to 230V Model)
Maximum THD as a result of limiting.
A Taper
Disables LP filter, intended for LFE
Dual RCA jack
Binding post connector L&R
"
" Maximum acceptable level.
" Maximum acceptable level.
Amp connected and AC on, then
input signal applied
T before muting, after signal is Auto turn of time (T) must be 5 > T < 15
removed Minutes
AC Power Applied
@ Speaker Outputs
3
Notes
Notes
230 VAC-50 Hz