E250P
JBL E250P Powered Sub/ Plate Amp
LINE VOLTAGEYes/NoHi/Lo LineNom.UnitNotes
US 120vac/60HzYes108-132120VrmsNormal Operation
EU 230vac/50-60HzYes207-264230VrmsNormal operation, MOMS required
QA Test
ParameterSpecificationUnitLimitsConditionsNotes
Amp Section
Type (Class AB, D, other)Dn/an/a
Load Impedance (speaker)5.6Ohmsn/aNominal
Rated Output Power (120VAC150Watts140Domestic version only 120 VAC-60 Hz
Rated Output Power (230VAC150Watts130EU Version only 230 VAC-50 Hz
Average RMS power, 3/20 Cycles 50 Hz, Driven
AVG RMS Dynamic Power250Watts2256dB above its input sensitivity sensitivity
THD @ Rated Power0.3%122k filter145 Watts
THD @ 1 Watt0.1%0.522k filter
DC Offset10mV-DC30@ Speaker Outputs
Measured at the speaker cable. 150 Watts @
Damping factor>50DF35Measured at amplifier board THD < 0.1 % @ 50 Hz
Input Sensitivity
Input Frequency50Hz50Nominal Freq.
L&R240mVrms2dBTo 150 WattsSingle input driven
LFE input240mVrms2dBTo 150 WattsSingle input driven, LFE switch ON
Speaker/Hi Level Input 2.4Vrms2dBTo 150 WattsSingle input driven
Signal to Noise
SNR-A-Weighted90dBA70relative to rated powerA-Weighting filter
SNR-unweighted85dBr70relative to rated power22k filter
SNR rel. 1W-unweighted65dBr60relative to 1W Output22k filter
Volume @max, using RMS reading Line level inputs must be terminated using
Residual Noise Floor1mVrms2DMM/VOM (or A/P) BW=20 Khz.1KOHM
Volume @max, w/ A/P Swept
Bandpass Measurement (Line Line level inputs must be terminated using
Residual Noise Floor1.5 mVrms(max)2freq.+ harmonics) (BW=20 Khz)1KOHM
Input Impedance
Line Input (L, R,LFE)10Kohmsn/aNominal
Speaker/Hi Level Input> 4.7Kohmsn/aNominal
Filters
LP filter 4th order fixed60-180 Hz 102nd order variable + 2nd order fix-24 db/Octave
Subsonic filter (HPF) 3rd OrdeFixed
LFE Low pass 2nd order200>LP<1K HzLFE input driven only
Speaker input driven - Speaker out
HP speaker out connector200 Hz 10loaded with 4 Ohms (Applies only to 230V Model)
Note: 120V Models do not Speaker input driven - Speaker out
have speaker output100 Hz 10loaded with 8 Ohms (Applies only to 230V Model)
Limiter
THD at Max. Output Powern/an/afunctional Maximum Output PowerMaximum THD as a result of limiting.
Features--
Volume pot Taper (lin/log)LOG--functional A Taper
Phase switch 0-180degfunctional
LP Filter defeat switchYESfunctional Disables LP filter, intended for LFE
Input Configuration
Line In (L,R) & LFEYES--functional Dual RCA jack
Spkr/Hi Level InYES--functional Binding post connector L&R
Signal Sensing (ATO)
Auto-Turn-On (yes/no)YESfunctional
ATO Input test frequency50Hzfunctional "
ATO Level LFE Input4mVfunctional "Maximum acceptable level.
ATO Level Speaker in50mVfunctional "Maximum acceptable level.
Amp connected and AC on, then
ATO Turn-on time5msfunctional input signal applied
T before muting, after signal is Auto turn of time (T) must be 5 > T < 15
Auto Mute/ Turn-OFF Time15minutes15removedMinutes
Power on Delay time3sec.4AC Power Applied
Transients/Pops
ATO Transient5 mV-peakn/a@ Speaker Outputs
3 |