E250P/P12SW subwoofers
JBL E250P/P12SW Powered Sub/ Plate Amp |
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LINE VOLTAGE | Yes/No | Hi/Lo Line | Nom. | Unit |
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US 120vac/60Hz | Yes | 120 | Vrms | Normal Operation |
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EU | Yes | 230 | Vrms | Normal operation, MOMS required | ||
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| QA Test |
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Parameter | Specification | Unit | Limits | Conditions |
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Amp Section |
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Type (Class AB, D, other) | D | n/a | n/a |
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Load Impedance (speaker) | 5.6 | Ohms | n/a | Nominal |
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Rated Output Power (120VAC | 150 | Watts | 140 |
| Domestic version only 120 | |
Rated Output Power (230VAC | 150 | Watts | 130 |
| EU Version only | 230 |
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| Average RMS power, 3/20 Cycles 50 Hz, Driven | |
AVG RMS Dynamic Power | 250 | Watts | 225 |
| 6dB above its input sensitivity sensitivity | |
THD @ Rated Power | 0.3 | % | 1 | 22k filter | 145 Watts |
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THD @ 1 Watt | 0.1 | % | 0.5 | 22k filter |
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DC Offset | 10 | 30 | @ Speaker Outputs |
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| Measured at the speaker cable. 150 Watts @ | |
Damping factor | >50 | DF | 35 | Measured at amplifier board | THD < 0.1 % @ 50 Hz | |
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Input Sensitivity |
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Input Frequency | 50 | Hz | 50 | Nominal Freq. |
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L&R | 240 | mVrms | ±2dB | To 150 Watts | Single input driven |
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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 |
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Signal to Noise |
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90 | dBA | 70 | relative to rated power |
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85 | dBr | 70 | relative to rated power | 22k filter |
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SNR rel. | 65 | dBr | 60 | relative to 1W Output | 22k filter |
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| Volume @max, using RMS reading | Line level inputs must be terminated using | |
Residual Noise Floor | 1 | mVrms | 2 | DMM/VOM (or A/P) BW=20 Khz. | 1KOHM |
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| Volume @max, w/ A/P Swept |
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| 2 | Bandpass Measurement (Line | Line level inputs must be terminated using | |
Residual Noise Floor | 1.5 | mVrms(max) | freq.+ harmonics) (BW=20 Khz) | 1KOHM |
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Input Impedance |
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Line Input (L, R,LFE) | 10K | ohms | n/a | Nominal |
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Speaker/Hi Level Input | > 4.7K | ohms | n/a | Nominal |
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Filters |
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LP filter 4th order fixed | Hz | ± 10 |
| 2nd order variable + 2nd order | ||
Subsonic filter (HPF) 3rd Orde | Fixed |
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LFE Low pass 2nd order | 200>LP<1K | Hz |
| LFE input driven only |
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| Speaker input driven - Speaker out |
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HP speaker out connector | 200 | Hz | ± 10 | loaded with 4 Ohms | (Applies only to 230V Model) | |
Note: 120V Models do not |
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| Speaker input driven - Speaker out |
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have speaker output | 100 | Hz | ± 10 | loaded with 8 Ohms | (Applies only to 230V Model) | |
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Limiter |
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THD at Max. Output Power | n/a | n/a | functional | Maximum Output Power | Maximum THD as a result of limiting. | |
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Features |
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Volume pot Taper (lin/log) | LOG | functional |
| A Taper |
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Phase switch | deg | functional |
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LP Filter defeat switch | YES |
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| Disables LP filter, intended for LFE | |
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Input Configuration |
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Line In (L,R) & LFE | YES | functional |
| Dual RCA jack |
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Spkr/Hi Level In | YES | functional |
| Binding post connector L&R | ||
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Signal Sensing (ATO) |
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YES |
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ATO Input test frequency | 50 | Hz | functional | " |
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ATO Level LFE Input | 4 | mV | functional | " | Maximum acceptable level. | |
ATO Level Speaker in | 50 | mV | functional | " | Maximum acceptable level. | |
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| Amp connected and AC on, then |
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ATO | 5 | ms | functional | input signal applied |
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| T before muting, after signal is | Auto turn of time (T) | must be 5 > T < 15 |
Auto Mute/ | 15 | minutes | 15 | removed | Minutes |
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Power on Delay time | 3 | sec. | 4 | AC Power Applied |
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Transients/Pops |
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ATO Transient | 5 | n/a | @ Speaker Outputs |
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