JBL LSR4312SP - Specifications; System Specifications; Amplifier and I;O Specifications

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Specifi cations
System
Frequency Response (- 6 dB): 27 Hz – 250 Hz
Enclosure Resonance Frequency: 27 Hz
Low Frequency Extension:
-3 dB: 29 Hz
-10 dB: 24 Hz
Bass Management Crossover ON: Digital Crossover - Selectable: 50 Hz, 80 Hz, 120 Hz - 4th order Linkwitz-Riley
Distortion, 96 dB SPL / 1M
Low Frequency
(<80 Hz)
2nd Harmonic: <1.5%
3rd Harmonic: <1.0%
Maximum Continuous SPL:: 116 dB SPL / 1m
Maximum Peak SPL: 125 dB SPL / 1m (40 Hz - 80 Hz)
Low Frequency Model: 432G
Diameter: 300 mm (12 in.)
Voice Coil:
65 mm (2.5 in)
Magnet Type:
Neodymium self-shielded
Cone Type: Polymer coated paper fi ber
Impedance: 2 ohms
Amplifi er
Topology:
Linear
Sine Wave Power Rating: 450 watts (<1% THD into rated impedance)
THD + N, ½ Power: <0.08%
AC Input Voltage: 120 VAC, 60 Hz Model LSR4312SP; 230VAC, 50 Hz Model LSR4312SP/230
AC Input Voltage Operating Range
+/- 10%
AC Input Connector: IEC
Self-Generated Noise Level: <10 dBA / 1 m tonal artifact-free noise fl oor using analog input
1/8th Power Rating: 25 watts
Full Power Rating (100 hrs. IEC
pink noise, 6dB crest Factor):
200 watts
Wattage Rating: AC at 1/8th power IEC Pink Noise 140 watts
Maximum Current:
AC at maximum power output (audio)
120V AC line 4.2A
230V AC line 2.1A
System Protection
Short-term peak limit circuit in DSP prevents amplifi er clipping
Long-term thermal protection circuit prevents system damage caused by overheating
Fuse Value:
8A, 250V AC Time Lag, Model LSR4312SP
4A, 250V AC Time Lag, Model LSR4312SP/230
Inputs /
Outputs
Analog
L,C,R, LS, RS, LFE Male XLR IN:
Selectable +4 dBu/-10 dBV input sensitivity; Input Impedance 10K ohms.
Positive voltage applied to XLR pin 2 produces outward woofer motion
L,C,R, LS, RS, LFE Female XLR OUT XLR Balanced loop-through pin 2 hot
Left, Right ¼-in tip-ring-sleeve IN:
Balanced or unbalanced, Selectable +4 dBu/-10 dBV; Input impedance 10K. Positive voltage
applied to ¼” tip produces outward woofer motion
AD Converters: 96kHz, 24 Bit, 64x Over sampling
Calibrated Input Sensitivity,
Analog XLR & ¼”:
+4 dBu: 94 dB SPL / 1 m
-10 dBV: 94 dB SPL / 1 m