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JBL 12" Linear Spatial Reference Powered Subwoofer with RMC, 27Hz-150Hz Frequency Response, 230V AC (Europe Only)

SKU: JBLL4312SP2 MFR: LSR4312SP/230
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About the JBL LSR4312SP/230

The JBL LSR4312SP/230 Linear Spatial Reference Powered Subwoofer features RMC (Room Mode Correction), JBL's exclusive technology that automatically analyzes and corrects the response of each speaker in the room for absolute accuracy at the mix position. The first Studio Monitors with powerful network intelligence built into each speaker specifically designed to deliver an accurate mix in any room, the LSR4312SP/230 is the ultimate monitor for modern production studios.

The LSR4312SP/230 Powered Subwoofer provides powerful bass performance extending frequency response of the system into the 20 Hz region. When networked with LSR4300 Studio Monitors, the LSR4312SP/230 Sub provides revolutionary capabilities including JBL RMC (Room Mode Correction) technology to ensure accurate mixes in any room.

JBL LSR4312SP/230 Includes

  • JBL 12" Linear Spatial Reference Powered Subwoofer with RMC
  • CAT5 Network Cable
  • AC Power Cord
  • Owner's Manual
  • JBL 5 Years Limited Warranty

JBL LSR4312SP/230 Features

  • 450 Watts Amplification; 12" Low Frequency Transducer with magnetically-shielded Neodymium motor structure
  • RMC Room Mode Correction system analyzes and automatically compensates for room modes that can give a misleading impression of low Frequency content at the mix position
  • Six Balanced XLR inputs with selectable +4dBU / -10 dBV Sensitivity
  • AES/EBU and S/PDIF Digital plus Analog LFE inputs
  • Comprehensive Bass Management System for professional Surround Sound production
  • Harman HiQnet network protocol allows all settings to be controlled from the LSR4312SP/230 wireless remote control or LSR4312SP/230 Control Center Software

JBL LSR4312SP/230 Specifications

Frequency Response 27 Hz- 150 Hz (-6 dB)
Encl. Resonance Frequency 27 Hz
Low Frequency Extension 20 Hz (13 dB); 24 Hz (-10 dB)
Bass Management Crossover ON Digital Crossover - Selectable: 50 Hz, 80 Hz, 120 Hz - 4th order Linkwitz-Riley
Distortion, 96dB SL/1M Low Frequency 2nd Harmonic: <1.5%
3rd Harmonic: <1.0%
Maximum Continuous SPL 116 dB SOL / 1m
Maximum Peak SPL 125 dB SOL / 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 fiber
Impedance 2 ohms
Amplifier Linear
Sine Wave Power Rating 480 watts (<1% THD into rated impedance)
THD + N, 1/2 Power <0.08%
AC Input Voltage 230 VAC, 50 Hz
AC Input Voltage Operating Range ±10%
AC Input Connector IEC
Self-Generated Noise Level <10 dBA / 1 m tonal artifact-free noise floor using analog input
1/8th Power Rating 25 watts
Pink Noise, 6 dB Crest Factor" 200 watts
Wattage Rating AC at max. power output (audio); 230V AC line 2.1A
System Protection Short-term peak limit circuit in DSP prevents amplifier clipping; Long-term thermal protection circuit prevents system damage caused by overheating
Fuse Value 4A, 250V AC Time Lag
+4 dBu / -10 dBV 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 1/4-in ring-sleeve IN Balanced or unbalanced, Selectable +4 dBu/-10 dBv; Input impedance 10K. Positive voltage applied to 1/4" tip produces outward woofer motion
AD Converters 96kHz, 24 Bit, 64x Over sampling
Analog XLR & 1/4" +4 dBu: 94 dB SOL / 1m
+4 dBu: 94 dB SOL / 1m
Male XLR IN AES/EBU (IEC60958)
Female XLR OUT AES/EBU (IEC60958)
Female RCA IN S/PDIF (EIAJ CP1201)
Digital Input Sample Rates 96 kHz, 88.2 kHz, 48 kHz,44.1 kHz, 32 kHz.
Tolerance: ±3%
Digital Input Word Length 24 Bit
Network Connection RJ45 IN, RJ45 OUT
Network Protocol Proprietary Harman HiQnet Protocol using RS485
Enclosure Construction 25 mm (1 in) MDF; 60 mm (2 in) MDF woofer baffle
Computer Interface for Firmware Update USB Type 1
Dimensions (H x W x D) 406 x 502 x 489 mm (16 x 19.75 x 19.25 in)
Weight 20.5 kg. (66 lbs)
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