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  • Active Subwoofer w/ Room EQ
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RRP: $2,080.00
$1,679.00 (You save $401.00)
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 Product Description

The LSR6312SP powered subwoofer is based on a 12" woofer with JBL's patented Differential Drive and 250 Watts of power. THX pm3 Approved. METAlliance Certified.


  • Multi-format powered subwoofer for Dolby Prologic, AC-3, DTS and other surround formats.
  • RMC Room Mode Correction provides electronic control of response peaks due to room modes. RMC Calibration Kit included.
  • 250 W continuous output power amplifier.
  • Sophisticated LCR bass management system.
  • Direct LFE input with selectable 10 dB input sensitivity.
  • Summed output allows chaining of multiple LSR6312SP for multiple subwoofer systems.
  • Differential Drive technology with dynamic braking for extended low frequency response and lowpower compression.
  • High-density baffle for low resonance and stable inertial ground.
  • Linear Dynamics Aperture port design eliminates port turbulence and reduces port compression.
  • Reinforced enclosure and convenient mounting points for mounted installation.


Frequency Response (-6 dB)28 - 80 Hz
Low Frequency Extension<br>-3 dB<br>-10 dBUser controls set to default
34 Hz
26 Hz
Enclosure Resonance Frequency28 Hz
Low-To-High Crossover Frequency80 Hz (4th order electroacoustic Linkwitz-Riley)
Distortion, 96 dB SPL/ 1 m: Low Frequency (<80 Hz)2nd Harmonic 3rd Harmonic
Maximum Continuous SPL>112 dB SPL / 1 m (35 Hz - 80 Hz)
Maximum Peak SPL>115 dB SPL / 1 m (35 Hz - 80 Hz)
Calibrated Input Sensitivity: XLR or ", Selectable -10 dBV, +4 dBu, +8 dBu96 dB / 1 m
Power Nonlinearity (20 Hz 200 Hz)30 Watts: 100 Watts:
Power/Clip/Bypass IndicatorsGreen LED normal operation
Amber LED bypass mode
Red LED Limiter activated
Low Frequency TopologyClass A-B, all discrete
Sine Wave Power Rating260 watts (<0.5% THD into rated impedance)
THD + N, Power<0.05%
AC Input Voltage115 VAC, 60 Hz (230VAC, 50 Hz model LSR6312SP/230)
AC Input Voltage Operating Range15%
Low Frequency Model252F
Diameter300 MM (12 in)
Voice Coil50 mm (2 in) Differential Drive with dynamic braking coil
Magnet TypeNeodymium, with integral heat sink
Cone TypeCarbon fiber composite
Impedance2 ohms
Left, Center, Right and Direct InputsNeutrik Combi XLR-"
Left, Center and Right OutputsNeutrik XLR, balanced (pin 2 hot)
Low Frequency Summed OutputNeutrik XLR, balanced (pin 2 hot)
Remote Bypass Connector" tip-sleeve jack
Direct Input LFE +10 dBPush-on/push-off switch
LF Output Trim0 to -13 dB
LF Sensitivity (+4 dBu)-10 dBv, +4, +8, +12 dBu
Polarity ReverseIn/Out
LF Alignment0, -4 dB
RMC DefeatIn/Out
Remote RMC Defeat Connector" tip-sleeve jack
Subwoofer Bypass Connector" tip-sleeve jack
RMC Frequency Adjust24 Hz - 96 Hz (18 centers)
RMC Depth Adjust0 - 14 dB (cut only)
RMC Makeup Gain0 to +6 dB
RMC Q Adjust1/20th to 1/2 Octave (21 steps)
FinishSmooth dark graphite
Enclosure Construction19 mm ( in) MDF
Mounting4 threaded mounting points conforming to industry standard square pattern 127 x 70 mm (5 x 2.75 in) center to center. M6 metric threads.
Baffle MaterialInjection molded structural ABS
Enclosure Volume (net)50 liter (1.8 cu ft)
Net Weight22.7 kg (50 lb)
Dimensions (WxHxD)63.5 x 39.4 x 29.2 cm (25.0 x 15.5 x 11.5 in)

 Warranty Information

Default 1 Year

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