LSR6312SP (discontinued)

Powered Studio Subwoofer System

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Powered Studio Subwoofer System

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.
  • 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 low
    power 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.


  Version Language Size Uploaded
file type icon LSR6312SP Spec Sheet
updated: Oct 2020
    279 KB Oct 2020
file type icon LSR6325P used with LSR6312SP Subwoofer Operating note
updated: Oct 2019
    11.1 KB Oct 2019
file type icon LSR6328P/6332/6312SP Mounting Specs
updated: Oct 2019
    48.8 KB Oct 2019
file type icon LSR 6300 Brochure
updated: Oct 2020
    5.89 MB Oct 2020
file type icon Recording & Broadcast Full Line Catalog
updated: Oct 2020
    1.81 MB Oct 2020
file type icon LSR6300 Series Declaration of Conformity
updated: Oct 2019
    93.2 KB Oct 2019
Tech Notes
file type icon Tech Note: The New JBL LSR6300 Series Studio Monitors
updated: Oct 2019
    627 KB Oct 2019
Information Documents
file type icon 7 Series Mounting Hardware
updated: Oct 2020
    395 KB Oct 2020
Helpful Links
file type icon RMC White Paper
updated: Oct 2020
    189 KB Oct 2020
file type icon RMC Graph Paper
updated: Oct 2020
    60 KB Oct 2020
User Guides
file type icon RMC User Guide
updated: Oct 2020
    2.58 MB Oct 2020
Install Guides
file type icon R&B Mounting Brackets
updated: Oct 2020
    26.2 KB Oct 2020
file type icon LSR6312SP Left Angle
updated: Oct 2020
    148 KB Oct 2020
Owner's Manuals
file type icon LSR6300 Manual
updated: Oct 2020
    815 KB Oct 2020

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Parts & Service


Frequency Response (-6 dB) 28 Hz - 80 Hz
-10 dB 26 Hz
Enclosure Resonance Frequency 28 Hz
Low-To-High Crossover Frequency 80 Hz (4th order electroacoustic Linkwitz-Riley)
Distortion, 96 dB SPL/ 1 m N/A
Low Frequency (<80 Hz) N/A
2nd Harmonic <2%
3rd Harmonic <1%
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 1/4"
Selectable -10 dBV +4 dBu, +8 dBu 96 dB / 1 m
Power Nonlinearity (20 Hz - 200 Hz): N/A
30 W <0.4 dB
100 W <1.0 dB
Power / Clip / Bypass Indicators Green LED - normal operationAmber LED - bypass modeRed LED - Limiter activated
Low Frequency Topology Class A-B, all discrete
Sine Wave Power Rating 260 W (<0.5% THD into rated impedance)
THD + N, 1⁄2Power <0.05%
AC INPUT VOLTAGE 115 VAC, 60 Hz (230VAC, 50 Hz – model LSR6312SP/230)
AC Input Voltage Operating Range ±15%


HARMAN Professional Solutions:

LSR6312SP (discontinued)

Powered Studio Subwoofer System