Automatically analyzes and corrects the sound for accurate mixing.

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The JBL LSR4326P Studio Monitors are designed for critical stereo and multichannel audio production applications that require exceptional spectral accuracy and high SPL capability. Exclusive technology from JBL automatically analyzes and corrects the response of each speaker in the room for absolute accuracy in mixing.Acknowledging that much of today's production is carried out in acoustically untreated rooms, the LSR4300 Series are the first professional monitor speakers to combine JBL's Linear Spatial Reference technology and automated RMCTM Room Mode Correction, an onboard system that automatically compensates for low frequency anomalies measured at the mix position. Network and Digital Features The JBL LSR4300 series speakers enhance computer-based audio production by incorporating systemwide volume control, input source selection, individual speaker solo and user EQ. They use the Harman HiQnetTM network protocol that allows centralized control of a multichannel system from any speaker's front panel, wireless remote control, or computer via a standard USB connection and LSR4300 Control Center Software. The network is configured using supplied CAT5 cable and by setting a DIP switch on each speaker. Harman HiQnet also enables synchronized RMC calibration of all speakers on the network.438H Low Frequency Transducer The 6.25" woofer in these JBL speakers uses a powerful, shielded neodymium magnet which can be used in close proximity to CRT-type monitors with no interference. The transducer uses a copper-clad polepiece that improves high frequency output by reducing voice coil inductance. A copper ribbon voice coil ensures high sensitivity, and a flux shorting ring stabilizes the magnetic field in the gap, reducing distortion. Heat sinking has been placed close to the magnetic gap in order to draw out heat as efficiently as possible. The cone is polymer coated for uniformity of response over the woofer's passband. 431G High Frequency Transducer The JBL studio monitor's high frequency transducer has a treated silk diaphragm that produces uniform and smooth sound. Its flat ribbon aluminum voice coil ensures low-moving mass and enables the transducer to achieve response out to 22kHz. A lightweight neodymium magnet structure with integral heat sinking, along with ferrofluid in the magnetic gap, enable the transducer to produce high peak output levels with minimal power compression. The magnet structure is integrally shielded, enabling the system to be used in proximity to CRT-type monitors with no interference. Bi-amplified Power System The JBL LSR4326P monitors incorporate 2 high power amplifiers that provide 150 watts of power to the low frequency transducer and 70 watts of power to the high frequency transducer. A precision digital dividing network having high-order Linkwitz-Riley slope characteristics for smooth transition between transducers, results in exceptional imaging and lack of time smear. The circuitry also yields a tonal-artifact-free noise floor.

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JBL LSR 4326P Powered Studio Monitor Pair Features:

Advanced LSR Linear SpatialReference Design provides neutral off-axis response for greater clarity at the mix positionAutomated RMCTM Room ModeCorrection system with calibration microphone measures and automatically compensates for low frequency standing waves and boundary conditionsHarman HiQnetTM Network Protocol enables system-wide control of level, EQ, input selection, solo and moreWireless remote control and LSR4300Control Center Software enable control from the listening positionAES/EBU, S/PDIF digital inputs Balanced analog input with selectable +4dBu / -10 dBV sensitivityBi-amplified design eliminates the need for external amplificationFront panel output meter with variable brightness displays signal levelCustom designed, self-shielded transducers with neodymium motor structures for exceptional transient response and superb power-handlingIntegrated mounting points allowwall mounting for greater placement optionsBuilt-in handles facilitate optimum positioningLow and High Frequency Equalization with factory presets allows tailoring of response to preference, or acoustic conditions in the room

JBL LSR 4326P Powered Studio Monitor Pair Specifications:

Frequency Response: (+/- 1.5 dB): 55Hz—20kHzEnclosure Resonant Frequency: 52HzLow Frequency Extension: User controls set to default-3 dB: 47 Hz — 22 kHz-10 dB: 39 Hz — 32 kHzLow-High Frequency Crossover: Digital Crossover: 2.4kHz, 8th order LR LF/4th order BW HFDistortion, 96dB SPL,1 m: Mid-High Frequency(200 Hz - 20 kHz)2nd Harmonic: <0.4%3rd Harmonic: <0.3%Low Frequency (<200 Hz)2nd Harmonic: <0.8%3rd Harmonic: <1.4%Measured Maximum Continuous SPL : 106dB / 1mMeasured Maximum Peak SPL: 112dB / 1mMaximum Peak SPL Per Pair: 118dB SPL / 1mLow Frequency Model: 436HDiameter: 159 mm (6-1/4")Voice Coil: 1.5" (38 mm)Magnet Type: NeodymiumCone Type: Polymer coated paper fiberImpedance: 8 ohmsHigh Frequency Model: 431GDiameter: 25mm (1 in) diaphragmVoice Coil: 1" (25 mm)Magnet Type: Neodymium, shielded with integral heat sinkDiaphragm Type: Silk DomeOther Features: Elliptical oblate spheroidal waveguideImpedance: 4 ohmsAmplifier:Low Frequency Topology: Class A-B Monolithic, BalancedSine Wave Power Rating: 150 watts (<0.1% THD into rated impedance)THD + N, _ Power: <0.02%High Frequency Topology: Class A-B MonolithicSine Wave Power Rating: 70 watts (<0.1% THD into rated impedance)THD + N, _ Power: <0.02%AC Input Voltage: 115 VAC, 60 Hz (230VAC, 50 Hz — models LSR4328P/230 andLSR4326P/230)AC Input Connector: IECSelf-Generated Noise Level: <13 dBA / 1m tonal artifact-free noise floor using analog input1/8TH Power Rating: 13 watts LSR4326PFull Power Rating (100 hrs. IEC 58 watts IEC Pink Noise LF Channel Onlypink noise, 6dB crest Factor):Wattage Rating: AC at 1/8th power IEC Pink Noise 60 wattsMaximum Current: AC at maximum power output (audio)120V AC line 2.2A (LSR4328P, LSR4326P)230V AC line 1.1A (LSR4328P/230, LSR4326P/230)Fuse Value: 5A, 250VAC, Time Lag (LSR4328P, LSR4326P)2.5A, 250VAC, Time Lag (LSR4328P/230, LSR4326P/230)Inputs and OutputsAnalog XLR IN: Selectable +4 dBu/-10 dBV; Input Impedance 10K.Positive voltage applied to XLR pin 2 produces outward woofermotion1/4-in tip-ring-sleeve IN: Balanced or unbalanced, Selectable +4 dBu/-10 dBV; Input impedance 20K. Positive voltage applied to 1/4" tip producesoutward woofer motionAD Converters: 96kHz, 24 Bit, 64x Over samplingCalibrated Input Sensitivity,Analog XLR & 1/4":+4 dBu: 94 dB SPL / 1 m-10 dBV: 94 dB SPL / 1 mDigital XLR IN: AES/EBU(IEC60958)XLR OUT: AES/EBU(IEC60958)RCA IN: S/PDIF , (EIAJ CP1201)RCA OUT: S/PDIF (EIAJ CP1201)Digital Input Sample Rates: 96k Hz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz. Tolerance: +/- 3%Digital Input Word Length: 24 BitRMC Microphone Input 1/8" tip-ring-sleeve; powered +15 Volts on tip.(Use supplied microphone only)Network Connection: RJ45 IN, RJ45 OUTNetwork Protocol: Proprietary Harman HiQNetTM Protocol using RS485Computer Interface: USB Type 1Front Panel Controls: ON, SOLO, RMC, EQ ON, LF, HF, PRESET, INPUT, +/-RMC Functions: Start, BypassRMC Filter Range: 73 Frequencies (1/24th octave centers) between 20Hz to 160Hz, with a variable Q from 1 (1.4 octave bandwidth) to 16(1/11th octave bandwidth, and from 3 to 12 dB of attenuation.LF EQ: Factory Default: 500Hz Shelf, +/- 2dB in _ dB increments.137 corner frequencies between 19.7 Hz and 1kHz accessiblevia LSR4300 Control Center SoftwareHF EQ: Factory Default: 2kHz Shelf , +/- 2dB in _ dB increments 104corner frequencies between 1kHz and 20.2 kHz accessible viaLSR4300 Control Center SoftwarePRESET: 1-6 Factory/User plus NULL. Recall only.STORE possible using LSR4300 Control Center Software.INPUT Selection: Analog (XLR / 1/4")S/PDIF A, BAES/EBU A, B+/- Default: System Volume Control: 0 dB to -Secondary functions: Increment/decrement value of selectedfunctionRear Panel Controls: Input sensitivity +4dBu/ -10dBVEight SPEAKER ID DIP switches: Left, Right, Center, LeftSurround, Right Surround, Center Surround, Left Extra,Right ExtraAdditional Controls via LSR4300 DIM (-12dB at full volume), System MUTE, Preset STORE;Control Center Software: LOAD Configuration, SAVE Configuration; Level TRIM +3 dB to — 10 db in 1/4dB incrementsFront Panel Display: 31 LED Segments for dBFS and indication of settingsFront Panel Meter: -70 dBFS to 0 dBFS plus CLIPRear Panel Indicators: 5 LEDs indicate active input & digital stream selectionPhysical Finish: Dark graphiteHandles: 2, flush mounted on sidesMounting: 4 threaded mounting points conforming to industry standardsquare pattern, 107.9 mm x 50.8 mm (4 1/4" x 2" ) center tocenterM6 metric threads. Not for Suspension! Only placementon bracketLow Frequency Vent: Rear ported linear dynamics apertureBaffle Construction: Injection-molded structural ABSEnclosure Construction: 19mm (3/4") MDFNet Weight: 13 kg (28-1/2 lbs.)Dimensions: (9.3"W x 15.25H" x 10.3D")