LA4X_SPS_EN_4.0/07.17_Specifications subject to change without notice. Operating conditionsTemperatureAmbient temperature 0 ºC to +50 ºCAmplication and power supplyAmplifier classPD classOutput powerEIA (1% THD, 1 kHz, all channels)4 x 1000 W RMS (into 8 Ω)4 x 1000 W RMS (into 4 Ω)Power supply modelUniversal switching power supply (SMPS) with power factor correction (PFC)Power factor> 0.9 (4 Ω full power)Mains power values100 V - 240 V ~ ±10%, 50-60 HzRated current requirements20 A for 100-120 V, 10 A for 200-240 VSoundspecificationsFrequency response 20 Hz - 20 kHz± 0.25 dB under 8 ΩDistortion THD+N (20 Hz - 10 kHz)< 0.05 %, at 8 Ω, 11 dB at rated powerNoise level (20 Hz - 20 kHz, 8 Ω, A-weighted)- 71 dBVChannel separation (at 1 kHz, 8 Ω)> 80 dBLatency (analog and digital inputs)Standard mode: 3.84 msLow latency mode: 0.76 msDSPDigital Signal Processor (DSP)SHARC 32-bit, floating point, 96 kHz sample rateI/O routingFlexible 4x4 routing matrixPer output channelBuilt-in EQ with filters (8 IIR, 3 FIR)Array Morphing function (LF contour, Internal IIR and FIR EQ filter algorithms for linearization of speaker phase curves and better impulse responsesL-DRIVE protection (excursion, temperature and overvoltage)Output delay0 ms to 1000 msL-DRIVE transducer protection: excursion / temperature / overvoltageCircuit protectionMains and power suppliesOvervoltage or undervoltage / thermal protection / overcurrent (inrush current protection)Electrical outputsOvercurrent / short circuit / thermal protectionCoolingThermally controlled speed fansAnalog inputs: 4 balanced analog line inputs with passive connectionA/D conversion4 cascaded 24-bit analog-to-digital converters (130 dB dynamic range)Input impedance22 kΩ (balanced)Max input level22 dBu (balanced, 1% THD)Digital: 2 AES/EBU inputs (4 channels) with electronic buffer and backup relayAES/EBU standard (AES3)Sampling frequency (Fs)44.1, 48, 64, 88.2, 96, 128, 176.4 or 192 kHzResolution16, 18, 20 or 24 bitsSynchronizationSignal resampled to internal clock at 96 kHzSampling frequency96 kHz (SRC referenced to internal clock of amplified controller)Dynamic range140 dBDistortion (THD+N)< -120 dBfsBandwidth ripple± 0.05 dB (20 Hz - 40 kHz, 96 kHz)Switching modeAB to CD: Digital to analog or digital to digitalToggle conditionsNo clock, loss of lock, CRC error, bipolar encoding error, or data offsetConstant delayIndependent on input sample rateConstant levelAccording to user setting of AES/EBU gain, independent of input sample rateInput gain-12 dB to +12 dB, 0.1 dB incrementsAVB inputsMaximum number of streams 1 stream class ALatency 2 ms (typical, 2 ms (typical, depends on talker) IEC 61883-6 AM824 format at 48 kHz or 96 kHzNumber of channels 4 channels from a stream consisting of up to 16 channelsClockSynchronized to the clock of the incoming AVB stream (oversampling to 96 kHz in case of 48 kHz stream)Remote control and monitoringNetwork connectionDual port Gigabit Ethernet interface, Avnu-certified bridge for transferring up to 32 streamsL-AcousticsLA Network Manager remote control softwareThird-party management solutionsSNMP / Extron® / Crestron®Physical dataHeight2UPWeight11.3 kgProtective ratingIP3x

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