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Technical InformationArchitects and engineersspecificationsLX1600SWITCHMODE PRECISION Extremely light and compact High-Efficiency Class-H Design 30% Dynamic Headroom Highest reliability at 2 ohms Comprehensive set of protective circuits Dynamic audio limiter Precise raster pots on the front panel Constant-Gain with 32dB Made in GermanyDESCRIPTIONFor decades, DYNACORD has been one of the leading manufacturersin the pro audio sector and has established a secure position in theamplifier market thanks to the excellent audio performance,absolutereliability and high stability of the Linear Precision series. With theiroutstanding operational security, which guarantees years of problem-freeuse, the amplifiers of the Linear Precision series are now the standardfor a wide variety of full-range and multi-way loudspeakers systems inprofessional venues as diverse as theatres, stadiums, discotheques,clubs and concert halls.SWITCHMODE TECHNOLOGYWith the LX Serie, DYNACORD is introducing a new class of professionalhigh-end amplifiers: The SWITCHMODE PRECISION Serie. Thecombination of an analogue class-H design with a state-of-the-artswitching power supply has made possible the creation of a professionalpower amplifier, delivering 2 x 2100 watts into 2 ohms and excellentaudio specifications, that weighs only 8.7 kg. Even complex loads as lowas 2 ohms can be driven with absolute reliability. Thanks to its weight ofonly 8.7kg, racks containing several LX amps units for activemulti-way use are easy to transport. Gone for ever are the days ofcumbersome amp racks.CLASS – H TECHNOLOGYWith this technology, two different power supply rails are permanentlyavailable internally to the power amplifier blocks. For most of theprogram material, the lower is able to reproduce the signal flawlessly.However when there are dynamic peaks, the amplifier switches internallyand at high speed to the higher supply voltage. The great advantageof this technology lies in the fact that for much of the time, the poweramplifier blocks are working with the lower supply voltage and the powerdissipation is therefore considerably less than with conventional classAB power amplifiers. This also means considerably less waste heat. Aconventional power amplifier design consumes almost twice as muchcurrent and generates twice as much heat as Dynacords CLASS Hdesign. The compact power amplifiers of the Precision series thereforeremain far cooler under extreme conditions.DYNAMIC LIMITERSDynamic limiters are a standard feature of all DYNACORD poweramplifiers. High-speed audio processors are continuously comparing theinput signal to the output signal this is called Audio Processor Control(APC) and in the event of any non-linearity, the processors send controlsignals to the limiters,which operate dynamically upon the input level.As a result, total harmonic distortion is kept to max.1%at all input levelsbelow 22 dBu.Notes:-
SPECIFICATIONS
LX1600
Load Impedance 2 ohms 4 ohms
Maximum Midband
THD = 1%, 1kHz, Dual Channel 1300 W 800 W
Rated Output Power
THD < 0.1%, 20Hz ... 20kHz --- 700 W 350 W
Dynamic-Headroom, IHF-A 2200 W 1200W 625
Max. Single Channel Output Power
Continuous, 1kHz 1700 W 1000 W
Max. Bridged Output Power
THD = 1%, 1kHz — 2600 W 1600 W
Maximum RMS Voltage Swing
THD = 1%, 1kHz 72 V
Power Bandwidth
THD = 1%, ref. 1kHz, half power @ 4 10 Hz … 60 kHz
Voltage Gain
ref. 1kHz 32.0 dB
Input Sensitivity
at rated output power +4.7 dBu (1.33 V rms)
THD at rated output power,
MBW = 80kHz, 1kHz < 0.05%
60Hz, 7kHz < 0.02%
3.15kHz, 15kHz < 0.05%
Crosstalk
ref. 1kHz, at rated output power < - 80dB
-1dB, ref. 1kHz 15Hz … 40kHz
Input Impedance
active balanced 20 kohms
Damping Factor
1kHz > 300
Slew Rate 30 V/s
Signal to Noise Ratio, Amplifier
A-weighted 107 dB
Output Stage Topology Class H
Power Requirements 240V, 230V, 220V, 120V or 100V; 50Hz … 60 Hz (factory configured)
Power Consumption
1/8 maximum output power @ 4 625 W
Protection Audio limiters, High temperature, DC, HF, Back-EMF,
Peak current limiters, Inrush current limiters, Turn-on delay
Cooling Front-to rear, 3-stage-fans
Ambient Temperature Limits +5C … +40C ( 40F … 105F)
Safety Class I
Dimensions (W x H x D), mm 483 x 88,1 x 384
Weight 7.80 kg (17.2 Ibs)
Optional:
Rear-rackmount 15,5
Rear-rackmount 18
2-Way Crossover, internal filter-card,
24dB, LR
112930 (RMS15-CL)
112933 (RMS18-CL)
330Hz (NRS 90249), 500Hz 90250),
800Hz (NRS 90251), 1200Hz (NRS 90252)
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