DYNACORD
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The new Compact Linear Precision Series power amplifiers combine outstanding audio performance with maximum reliability and operating security as well as being markedly lighter than equivalent power amplifiers.

Through the use of an optimized power supply with low dispersion toroidal transformers as well as of Class H technology (CL 800 Class AB), a large amount of headroom above the specified nominal output has been achieved along with a considerable reduction in weight and thermal leakage.

CL Series power amplifiers satisfy all the criteria for punishing ‘on the road’ use. They are reliably protected against overheating, overload and short-circuits as well as high frequency and DC at the output. The ‘soft start’ function employs relays to insert a delay between switching on the device and the activation of the power outputs. A further circuit limits the current on power-up, there-by protecting the mains fuses. DYNACORD amplifiers constantly monitor the input- versus the outputsignal by means of super-fast audio processors which send -in case of non-linear operation- control parameters to the limiters. The limiters are thus operating dynamically and do not affect the amplifiers dynamic capabilities as they control the input gain level. Thermal stability is provided by a 3-stage fan with a very low noise level.

The inputs are electronically balanced and implemented on XLR connectors, whilst Direct Outs for looping the signal are also standard. Input routing permits the choice between Mono and Stereo modes. Mono bridged mode is also easy to realize thanks to the separate Bridged Out connectors and the Bridged Mode switch.

Load Impedance
2 O, 4 O, 8 O
Max. Midband, Output Power, THD = 1%, 1kHz , Dual Channel
2 O - 1100W, 4 O - 800W, 8 O - 500W
Rated Output Power, THD < 0,1%, 20Hz … 20kHz
4 O - 700W, 8 O - 350W
Max. Single Channel, Output Power, Dynamic Headroom, IHF-A
2 O - 2200W, 4 O - 1200W, 8 O - 620W
Max. Single Channel, Output Power, Continuous, 1kHz
2 O - 1500W, 4 O - 950W, 8 O - 550W
Max. Bridged, Output Power, THD = 1%, 1kHz
4 O - 2200W, 8 O - 1600W
Maximum RMS Voltage Swing, THD = 1%, 1kHz
72V
Power Bandwith, ref. 1kHz, THD =1%, half power @ 4 ohms
10Hz … 60kHz
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%
IMD-SMPTE, 60Hz, 7kHz
< 0,02%
DIM 30, 3,15kHz, 15kHz
< 0,01%
Maximum Input Level
+22 dBu (9,76 V rms)
Crosstalk, ref. 1kHz, at rated output power
< -80 dB
Frequency Response, ref. 1kHz (- 1dB)
15Hz … 40kHz
Input Impedance, active balanced
20 kO
Damping Factor, 1kHz
> 300
Slew Rate
35 V/µs
Signal to Noise Ratio, Amplifier, A-weighted
107,0 dB
Output Noise, A-weighted
< -70 dB
Output Stage Topology
Class H
Power Requirements
100V, 120V, 220V, 230V, 240 V; 50Hz … 60Hz (factory configured)
Power Consumption 1/8 max.
660W (Measured with 110% of reated mains voltage)
Protections
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
+5°C ... +40°C (40°F ... 105°F)
Safety Class
I
Dimensions (W x H x D) mm
483 x 88,1 x 386,8
Weight
16 kg (35,2 lbs)
Optional
Rear-rackmount 15,5“ D112930 (NRS 90262), Rear-rackmount 18“ D112933 (NRS 90264), LPN + Lo-Cut internal filter-card D112963 (NRS 90268)
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