DescriptionStereo PA amplifiers with up to 3.5kW of powerThe stereo PA amplifiers of the DDA series with integrated limiter have been specially designed for stage and the disco applications. The amplifiers may be used in stereo operation, parallel operation or in mono bridge operation. All models employ a Class D architecture. Thanks to their switch mode power supply unit, the weight of the amplifiers is considerably lower than that of amplifiers of comparable power equipped with a standard power supply unit which makes them particularly attractive for rental companies. The amplifiers and the speakers connected are protected through extensive protective circuits.Stereo PA amplifier with SMPS, 2 x 1250 W / 4 ohms Stereo PA amplifier with class D circuitry Low weight and height due to integrated switch mode power supply Reliable power amp with high impulse stability for a wide range of applications (e.g. compact PAs, multi-way PAs, concerts) Limiter and speaker switch-on delay 3 operating modes can be selected (stereo, parallel or bridged) 2 calibrated level controls for precise level adjustment Input sensitivity adjustable LED VU meter and LEDs for activated protective circuit (protect), overload (clip), and signal per channel Electronically balanced inputs via XLR mounting jacks, with XLR feed-through outputs Speaker outputs via lockable Speaker plugs and screw terminals Rugged steel chassis with aluminum front panel Air flow from front to rear The device is cooled by 2x temperature-controlled fan (19") 48.3 cm rack installation 2 U Power supply: 100-240 V AC, 50/60 Hz Power consumption: 200 W 1/8 power Output power: 2 x 700 W RMS (8 ohms)2 x 1250 W RMS (4 ohms) Power connection: Mains input P-Con (blue), mounting version Power supply cord with safety plug (provided) Frequency range: 20 - 20000 Hz S/N ratio: >100 dB THD: 10 V/?s Damping factor: >500 Control elements: Power switch, level control per channel, mode switch (stereo/parallel/bridged), limiter selector, Input sensitivity switch Controls: Softstart; overheat; overload; short-circuit; limiter; VHF; DC voltage; progressive volume Status LED: Power, level meter, clip, protect Connections: Input: 2 x line via 3-pin XLROutput: 2 x line via 3-pin XLROutput: 2 x speakers via speaker built-in socket (f) Input sensitivity: 0.775 V; 1.0 V; 1.81 V , switchable; 32 dB; 37 dB; 39.3 dB , switchable Housing design: (19") 48.3 cm rack installation 2 U Dimension: Width: 48.3 cmDepth: 30.7 cmHeight: 8.9 cm Weight: 6.25 kg
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