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The ES503 3-Amped Stereo System from dB Technologies is a 1000W 3-amped sound system composed by 2 slave 4 x 3" full-range tops and 1 master 12" subwoofer. The sub hosts a Digipro G3 amp module with auto-range PSU and a 3-channels mixer with Bluetooth connection. It is equipped with a three-channel mixer controlled by a DSP. The first channel features a MIC/instrument balanced/unbalanced combo connector with an adjustable anti-feedback filter, impedance compensation, and microphone gain with 3 positions (0, +10, + 20 dB). The second and third channels are LINE inputs with balanced/ unbalanced combo connector. The system is provided with several preset equalizations, and each user can create and save its own custom equalization.
Acoustic Specifications | |
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Frequency Response | -10 dB: 37 to 15000 Hz |
Maximum SPL | 121 dB |
Driver Size |
Medium to High Frequency: 8 x 3.0" (7.6 cm) Neodymium drivers Low Frequency: 1 x 12.0" (30.5 cm) |
Directivity | 95 x 65° |
Amplifier | |
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Technology | Digipro G3 |
Class | Class D |
Power Amp | 1000 W |
Controls |
1x OLED display plus rotative knob with push-button 1x Audio signal monitoring LED 1x Mini USB B port (service data) |
Power Supply | SMPS with PSU auto-range |
Cooling | Convection |
Power Connections | VDE socket |
Processor | |
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Controller | DSP: 56-bit |
Converter | A/D Conversion : 24-bit/48 kHz |
Presets |
Factory: Flat, playback, club, vocal, monitor, anti-feedback User: Low shelving, semiparametric filter, high shelving |
Limiter | Dual active, RMS, peak, thermal |
Crossover Frequency | Low to High Frequency: 206 Hz |
Inputs | |
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Channel | Mic/Instrument: 1 x Combo (XLR-1/4") balanced/unbalanced input |
Channel |
Line: 2 x Combo (XLR-1/4") balanced/unbalanced inputs Media: 1 x Built-in hi-range stereo Bluetooth audio receiver |
Output | Mix: 1 x XLR balanced output |
Mechanics | |
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Housing |
Subwoofer: 0.6" (15.0 mm) black painted birch plywood Tops: Polypropylene PP |
Dimensions (W x H x D) |
Tops: 3.74 x 13.98 x 5.39 (9.50 x 35.51 x 13.69 cm) Subwoofer: 18.3 x 15.7 x 16.9" (46.5 x 39.9 x 42.9 cm) |
Weight |
Each Top: 4.19 lb (1.90 kg) Subwoofer: 36.16 lb (16.40 kg) |
Packaging Info | |
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Package Weight | 56.5 lb |
Box Dimensions (LxWxH) | 24.5 x 23.0 x 20.5" |