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MARANI PDA800P digital amplification module

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PDA800P is a solution integrated with DSP and amplifier, dedicated to the design of amplified speakers to 1 or 2 ways. Designed to be integrated into different solutions, it provides 2 channels with output power of 800W @ 4 ohms. However the two channels can be placed in bridge in order to obtain a channel at 1400W @ 8 ohm suitable for piloting a subwoofer. Furthermore, it offers a complete set of value-added functionality including the RS485 connection for monitoring and control via dedicated PC software. To ensure maximum reliability and efficiency, PDA800P includes a switch type power supply that supplies power to 2 output channels. The output stages use the class D circuit which allows to obtain low distortion, high efficiency all equipped with a complete set of circuit protection.PDA800P also incorporates a sophisticated digital processor thanks to its powerful DSP a 96KHz 24bit and high-performance 24-bit AD / / converters. Every channel features noise gate fuitions, crossover filters, parametric equalizers for input and output sections, the RMS compressor, the alignment delay and Filters All-Pass, everything needed to optimize a self-propelled speaker. Furthermore, the channel clip / limiter function provides output monitoring to avoid speaker damage with sweet gain reduction in clip threshold, in addition to the efficient heat dissipation system and overheating protection that in turn guarantee reliability outright compromessi.Inoltre The PDA800P is also equipped with a "Dynamic Loudness" function and a useful white / pink noise generator. All the configuration parameters of the DSP functions, the limiter setting and the display of the real-time values are accessible by using the dedicated PC software.
Features
- High Power Output: 2 x 800W @ 4 ohm or 1 x 1400w @ 8 ohm (bridge mode)
- Switched-Mode Power Supply with Auto Voltage SensingClass D - Full PWM modulator bandwidth with ultra low distortion
- Complete protection circuits with over-Current, Over / Under-Voltage, DC output and over-temperature
- Excellent sound performance with 24bit high-end converters coupled with 96 kHz sampling frequency
- 5 Parametric equalization bands on the input channel
- 7 Parametric equalization bands on the output channel
- Each band can be switched to Bell, Low / High Shelving, by channel
- Low / High Shelving, can be selected as 1 ° and 2nd Order, Version Q Variable
- Crossover filters with 6 dB / octave slopes up to 48dB / octave included
- Butterworth, Bessel, Linkwitz-Riley with customizable typologies
- Each output has a precision dynamic range controller composed of a peak and RMS limiter a compressor with selectable and variable knee ratio
- Further-Filter passes up to the 2nd order per output channel
- Delay adjustable up to 10 ms for input and output channels
- Input channel includes a Noise Gate function, pink / white noise generator, sophisticated dynamic loudness function and a filter passes-High with 6 dB / octave slopes up to 24 dB / octave including Butterworth, Bessel, Linkwitz-Riley
Technical specifications
- Number of channels: 2
- Max Output Power @ 8 OHMS: 2 x 400W - 1 X 1400W (Bridge)
- L243l
- Output circuit: Class D - Full PWM band modulator with ultra low distortion
- OUTPUT VOLTAGE: 80 VP / 160 VPP (unloaded) / bridged 160 VP / 320 VPP (unloaded)
- THD @ Nominal power 4 Ohm (1khz): <0.05% (20 Hz - 20 kHz, 8 ohm, 3db Nominal lower power)
- Signal to Noise Ratio:> 120 dB (a-Weighted, 20 Hz - 20 kHz, 8ohm load)
- Frequency response: 20 Hz - 20 kHz ± 0.15 dB (8ohm load, 1 DB Nominal power below) Damping factor:> 1000 (8ohm load, 1khz and below)
- Power supplies: universal switching and regulated power supply
- Operating Range: Universal Mains, 85-265v
- Consumption / current absorption and heat dissipation at 230 V: 25W / -A / 85.35 BTU / H (IDLE) 335W / -A / 460.9 BTU / H (. I / 8 Power Max @ 4 ohm)
- Protections: Over-Current, Over / Under Voltage, DC output and overtemperature, short-circuit protection
- Analog input: 1 X XLR electronically balanced, + 12dB
- Analogue output: 1 X XLR electronically balanced (link)
- AD & FROM CONVTERS: CS4272 24BIT
- Frequency Response (DSP): 20 Hz - 20 kHz; -0.5dBu at 20 Hz and 20 kHz
- DSP Engine: Dream Sam3716, 24bit (date) x 96 Bit (coeff.)