Definitive Audio - AD 1800X
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307,50 €
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The Definitive Audio AD 1800X delivers 2 x 900 W into 4 Ω to power public address systems requiring robust amplification. You can switch between stereo, parallel and bridge modes depending on your desired configuration, with independent gain control for each of the two channels. Its 2U rack-mount format and XLR, Speakon and terminal block connections make it easy to integrate into a professional installation.
ARTICLE N° 126090
Presentation
With its 2 x 900 W output at 4 Ω, the Definitive Audio AD 1800X offers plenty of power to drive your sound system. The Class D amplification is complemented by internal 24-bit digital processing, with a sampling rate of up to 192 kHz. The harmonic distortion remains below 0.5 per cent, with a typical value stated as less than 0.01 per cent.
To tailor this power to your setup, each of the two channels features a gain control adjustable across 21 positions, in 1 dB steps. You can also select the input sensitivity from 0.775 V, 1.2 V or 32 dB, whilst the mode selector allows you to choose between stereo, parallel or bridge operation. The balanced XLR inputs are complemented by Speakon outputs and speaker terminals, with a male/female XLR connection for signal loop-through.
The front panel allows you to monitor the amplifier’s activity via the ON, SIG, -12 dB, -3 dB, CLIP and PROT indicators. This enables you to quickly identify the signal level, any clipping or protection activation, without having to search for the information. Housed in a 2U rack unit, the AD 1800X also features front and side ventilation, which must remain unobstructed to ensure proper cooling.
To tailor this power to your setup, each of the two channels features a gain control adjustable across 21 positions, in 1 dB steps. You can also select the input sensitivity from 0.775 V, 1.2 V or 32 dB, whilst the mode selector allows you to choose between stereo, parallel or bridge operation. The balanced XLR inputs are complemented by Speakon outputs and speaker terminals, with a male/female XLR connection for signal loop-through.
The front panel allows you to monitor the amplifier’s activity via the ON, SIG, -12 dB, -3 dB, CLIP and PROT indicators. This enables you to quickly identify the signal level, any clipping or protection activation, without having to search for the information. Housed in a 2U rack unit, the AD 1800X also features front and side ventilation, which must remain unobstructed to ensure proper cooling.
Other features
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Definitive Audio AD 1800X
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Professional amplifier
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Series: AD X
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2-channel amplifier
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Power output at 4 ohms: 2 x 900 W
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Amplification technology: Class D
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Internal digital signal processing
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Operating modes: stereo, parallel, bridge
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Independent gain control per channel
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Gain adjustment: 21 positions, 1 dB steps
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Front-panel LED indicators: ON, SIG, -12 dB, -3 dB, CLIP, PROT
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THD: < 0.5 per cent, typically < 0.01 per cent
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Sampling rate: 24-bit / 44.1 kHz to 192 kHz
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CLIP indicator: indicates signal saturation / clipping
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PROT indicator: indicates protection mode
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Front panel controls: power switch, gain controls, LED indicators
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Rear panel controls: input mode selector, sensitivity selector
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Selectable input sensitivity: 0.775 V / 1.2 V / 32 dB
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Input connectors: balanced XLR
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Output connectors: Speakon and speaker terminals
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Loop-through connection possible via male/female XLR
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Front and side ventilation must be kept clear
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Rack size: 2U
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Dimensions: 567 x 438 x 130 mm (22.32 x 17.24 x 5.11")
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Weight: 6.9 kg
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