DH 52
The DH series is our range of digital hybrid stereo power amplifiers designed to deliver high efficiency, definition, dependability and incredible sonic punch in a wide variety of live, touring, DJ, PA and installation applications.
Features
Specifications
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DH 52
Innovative “Tracking Class D” (TD) circuit design to deliver high drive, definition and dependability.
Delivers efficiency of Class D technology with the sonic punch of class AB amplification.
Tamper-proof dip switches for finely-graded sensitivity selection.
Sensitivity range of 26dB to 47dB (+3dB increments) to connect versatile input devices and loudspeaker types.
High-current toroidal transformers with high-endurance cores for superior transient response.
3 switchable operational modes: stereo, parallel, and bridge.
Low THD and high damping factor for excellent sound quality.
Built-in limiter circuit for speaker protection from damage due to distorted input signals.
Protection devices: temperature, VHF, DC, short circuit, soft-start and overload.
Intelligent cooling and heat dissipation using dual variable speed CFM fans.
3-colour LED bargraph to indicate power ON, signal (5-segments), limit and protect status.
Audio-grade balanced XLR input connectors.
High-performance Speakon and binding post output connectors.
Wide mains voltage operation 150-240V AC.
Minimum wiring and standardised layout for easy serviceability.
Ideal for a wide variety of live, touring, DJ, PA and installation applications.
Model
DH 52
Stereo Mode Power Output
4 Ω (True RMS),20Hz-20kHz,1% THD
2 x 1800 W
8Ω (True RMS), 20Hz-20kHz, 1% THD
2 x 1200W
Bridged Mode Power Output
8Ω (True RMS), 20Hz-20kHz,1% THD
3600W
Gain Sensitivity Selection
26dB to 47dB, Increment of 3dB, Total 8 Switches
Frequency Response (Hz)
20-20 (±0.5dB)
THD+N @ Rated Power, 4Ω Load, Single Channel
< 0.1%
Signal to Noise Ratio
< 100dB
Cross-talk
< 70dB @ 1kHz
Input Impedance
20KΩ Balanced, 10KΩ Unbalanced
Damping factor
>400:1
Protection
Temperature, VHF, DC, Short Circuit, Soft-Start, and Overload
Input Connector (Per Channel)
XLR
Output Connector (Per Channel)
Speakon & Binding Post
Dimension (W x D X H) mm
483 x 410 x 88 (2U)
Weight (Kg)
23
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