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SM Professional

DH 52

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Power
3600 WATTS
Channels
2 Channels
Series
DH Series

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

  • 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.

Specifications, Q&A and videos

DH 52 technical specifications
SeriesDH Series
4 Ω (True RMS),20Hz-20kHz,1% THD2 x 1800 W
8Ω (True RMS), 20Hz-20kHz, 1% THD2 x 1200W
8Ω (True RMS), 20Hz-20kHz,1% THD3600W
Gain Sensitivity Selection26dB 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 Impedance20KΩ Balanced, 10KΩ Unbalanced
Damping factor>400:1
ProtectionTemperature, 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) mm483 x 410 x 88 (2U)
Weight (Kg)23
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