DH 64
The Studiomaster Professional DH 64 is a high-performance 4 channel digital hybrid power amplifier. Integrating an innovative “Tracking Class D” (TD) circuit design, the amplifier delivers efficiency of Class D technology with the sonic punch of class AB amplification and immense power, drive, definition and dependability.
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DH 64
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    Innovative “Tracking Class D” (TD) circuit design to deliver high drive, definition and dependability.

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    Delivers efficiency of Class D technology with the sonic punch of class AB amplification.

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    Sensitivity range of 26dB to 47dB (+3dB increments) to connect versatile input devices and loudspeaker types.

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    High-current toroidal transformers with high-endurance cores for superior transient response.

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    3 switchable operational modes: stereo, parallel, and bridge.

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    Low THD and high damping factor for excellent sound quality.

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    Built-in limiter circuit for speaker protection from damage due to distorted input signals.

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    Protection devices: temperature, VHF, DC, short circuit, soft-start and overload.

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    Intelligent cooling and heat dissipation using dual variable speed CFM fans.

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    3-colour LED bargraph to indicate power ON, signal (5-segments), limit and protect status.

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    Audio-grade balanced XLR input connectors.

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    High-performance Speakon output connectors.

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    Wide mains voltage operation 150-240V AC.

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    Minimum wiring and standardised layout for easy serviceability.

  • Model

    DH 64

    Stereo Mode Power Output
    4Ω (True RMS), 20Hz-20kHz, 1% THD

    4 x 1200W

    8Ω (True RMS), 20Hz-20kHz, 1% THD

    4 x 900W

    Bridged Mode Power Output
    8Ω (True RMS), 20Hz-20kHz,1% THD

    2400W

    Frequency Response

    20Hz-20kHz (±0.5dB)

    THD+N @ Rated Power, 4Ω Load, Single Channel

    < 0.1%

    Signal to Noise Ratio

    < 100dB

    Crosstalk

    < 70dB @ 1kHz

    Input Impedance

    20KΩ Balanced, 10KΩ Unbalanced

    Damping Factor (8Ω)

    >400:1

    Protection

    Temperature, VHF, DC, Short Circuit, Soft-Start, and Overload

    Input Connector (Per Channel)

    XLR

    Output Connector (Per Channel)

    Speakon

    Dimensions (W x D x H) mm

    483 x 420 x 132 (3U)

    Net Weight (Kg)

    30

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