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General safety guidelines for operating the audio equipment, including precautions against hazards.
Warning against user servicing; emphasizes referring all maintenance to qualified service personnel.
Overview of the amplifier's front panel, identifying key components.
Detailed description of the front panel's power switch, gain controls, and indicator LEDs.
Overview of the amplifier's rear panel, showing connection ports and switches.
Detailed description of rear panel elements like power inlet, speaker connections, and mode switch.
Instructions for connecting signal sources to the amplifier via balanced XLR inputs.
Instructions for connecting loudspeakers to the amplifier using Euro-Terminal blocks.
Information on international wiring standards for professional audio equipment connections.
Detailed performance and physical specifications for the DPA74 and DPA154 amplifiers.
General safety guidelines for operating the audio equipment, including precautions against hazards.
Warning against user servicing; emphasizes referring all maintenance to qualified service personnel.
Overview of the amplifier's front panel, identifying key components.
Detailed description of the front panel's power switch, gain controls, and indicator LEDs.
Overview of the amplifier's rear panel, showing connection ports and switches.
Detailed description of rear panel elements like power inlet, speaker connections, and mode switch.
Instructions for connecting signal sources to the amplifier via balanced XLR inputs.
Instructions for connecting loudspeakers to the amplifier using Euro-Terminal blocks.
Information on international wiring standards for professional audio equipment connections.
Detailed performance and physical specifications for the DPA74 and DPA154 amplifiers.
General| Frequency Response | 20 Hz - 20 kHz |
|---|---|
| Signal-to-Noise Ratio | > 100 dB |
| Technology | Class D |
| Impedance | 4 Ohm |
| Bridged Impedance | 8 Ohm |
| Crosstalk | > 70 dB |
| Damping factor | >200 @ 8Ω |
| Mounting | 19" rack mountable |
| Power Output | 4 x 70 W @ 4 Ohm |
| Output Power | 4 x 70 W @ 4 Ohm |
| Input Impedance | 20 kOhm |
| Power Consumption | 300 W |
| Protection | Overload, short circuit, thermal |
| Total Harmonic Distortion (THD) | < 0.05% @ -1 dB below clipping |
| THD+N | < 0.05% @ -1 dB below clipping |
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