Hill QPA-2800V2 4-channel power amplifier
The Hill QPA2800 4-channel power amplifier is designed to meet the needs of installers who require a reliable and easy-to-use amplifier solution for multi-channel low-impedance sound reinforcement systems Based on the well-known LPA hybrid technology with conventional amplifier and power supply technology under digital control, the QPA-2800 offers the same advantages of a large overdrive reserve with good-natured clip behavior. The often long cable paths on the supply side in multi-channel systems have been taken into account by a new input stage with extremely high CMRR. Other proven features of the LPA series have also been adopted here, such as the large-format 3-color LCD display and the duality of the plugged-in and screwed input/output connectors.
Features of the Hill QPA-2800V2:
- Linear 4-channel power amplifier, 2+2-channel dual block design
- Class AB bipolar topology, 2 ohms stable
- Stereo, parallel-mono and bridge operation selectable for each block
- toroidal transformer
- Temperature controlled fans (x2)
- Two 71-segment 3-colour LCD displays with level indicator, temperature display and status indicator
- Digitally controlled limiter
- Digitally controlled high-pass input filters
- Special input stage with high CMRR for long cable lengths
- Combo Inputs & Phoenix Compatible Inputs
- Speakon compatible output connector for left/right/bridge
- Additional screw connectors as speaker output
- PowerCon power supply plug
- Resettable circuit breaker in the mains input
- Removable front frames with exchangeable filter for fan
- All-metal housing with removable rack angles
- CE/ROHS compliant
Technical data:
- Output power (RMS) dual stereo: 4?280/450/700W @ 8/4/2 Ohms
- Output power (RMS) dual bridged: 2?900/1400W @ 8/4 ohms
- Frequency response: 20Hz-20kHz +/- 1dB
- THD < 0.03%
- Damping factor > 300
- Dimensions: 483x88x425mm WxHxD
- weight: 24.2 kg
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