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The Yamaha XMV4280 multi-channel power amplifier combines Class-D efficiency with features designed specifically to benefit commercial installation sound systems.
Yamaha XMV4280 Features
- Four-channel power amp that can operate in both high-impedance (70V/100V line) or low-impedance (4O/8O) modes simultaneously
- 70V or 100V mode can be assigned to every pair of channels without affecting the number of available output channels
- Equipped with YDIF digital audio format for simple and fast system configuration
- Easy setting such as the mute on/off or attenuator changes with MTX Editor when used in system with MTX Series
- An innovative circuit improves the already highly efficient Class D circuit topology, bringing the efficiency level of the amplifier's output stage up to over 90%
- Features a Power Factor Correction equipped switching power supply, ensuring harmonic control and decreasing the amount of current draw while maintaining the same output power
- Powerful, intelligent protection features for more reliable operation
- XMV4280 4-Channel Power Amplifier1
- Output Power
- 1kHz (THD+N=1%: 4Ω): 280W x 4
- 1kHz (THD+N=1%: 8Ω):280W x 4
- 1kHz (THD+N=1%: 4Ω/Double Power Mode):560W x 2
- 1kHz (THD+N=1%: 8Ω/Double Power Mode): 560W x 2
- High impedance (100V line): 250W x 4/80Ω
- High impedance (70V line):250W x 4/40Ω
- Voltage Gain
- RL=8Ω: 31.7dB
- RL=8Ω/Double Power Mode: 34.7dB
- 100V: 38.2dB
- 70V:35.2dB
- Power Consumption1/8 power (4 Ω pink noise):250W, Idle (4 Ω):37W, Standby:18.5W
- Total Harmonic Distortion≤ 0.2% (1kHz, half power)
- Frequency Response0dB, ±1.0dB (RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz)
- S/N Ratio≥100dB(A-weighted)
- Crosstalk≤-60dB
- Input Sensitivity+4dBu
- Input Impedance20kΩ (balanced), 10kΩ (unbalanced)
- I/O Connectors
- Analog I/O: Input: Euroblock x 2 (6P, balanced)
- Digital I/O: RJ45 x 2 (Dante PRIMARY / SECONDARY)
- Speaker Output: Barrier strip x 4 pairs
- Control Ports: Remote, Fault Output : Euroblock (3P) x 1
- Network: Shared with Dante ports
- Others: AC Inlet x 1
- Input Level+24dBu (Maximum)
- Protection Circuit
- Load Protection: POWER switch on/off: Output mute, DC-fault: Power supply shuts down, Clip limiting
- Amplifier Protection:
- Thermal: Output mute (heatsink temp ≥90°C) (Restored automatically), Overcurrent: Output mute (Restored automatically), Low load impedance: Output mute (Restored automatically)
- Power Supply Protection:
- Thermal: Amplifier shuts down automatically (heatsink temp ≥100°C) , Integrated power: Gain reduction (Restored automatically)
- Cooling3-Speed fan x 2, front-to-back airflow
- Power Requirements100V, 120V, 230V-240V; 50Hz/60Hz
- Dimensions (W x H x D)18.9 x 3.5 x 16.6 inches (480 x 88 x 422mm)
- Net Weight17.9 lbs (8.1 kg)
