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YAMAHA XMV4280 เพาเวอร์แอมป์ เครื่องขยายเสียง operate in both high-impedance (70V/100V line) or low-impedance4x 280W at 8Ω/4Ω,4x 250W at 100V/70V lines,2x 560W at Double Power Mode (8Ω/4Ω)
Features
High impedance and low impedance … or both
Installed sound applications often demand both high and low impedance connectivity in the same venue, requiring separate, dedicated amplifiers or an external transformer. XMV power amplifiers, however, can operate in both high-impedance (70V/100V line) or low-impedance (4Ω/8Ω) modes simultaneously, eliminating the need for additional equipment, as well as streamlining the installation process. XMV power amplifiers also enable both 70V and 100V operation for every pair of channels by simply selecting the preferred mode using the dip switches on the rear panel. High impedance operation often requires the use of two combined channels in bridge mode, but with XMV amplifiers, 70V or 100V mode can be assigned to every pair of channels without affecting the number of available output channels.
The details of how many VXS/VXC speakers can be driven from an XMV amplifier channel are shown in FAQ.
Equipped with the newly developed YDIF digital audio format for easy setup.
4x 280W at 8Ω/4Ω
4x 250W at 100V/70V lines
2x 560W at Double Power Mode (8Ω/4Ω)
Specifications
Model
XMV4280
Output Power
1kHz, THD+N = 1% (20 ms Burst)
4Ω280W x 4
8Ω280W x 4
4Ω/ Double Power Mode560W x 2
8Ω/ Double Power Mode560W x 2
High impedance
100V line250W x 4 / 40 Ω
70V line250W x 4 / 20 Ω
Voltage Gain
RL=8Ω
31.7dB
RL=8Ω / Double Power Mode
34.7dB
100V
38.2dB
70V
35.2dB
Input SensitivityRL=8Ω+4dBu
S/N Ratio
A-weighted≥ 100dB
Power Consumption
1/8 power (4 Ω pink noise)250W
Idle (4 Ω)37W
Standby18.5W
THD+N1kHz, half power≤ 0.2%
Frequency Response
RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz0dB, ±1.0dB
Crosstalk1kHz, half power, 8 Ω, Att. max, input 150 Ω shunt≤ -60dB
Maximum Input Level+24dBu
Input Impedance20kΩ (balanced), 10k Ω (unbalanced)
Connectors
Analog Input
Euroblock x 2 (6P, balanced)
Digital Input / Output
RJ45 x 2 (YDIF IN / OUT)
Speaker OutputBarrier strip x 4 pairs
NetworkRJ45 x 1
Remote, Fault Output
Euroblock (3P) x 1
AC IN
AC Inlet x 1
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)
Cooling Fan3-Speed fan x 2, front-to-back airflow
Power Requirements100V, 120V, 230V-240V; 50Hz/60Hz
Dimensions
W480mm (18.9")
H88mm (3.5")
D422mm (16.6")
Weight8.1kg (17.9lbs)