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YAMAHA XMV4140-D เพาเวอร์แอมป์ 4 แชลแนล 4 x 140W @ 8 ohms/4 ohms, 4x 125W @ 100V/70V line, 2x 280W @ Double Power Mode 8 ohms/4 ohms เครื่องขยายเสียง
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.
New “Double Power Mode”
The newly developed Double Power Mode function effectively doubles the output power of selected channels in order to drive speakers with higher output power. This means that speakers with varying output capacities can be powered simultaneously by the same amplifier, adding flexibility to system design and configuration.
*The number of channels that can be used will be reduced to half
Specifications
Model
XMV8140-D
Output Power
1kHz, THD+N = 1% (20 ms Burst)
4Ω140W x 8
8Ω140W x 8
4Ω/ Double Power Mode280W x 4
8Ω/ Double Power Mode280W x 4
High impedance
100V line125W x 8 / 80 Ω
70V line125W x 8 / 40 Ω
Voltage Gain
RL=8Ω28.7dB
RL=8Ω / Double Power Mode
31.7dB
100V38.2dB
70V35.2dB
Input Sensitivity
RL=8Ω+4dBuS/N Ratio
A-weighted
≥ 100dB
Power Consumption
1/8 power (4 Ω pink noise)
250W
Idle (4 Ω)73W
Standby23W
THD+N1kHz, half power≤ 0.2%
Frequency Response
RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz0dB, ±1.0dB
Crosstalk
1kHz, half power, 8 Ω, Att. max, input 150 Ω shunt≤ -60dB
Maximum Input Level+24dBu
Input Impedance20kΩ (balanced), 10k Ω (unbalanced)
Connectors
Analog Input
uroblock x 2 (6P, balanced)
Digital Input / OutputRJ45 x 2 (Dante PRIMARY / SECONDARY)
Speaker Output
Barrier strip x 8 pairs
Network
Shared with Dante ports
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")
Weight10.1kg (22.3lbs)