Yamaha XMV4280 Power Amplifier

Yamaha XMV4280

Power Amplifier

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Home > Yamaha Professional Audio > Power Amplifiers > XMV4280

 Yamaha XMV4280 Power Amplifier

Yamaha XMV4280 Power Amplifier
Product Code: XMV4280
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Video: Yamaha XMV Series Power Amps

XMV Series multi-channel power amplifiers combine Class-D efficiency with features designed specifically to benefit commercial installation sound systems. The Series is comprised of 8 different models with varying output power capabilities and flexible in/out connectivity to accommodate a wide range of installation environments.

• 4x 280W at 8Ω/4Ω
• 4x 250W at 100V/70V lines
• 2x 560W at Double Power Mode (8Ω/4Ω)

Yamaha XMV4280

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.
   

Yamaha XMV4280

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
   

Yamaha XMV4280

Selectable input formats for a wider range of applications
XMV amplifiers come equipped with either the newly developed YDIF digital audio format, or Audinate’s digital audio network Dante. YDIF allows easy setup with the use of Ethernet cables while Dante models can be used for larger venues where long distant cabling is required.
   

Yamaha XMV4280

A perfect match for the MTX Series
When XMV power amplifiers are used in systems with MTX series processors, settings such as the mute on/off or attenuator changes can be set via computer using the MTX Editor software application. YDIF and Dante ports make system configuration simple and fast with instant connectivity and flexible parameter control.
   
Best installation amp ever?
XMV amplifiers feature an innovative, new, patent pending circuit that improves the already highly efficient Class D circuit topology, bringing the efficiency level of the amplifier's output stage up to over 90%. This is achieved by automatically switching the circuit to match the corresponding output voltage. In high-impedance connections, both 70V and 100V operation can be achieved since the circuit is already capable of operating in high voltages. However, using the same circuit in lowimpedance operation can mean excessive energy loss, so by automatically switching to a lower voltage drive, efficiency is improved significantly without sacrificing crucial aspects of the amp's performance such as keeping the distortion levels to a minimum.

XMV power amplifiers also feature a new switching power supply equipped with Power Factor Correction, which ensures harmonic control and decreases the amount of current draw dramatically, yet still maintains the same output power. This makes circuit breakers less prone to shutting down, as well as eliminating the need for thicker, heavier cables or a larger, more powerful system.
   

Yamaha XMV4280

Protection features for more reliable operation
Automatic protection functions are an essential part of the XMV Series' design, ensuring peak performance and reliable operation in less than ideal situations. Low load impedance, overcurrent, and overheating can all damage vital amplifier components and threaten their ability to function effectively. To combat these hazards, XMV Series power amps feature powerful, intelligent protection functions that can deliver the assurance of long product life and consistent performance.
   
External control via Ethernet
The XMV Series is equipped with a Network port that allows direct control from controllers such as AMX/Crestron.
Model XMV4280
Output Power 1kHz, THD+N = 1% (20 ms Burst) 280W x 4
280W x 4
4Ω/ Double Power Mode 560W x 2
8Ω/ Double Power Mode 560W x 2
High impedance 100V line 250W x 4 / 40 Ω
70V line 250W x 4 / 20 Ω
Voltage Gain RL=8Ω 31.7dB
RL=8Ω / Double Power Mode 34.7dB
100V 38.2dB
70V 35.2dB
Input Sensitivity RL=8Ω +4dBu
S/N Ratio A-weighted ≥ 100dB
Power Consumption 1/8 power (4 Ω pink noise) 250W
Idle (4 Ω) 37W
Standby 18.5W
THD+N 1kHz, half power ≤ 0.2%
Frequency Response RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz 0dB, ±1.0dB
Crosstalk 1kHz, half power, 8 Ω, Att. max, input 150 Ω shunt ≤ -60dB
Maximum Input Level +24dBu
Input Impedance 20kΩ (balanced), 10k Ω (unbalanced)
Connectors Analog Input Euroblock x 2 (6P, balanced)
Digital Input / Output RJ45 x 2 (YDIF IN / OUT)
Speaker Output Barrier strip x 4 pairs
Network RJ45 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 Fan 3-Speed fan x 2, front-to-back airflow
Power Requirements 100V, 120V, 230V-240V; 50Hz/60Hz
Dimensions W 480mm (18.9")
H 88mm (3.5")
D 422mm (16.6")
Weight 8.1kg (17.9lbs)
 
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