Yamaha PX8 Power Amplifier (1050W x 2 at 4 Ohms)


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In the box

Yamaha PX8 Power Amplifier (1050W x 2 at 4 Ohms)

  • Yamaha PX8 Power Amplifier (1050W x 2 at 4 Ohms)
  • AC Cable
  • Manual
  • Limited 3-Year Warranty

From The Wavelength Blog Read more

Yamaha PX8 Power Amplifier (1050W x 2 at 4 Ohms)

The Yamaha PX8 Power Amplifier combines intelligent processing with high output power to meet the requirements of a vast range of sound reinforcement environments.

Powerful, Efficient Design

The PX8 is driven by a newly-developed Class-D amplifier engine that concentrates all the necessary functions into a single custom LSI chip and uses PLL technology to control transfer characteristics in real-time, achieving impressive sound quality and power. This new single-chip architecture offers higher output and improved performance in a more lightweight, yet reliable design. A combination of cutting-edge technology and an exhaustive component selection process make this amplifier a supremely efficient amplifier with low noise, reliable protection features, and above all, outstanding sound quality.

DSP For Audio Processing, Input Routing, And Output Routing

Amp Mode allows the user to configure the system without difficulty by selecting the input routing and output routing. A total of 15 types of patterns can be selected.


The PX8 offers a versatile range of different power output capabilities suitable for a wide variety of sound reinforcement applications.

Sophisticated Signal Processing

The PX8 come with flexible onboard crossover, filters, delay, limiter, and PEQ (fixed preset) functions as standard, allowing quick and easy system setup via the LCD display, without the need for any additional outboard gear. All models also feature Yamaha’s intelligent D-CONTOUR multi-band dynamic processing, allowing users to achieve consistent clarity and high-quality sound for either front-of-house or monitor configurations.

Smart Configuration Wizard

The Config Wizard allows users to save even more time during system setup by assigning optimized speaker settings that match your system configuration– simply select the appropriate filter and crossover for each speaker, and Config Wizard will do the rest.

Flexible Connectivity, Durable Construction

Equipped with both XLR and TRS inputs, and binding post, SpeakON, and phone outputs, the PX8 offers the flexibility needed for a variety of setups and environments, and the durability to stand up to extended road use thanks to the sturdy chassis and carrying handle design.

Utilities for Safe and Secure Operation

The PX8 makes it fast and easy to configure panel settings, monitor amplifier status, and transfer data via USB, and also features a panel locking function to keep your settings safe. Users can even export information such as internal devices and log data to USB for rapid troubleshooting should difficulties arise.

Yamaha PX8 Power Amplifier

General Specification

  • 100V models
    • Output power (1kHz Non-clip 20msec Burst Both channels driven): 1050W x 2
  • 120V models
    • Output power (1kHz Non-clip 20msec Burst Both channels driven): 1050W x 2
  • 220V-240V models
    • Output power (1kHz Non-clip 20msec Burst Both channels driven): 1050W x 2
  • Sampling frequency rate (Internal): 48kHz
  • A/D D/A converters: AD/DA: 24-bit linear, 128 times over sampling
  • Total harmonic distortion: 0.1 percent (1kHz, 10W), 0.3 percent (1kHz, Half power)
  • Frequency response: ±1.0dB (1W, 8ohm, 20Hz to 20kHz)
  • S/N ratio: 101dB (A-weighted, 8ohm, Gain setting = +14dBu)
  • Crosstalk: Less than -60dB (Half Power, 8ohm, 1kHz, Vol max input 150ohm shunt)
  • Voltage Gain/Sensitivity
    • 8ohm Volume max: 32.0dB/+8.3dBu (Gain setting: 32dB), 26.0dB/+14.3dBu (Gain setting: 26dB), 36.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu)
  • Maximum input voltage: +24dBu
  • Input impedance: 20kohm (Balance), 10kohm (Unbalance)
  • I/O connectors
    • Speaker output ports: Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4-inch PHONE(TS) x2
    • Line input: XLR-3-31 x2, 1/4-inch PHONE(TRS) x2
    • Others: USB 2.0 Standard-A Connector (Female) for Save/Load, Speaker preset update, Firmware update with USB memory; AC inlet x1 with AC cord clamp
  • Indicators: POWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature
  • Processors: Input summing; D-CONTOUR(FOH/MAIN, MONITOR, OFF); Delay(0 - 74msec); HPF/LPF(cutoff frequency 20Hz~20kHz with polarity control); Speaker Processor(6 band PEQ + Limiter + Delay)
  • Latency: 1.5 msec (Analog Input to Speakers)
  • Presets: 8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers)
  • Protection circuit
    • Load protection: POWER switch on/off: Output mute; Output voltage protection: Over voltage limiter, user configurable by wattage and speaker preset; DC-fault: Power Supply shutdown (NOT restored automatically)
  • Amplifier protection: Thermal: Output limiter (Restored automatically) → Output mute (Restored automatically); Over current: Output mute (Restored automatically); Over voltage: Output limiter (Restored automatically); Integrated Power Limit: Output limiter (Restored automatically)
  • Power supply protection: Thermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown
  • Amplifier class: Class D, Balanced output circuit (BTL)
  • Cooling: 16 step variable speed fan x 2, front to rear airflow
  • Power requirements: Depending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10 percent voltage.
  • Power consumption: 280W (1/8 MAX power, 4ohm, Pink noise at all channels), 60W (4ohm, Idling)
  • Dimensions (W x Dx H): 480 x 88 x 388 mm
  • Net weight: 15.87 lb
  • Operating temperature: 0-degree-C to +40-degree-C
  • Storage temperature: -20-degree-C to +60-degree-C

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