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Yamaha PX8 Power Amplifier
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Yamaha PX8 Power Amplifier Yamaha PX8 Power Amplifier Yamaha PX8 Power Amplifier Yamaha PX8 Power Amplifier

Yamaha PX8 Power Amplifier

Manufacturer: Yamaha


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Quick Overview

Yamaha PX8 Power Amplifier

Intelligent Processing. Serious Power.

Since the 1976 release of the P2200, our first professional power amplifier, Yamaha has strived to achieve the highest possible levels of sound quality, power output, and reliability in sound reinforcement, studio, and installed applications. The new PX series power amplifiers continue this tradition of excellence, utilizing Yamaha’s renowned digital signal processing technology and unparalleled professional audio expertise to achieve a light, durable design, capable of delivering maximum output power to the speakers while simultaneously protecting them with optimized processing. Driven by a newly-developed Class-D amplifier the four new models that make up the PX series are suitable for a broad range of sound reinforcement and installation environments.

The versatile PX series power amplifiers lineup combines intelligent processing with high output power to meet the requirements of a vast range of sound reinforcement environments. 800W x 2 at 8Ω / 1050W x 2 at 4Ω.

  • 2x 800W at 8Ω
  • 2x 1050W at 4Ω
  • Newly developed Class-D amplifier engine with a custom LSI
  • Flexible onboard PEQ, crossover, filters, delay, and limiter functions
  • Yamaha Speaker presets
  • Utlities for safe and secure operation

Yamaha PX8 specs

Output Power800 W per channel at 8 Ohms
1050 W per channel at 4 Ohms
600 W per channel at 2 Ohms
Amplifier TypeClass-D, balanced output circuit (BLT)
THD + N0.1% at 1 kHz, 10 W
0.3% at 1 kHz, half power
Frequency Response20 Hz to 20 kHz, ±1.0 dB (1 W at 8 Ohms)
Crosstalk≤ -60 dB
S/N Ratio101 dB
Voltage Gain / SensitivityAt 8 Ohms, Maximum Volume:

32.0 dB / +8.3 dBu (Gain Setting: 32 dB)
26.0 dB / +14.3 dBu (Gain Setting: 26 dB)
36.3 dB / +4 dBu (Gain Setting: 4 dB)
26.3 dB / +14 dBu (Gain Setting: 14 dB)
Cooling2 x 16-step variable-speed fan (front-to-rear flow)
Maximum Input Voltage+24 dBu
Input Impedance20 kOhms (Balanced)
10 kOhms (Unbalanced)
Sampling Frequency48 kHz
ConvertersA/D: 24-bit linear, 128 times over-sampling
D/A: 24-bit linear, 128 times over-sampling
Signal Processing
  • Input summing
  • D-contour: FOH / MAIN
  • Monitor
  • OFF
  • Delay: 0 to 74 ms
  • HPF / LPF: cutoff frequency 20 Hz to 20 kHz with polarity control
  • Speaker Processor: 6-band PEQ / limiter / delay


Latency1.5 ms (analog input to speaker)
User Presets8 user presets
Factory PresetsSpeaker presets for Yamaha passive speakers
ConnectorsAnalog Input
2 x XLR-3-31
2 x 1/4 TRS

2 x Neutrik SpeakOn NL4
2 x pairs of binding posts
2 x 1/4" TS

1 x AC inlet with AC cord clamp

1 x USB 2.0 Type-A (female)
AC Power Requirements120 VAC / 60 Hz
Power Consumption280 W at 4 Ohms, 1/8 maximum power
60 W at 4 Ohms, Idle
Operating Temperature32 to 104°F / 0 to +40°C
Storage Temperature-4 to 140°F / -20 to +60°C
Dimensions (W × H × D)18.90 x 3.46 x 15.25" / 480 x 88 x 387.4 mm
Weight15.87 lb / 7.2 kg

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