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Yamaha – PX8 2 Channel Amplifier

Yamaha

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.

SKU: PX-8 Categories: , ,

Description

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.

Features

  • High power and efficient design: 1050W (Stereo, into 4Ω)
  • Driven by a newly developed Class-D amplifier engine.
  • Stable 2-ohm drive capability.
  • Supremely efficient amplifiers with low noise, reliable protection features.
  • Amp Mode allows the user to configure the system without difficulty by selecting the input routing and output routing.
  • Sophisticated signal processing allowing users to achieve consistent clarity and high-quality sound for either front-of-house or monitor configurations.
  • Eight programmable presets for instant recall and reduced setup time that can be saved to a USB thumb drive and shared with other PX amplifiers.
  • Presets specifically tuned for each model in Yamaha’s extensive lineup of passive speakers.
  • A variety of input and output terminals.
  • Panel locking function to keep your settings safe.

Additional information

Weight 7.2 kg
Dimensions 48 × 8.8 × 38.8 cm
100V models

Output power; 1kHz Non-clip 20msec Burst Both channels driven:

8Ω: 800W x 2
4Ω: 1050W x 2
2Ω: 600W x 2
8Ω/Power Boost Mode: –
4Ω/Power Boost Mode: –
120V models

Output power; 1kHz Non-clip 20msec Burst Both channels driven:

8Ω: 800W x 2
4Ω: 1050W x 2
2Ω: 600W x 2
8Ω/Power Boost Mode: –
4Ω/Power Boost Mode: –
220V-240V models

Output power; 1kHz Non-clip 20msec Burst Both channels driven:

8Ω: 800W x 2
4Ω: 1050W x 2
2Ω: 600W x 2
8Ω/Power Boost Mode: –
4Ω/Power Boost Mode: –
Sampling frequency rate

Internal: 48kHz
A/D D/A Converters

AD/DA: 24-bit linear, 128 times over sampling
Total harmonic distortion

0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
Frequency response

±1.0dB (1W, 8Ω, 20Hz to 20kHz)
S/N ratio

101dB (A-weighted, 8Ω, Gain setting = +14dBu)
Crosstalk

Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
Voltage Gain/Sensitivity 8Ω 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

20kΩ (Balance), 10kΩ (Unbalance)
I/O Connectors

Speaker output ports: Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2 Line Input: XLR-3-31 x2, 1/4 "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)
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% voltage.
Power consumption

280W (1/8 MAX power, 4Ω, Pink noise at all channels), 60W (4Ω, Idling)

Downloads

Data Sheet Download
User Guide Download