Yamaha PX-8 Power Amplifier

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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.

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SKU 20500988


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PX Series

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
 
 
PX10
 
PX8
 
PX5
 
PX3
Output power; 1kHz Non-clip 20msec Burst Both channels driven 1000W x 2 800W x 2 500W x 2 300W x 2
1200W x 2 1050W x 2 800W x 2 500W x 2
700W x 2 600W x 2 500W x 2 300W x 2
8Ω/Power Boost Mode - - 800W x 1 600W x 1
4Ω/Power Boost Mode - - 1200W x 1 1000W x 1
Output power; 1kHz Non-clip 20msec Burst Both channels driven 1000W x 2 800W x 2 500W x 2 300W x 2
1200W x 2 1050W x 2 800W x 2 500W x 2
700W x 2 600W x 2 500W x 2 300W x 2
8Ω/Power Boost Mode - - 800W x 1 600W x 1
4Ω/Power Boost Mode - - 1400W x 1 1000W x 1
Output power; 1kHz Non-clip 20msec Burst Both channels driven 1000W x 2 800W x 2 500W x 2 300W x 2
1200W x 2 1050W x 2 800W x 2 500W x 2
700W x 2 600W x 2 500W x 2 300W x 2
8Ω/Power Boost Mode - - 800W x 1 600W x 1
4Ω/Power Boost Mode - - 1400W x 1 1000W x 1
Sampling frequency rate Internal 48kHz 48kHz 48kHz 48kHz
A/D D/A Converters AD/DA: 24-bit linear, 128 times over sampling AD/DA: 24-bit linear, 128 times over sampling AD/DA: 24-bit linear, 128 times over sampling AD/DA: 24-bit linear, 128 times over sampling
Total harmonic distortion 0.1% (1kHz, 10W), 0.3% (1kHz, Half power) 0.1% (1kHz, 10W), 0.3% (1kHz, Half power) 0.1% (1kHz, 10W), 0.3% (1kHz, Half power) 0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
Frequency response ±1.0dB (1W, 8Ω, 20Hz to 20kHz) ±1.0dB (1W, 8Ω, 20Hz to 20kHz) ±1.0dB (1W, 8Ω, 20Hz to 20kHz) ±1.0dB (1W, 8Ω, 20Hz to 20kHz)
S/N ratio 101dB (A-weighted, 8Ω, Gain setting = +14dBu) 101dB (A-weighted, 8Ω, Gain setting = +14dBu) 100dB (A-weighted, 8Ω, Gain setting = +14dBu) 100dB (A-weighted, 8Ω, Gain setting = +14dBu)
Crosstalk Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt) Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt) Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt) Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
Voltage Gain/Sensitivity 8Ω Volume max 32.0dB/+9.3dBu (Gain setting: 32dB), 26.0dB/+15.3dBu (Gain setting: 26dB), 37.3dB/+4dBu (Gain setting: +4dBu), 27.3dB/+14dBu (Gain setting: +14dBu) 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) 32.0dB/+6.3dBu (Gain setting: 32dB), 26.0dB/+12.3dBu (Gain setting: 26dB), 34.3dB/+4dBu (Gain setting: +4dBu), 24.3dB/+14dBu (Gain setting: +14dBu) 32.0dB/+4.1dBu (Gain setting: 32dB), 26.0dB/+10.1dBu (Gain setting: 26dB), 32.1dB/+4dBu (Gain setting: +4dBu), 22.1dB/+14dBu (Gain setting: +14dBu)
8Ω Volume max /Power Boost mode - - 34.0dB/+6.3dBu (Gain setting: 32dB), 28.0dB/+12.3dBu (Gain setting: 26dB), 36.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu) 35.0dB/+4.1dBu (Gain setting: 32dB), 29.0dB/+10.1dBu (Gain setting: 26dB), 35.1dB/+4dBu (Gain setting: +4dBu), 25.1dB/+14dBu (Gain setting: +14dBu)
Maximum input voltage +24dBu +24dBu +24dBu +24dBu
Input impedance 20kΩ (Balance), 10kΩ (Unbalance) 20kΩ (Balance), 10kΩ (Unbalance) 20kΩ (Balance), 10kΩ (Unbalance) 20kΩ (Balance), 10kΩ (Unbalance)
I/O Connectors Speaker output ports Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2 Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2 Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2 Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2
Line Input XLR-3-31 x2, 1/4 "PHONE(TRS) x2 XLR-3-31 x2, 1/4 "PHONE(TRS) x2 XLR-3-31 x2, 1/4 "PHONE(TRS) x2 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 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 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 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 POWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature POWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature 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) 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) 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) 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) 1.5 msec (Analog Input to Speakers) 1.5 msec (Analog Input to Speakers) 1.5 msec (Analog Input to Speakers)
Presets 8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers) 8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers) 8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers) 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) 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) 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) 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) 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) 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) 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 Thermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown Thermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown 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) Class D, Balanced output circuit (BTL) Class D, Balanced output circuit (BTL) Class D, Balanced output circuit (BTL)
Cooling 16 step variable speed fan x 2, front to rear airflow 16 step variable speed fan x 2, front to rear airflow 16 step variable speed fan x 2, front to rear airflow 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. Depending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10% voltage. Depending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10% voltage. 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 310W (1/8 MAX power, 4Ω, Pink noise at all channels), 60W (4Ω, Idling) 280W (1/8 MAX power, 4Ω, Pink noise at all channels), 60W (4Ω, Idling) 230W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, Idling) 160W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, Idling)
Dimensions W 480mm (18-7/8") 480mm (18-7/8") 480mm (18-7/8") 480mm (18-7/8")
H 88mm (3-7/16"): 2U 88mm (3-7/16"): 2U 88mm (3-7/16"): 2U 88mm (3-7/16"): 2U
D 388mm (15-2/8") 388mm (15-2/8") 388mm (15-2/8") 388mm (15-2/8")
Net weight 7.4 kg (16.31 lbs) 7.2 kg (15.87 lbs) 6.9 kg (15.21 lbs) 6.9 kg (15.21 lbs)
Accessories USB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1 USB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1 USB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1 USB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1
Others Operating Temperature: 0°C to +40°C, Storage temperature: -20°C to +60°C Operating Temperature: 0°C to +40°C, Storage temperature: -20°C to +60°C Operating Temperature: 0°C to +40°C, Storage temperature: -20°C to +60°C Operating Temperature: 0°C to +40°C, Storage temperature: -20°C to +60°C

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