PX3

PX3

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. 300W x 2 at 8Ω / 500W x 2 at 4Ω.

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Description

  • 2x 300W at 8Ω
  • 2x 500W 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

PX3
Output power; 1kHz Non-clip 20msec Burst Both channels driven 8Ω 300W x 2
4Ω 500W x 2
2Ω 300W x 2
8Ω/Power Boost Mode – 600W x 1
4Ω/Power Boost Mode – 1000W x 1
Output power; 1kHz Non-clip 20msec Burst Both channels driven 8Ω 300W x 2
4Ω 500W x 2
2Ω 300W x 2
8Ω/Power Boost Mode – 600W x 1
4Ω/Power Boost Mode – 1000W x 1
Output power; 1kHz Non-clip 20msec Burst Both channels driven 300W x 2
4Ω 500W x 2
2Ω 300W x 2
8Ω/Power Boost Mode – 600W x 1
4Ω/Power Boost Mode – 1000W x 1
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 100dB (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/+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 – 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
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
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)
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% voltage.
Power consumption 160W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, Idling)
Dimensions W 480mm (18-7/8″)
88mm (3-7/16″): 2U
D 388mm (15-2/8″)
Net weight 6.9 kg (15.21 lbs)
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
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