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Yamaha PX3 2X 500W @ 4 Ohms Power Amp

Code: PX3

Availability: Low stock

Old Price: $899.99
Reduced By: $221.99
RRP: $899.99
Price: $678.00

PX series models are 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 PX Series amplifiers supremely efficient amplifiers with low noise, reliable protection features, and above all, outstanding sound quality.

DSP for audio processing - Input Routing & Output Routing

Amp Mode allows user to configure the system without any difficulty by selecting the input routing and output routing. Totally 15 types of pattern can be selected.

  • Input routing (Dual/Parallel/Single/SUM)
  • Speaker System Structure
    FULL+FULL
    SUB+SUB
    FULL+SUB
    Bi-Amp
    Boost Full
    Boost Sub

Sophisticated Signal Processing

PX series models come with flexible onboard PEQ, crossover, filters, delay, and limiter 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 at any output level by tailoring the frequency response of each connected speaker for either front-of-house or monitor configurations.

220V-240V modelsPX3
Output power; 1kHz Non-clip 20msec Burst Both channels driven300W x 2
500W x 2
300W x 2
8Ω/Power Boost Mode600W x 1
4Ω/Power Boost Mode1000W x 1
General specificationsPX3
Sampling frequency rateInternal48kHz
A/D D/A ConvertersAD/DA: 24-bit linear, 128 times over sampling
Total harmonic distortion0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
Frequency response±1.0dB (1W, 8Ω, 20Hz to 20kHz)
S/N ratio100dB (A-weighted, 8Ω, Gain setting = +14dBu)
CrosstalkLess than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
Voltage Gain/Sensitivity8Ω Volume max32.0dB/+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 mode35.0dB/+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 impedance20kΩ (Balance), 10kΩ (Unbalance)
I/O ConnectorsSpeaker output portsNeutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2
Line InputXLR-3-31 x2, 1/4 "PHONE(TRS) x2
OthersUSB 2.0 Standard-A Connector (Female) for Save/Load, Speaker preset update, Firmware update with USB memory; AC inlet x1 with AC cord clamp
IndicatorsPOWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature
ProcessorsInput 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)
Latency1.5 msec (Analog Input to Speakers)
Presets8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers)
Protection circuitLoad protectionPOWER 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 protectionThermal: 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 protectionThermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown
Amplifier classClass D, Balanced output circuit (BTL)
Cooling16 step variable speed fan x 2, front to rear airflow
Power requirementsDepending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10% voltage.
Power consumption160W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, Idling)
DimensionsW480mm (18-7/8")
H88mm (3-7/16"): 2U
D388mm (15-2/8")
Net weight6.9 kg (15.21 lbs)
AccessoriesUSB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1
OthersUSB 2.0 Standard-A Connector (Female) for Save/Load, Speaker preset update, Firmware update with USB memory; AC inlet x1 with AC cord clamp