• Yamaha PX3 Dual Channel Power Amplifier
  • Yamaha PX3 Dual Channel Power Amplifier back
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Yamaha PX3 Dual Channel Power Amplifier

Yamaha PX3 Dual Channel Power Amplifier

SoundPro Item: 76088 | Part Number: PX3

$689.99
$958.00 $689.99
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MSRP: $958.00 | MAP: $689.99

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  • Dual Channel Power Amplifier
  • Designed for a wide range of sound reinforcement applications
  • Set up your sound effortlessly, without the need for outboard gear
  • Newly developed Class-D amplifier engine with a custom LSI
  • Flexible onboard PEQ, crossover, filters, delay, and limiter functions
  • Utilities for safe and secure operation
  • 2x 300W at 8Ω
  • 2x 500W at 4Ω
  • Yamaha Speaker presets
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Part of Yamaha’s PX series, the PX3 is a dual channel power amplifier designed for a wide range of sound reinforcement applications.

This amp is equipped with Power Boost Mode, which combines the power output from two channels into one so you can enjoy higher single-channel power levels to drive high power handling speakers as necessary (the number of channels available is halved).

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Specifications

Dimensions
Dimensions (WxHxD)
18-7/8 x 3-7/16 (2U) x 15-2/8 inches (480 x 88 x 388mm)
Weight
Net Weight
15.21 lbs (6.9 kg)
Electrical
Maximum Input Voltage
+24dBu
Output Voltage Protection
Over voltage limiter, user configurable by wattage and speaker preset
Over Current
Output mute (Restored automatically)
Over Voltage
Output limiter (Restored automatically)
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)
Audio
Total Harmonic Distortion
0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
Frequency Response
±1.0dB (1W, 8Ω, 20Hz to 20kHz)
Crosstalk
Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
Input Impedance
20kΩ (Balance), 10kΩ (Unbalance)
Connectivity
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
Construction
Amplifier Class
Class D, Balanced output circuit (BTL)
Environmental
Operating Temperature
0°C to +40°C
Storage Temperature
-20°C to +60°C
General
8Ω
300Wx2
4Ω
500Wx2
2Ω
300Wx2
8Ω/Power Boost Mode
600Wx1
4Ω/Power Boost Mode
1000Wx1
Sampling Frequency Rate (Internal)
48kHz
A/D D/A Converters
AD/DA: 24-bit linear, 128 times over sampling
S/N Ratio
100dB (A-weighted, 8Ω, Gain setting = +14dBu)
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)
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)
Presets
8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers)
POWER Switch on/off
Output mute
DC-fault
Power Supply shutdown (NOT restored automatically)
Thermal
Output limiter (Restored automatically) → Output mute (Restored automatically)
Integrated Power Limit
Output limiter (Restored automatically)
Cooling
16 step variable speed fan x 2, front to rear airflow
Audio Performance
Latency
1.5 msec (Analog Input to Speakers)

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