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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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  • 100V models (Output power; 1kHz Non-clip 20msec Burst Both channels driven)
    • 8Ω: 300Wx2
    • 4Ω: 500Wx2
    • 2Ω: 300Wx2
    • 8Ω/Power Boost Mode: 600Wx1
    • 4Ω/Power Boost Mode:1000Wx1
  • 120V models (Output power; 1kHz Non-clip 20msec Burst Both channels driven
    • 8Ω: 300Wx2
    • 4Ω: 500Wx2
    • 2Ω: 300Wx2
    • 8Ω/Power Boost Mode: 600Wx1
    • 4Ω/Power Boost Mode:1000Wx1
  • 220V-240V models (Output power; 1kHz Non-clip 20msec Burst Both channels driven)
    • 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 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/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 impedance20kΩ (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
  • 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 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 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)
  • Dimensions (WxHxD)18-7/8 x 3-7/16 (2U) x 15-2/8 inches (480 x 88 x 388mm)
  • Net weight15.21 lbs (6.9 kg)
  • Operating Temperature 0°C to +40°C
  • Storage Temperature-20°C to +60°C

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