Description
Unleash the power of professional sound reinforcement with the Yamaha PX3 Class D Power Amplifier. Delivering an impressive 2x500W at 4Ω, this amplifier boasts a newly developed Class-D engine with custom LSI for top-notch performance. Equipped with flexible onboard PEQ, crossover, filters, delay, and limiter functions, the PX3 ensures precise audio control. Benefit from Yamaha Speaker presets and utilities for secure operation. The Yamaha PX3 is the go-to choice for versatile power amplification needs.
Product Features:
- 2x 300W at 8Ω / 2x 500W at 4Ω
- Newly developed Class-D amplifier engine with custom LSI
- Flexible onboard PEQ, crossover, filters, delay, and limiter functions
- Yamaha Speaker presets
- Utilities for safe and secure operation
Product Specifications
General
- Internal Sampling Frequency Rate: 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
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
- 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
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)
Presets
- 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)
Physical & Dimensions
- Height: 88mm
- Width: 480mm
- Depth: 388mm
- Weight: 6.9kg