Details
Yamaha PX3 500W Power Amplifier
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.
Features:
- 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
Specifications:
| 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 |
| 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 |
| 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) | |
| Dimensions | W | 480mm (18-7/8") |
| H | 88mm (3-7/16"): 2U | |
| D | 388mm (15-2/8") | |
| Net weight | 6.9 kg (15.21 lbs) | |
| Accessories | 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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