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- 2x 800W at 8Ω
- 2x 1050W 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
| Weight | 7.2 kg |
|---|---|
| Dimensions | 15 × 18 × 3 cm |
Specifications
| PX8 | ||||
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 800W x 2 | ||
| 4Ω | 1050W x 2 | |||
| 2Ω | 600W x 2 | |||
| 8Ω/Power Boost Mode | – | |||
| 4Ω/Power Boost Mode | – | |||
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 800W x 2 | ||
| 4Ω | 1050W x 2 | |||
| 2Ω | 600W x 2 | |||
| 8Ω/Power Boost Mode | – | |||
| 4Ω/Power Boost Mode | – | |||
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 800W x 2 | ||
| 4Ω | 1050W x 2 | |||
| 2Ω | 600W x 2 | |||
| 8Ω/Power Boost Mode | – | |||
| 4Ω/Power Boost Mode | – | |||
| 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 | 101dB (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/+8.3dBu (Gain setting: 32dB), 26.0dB/+14.3dBu (Gain setting: 26dB), 36.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu) | ||
| 8Ω Volume max /Power Boost mode | – | |||
| 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 | 280W (1/8 MAX power, 4Ω, Pink noise at all channels), 60W (4Ω, Idling) | |||
| Dimensions | W | 480mm (18-7/8″) | ||
| H | 88mm (3-7/16″): 2U | |||
| D | 388mm (15-2/8″) | |||
| Net weight | 7.2 kg (15.87 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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