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| Yamaha PX8 Specifications | |
|---|---|
| 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 (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 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% |
| Power consumption | 280W (1/8 MAX power, 4Ω, Pink noise at all channels), 80W (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 |
| Output Power (1kHz Non-clip 20msec Burst, Both channels driven) | |
| 100V models | 8Ω: 800W x 2 4Ω: 1050W x 2 2Ω: 600W x 2 |
| 120V models | 8Ω: 800W x 2 4Ω: 1050W x 2 2Ω: 600W x 2 |
| 220V-240V models | 8Ω: 800W x 2 4Ω: 1050W x 2 2Ω: 600W x 2 |
| General Specifications | |
| 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/+9.3dBu (Gain setting: 32dB), 26.0dB/+15.3dBu (Gain setting: 26dB), 37.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu) |
| Maximum input voltage | +24dBu |
| Input impedance | 20kΩ (Balanced), 10kΩ (Unbalanced) |
| 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 with AC cord clamp |
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