AMPLI PUISSANCE YAMAHA PX8 2X800W 8 OHMS

La série des amplificateurs PX combine le traitement intelligent avec une puissance de sortie élevée pour répondre aux exigences d'une vaste gamme d'applications de sonorisation. 2x 800W sous 8O / 2x 1050W sous 4O CARACTERISTIQUES TECHNIQUES : 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, 8O, 20Hz to 20kHz) S/N ratio 101dB (A-weighted, 8O, Gain setting = +14dBu) Crosstalk Less than -60dB (Half Power, 8O, 1kHz, Vol max input 150O shunt) Voltage Gain/Sensitivity 8O 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) Maximum input voltage +24dBu Input impedance 20kO (Balance), 10kO (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, 4O, Pink noise at all channels), 60W (4O, 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