Amplificateur de Puissance 2x300w YAMAHA PX3 8OHMS

2x 300W sous 8O
2x 500W sous 4O
Nouvelle amplification classe D avec circuit LSI customisé
Correcteurs paramétriques, crossover, filtres, delais, et limiteurs intégrés
Presets pour enceintes Yamaha
Fonctions de sauvegarde et sécurité
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, 8O, 20Hz to 20kHz)
S/N ratio
100dB (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/+4.1dBu (Gain setting: 32dB), 26.0dB/+10.1dBu (Gain setting: 26dB), 32.1dB/+4dBu (Gain setting: +4dBu), 22.1dB/+14dBu (Gain setting: +14dBu)
8O 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
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
160W (1/8 MAX power, 4O, Pink noise at all channels), 55W (4O, 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