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YAMAHA PX8

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37,000 ฿

รหัส : PX8
ยี่ห้อ : YAMAHA
รุ่น : PX8
Color/ สีของสินค้า :
รายละเอียดย่อ :
เครื่องขยายเสียง 2x 800W at 8Ω, 2x 1050W at 4Ω, Class-D amplifier, PEQ, crossover, filters, delay, and limiter functions, 2U
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YAMAHA PX8 เครื่องขยายเสียง 2x 800W at 8Ω, 2x 1050W at 4Ω, Class-D amplifier, PEQ, crossover, filters, delay, and limiter functions, 2U

  • 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

General specifications

Sampling frequency rateInternal48kHz
A/D D/A ConvertersAD/DA: 24-bit linear, 128 times over sampling
Total harmonic distortion0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
Frequency response±1.0dB (1W, 8Ω, 20Hz to 20kHz)
S/N ratio101dB (A-weighted, 8Ω, Gain setting = +14dBu)
CrosstalkLess than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
Voltage Gain/Sensitivity8Ω Volume max32.0dB/+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 impedance20kΩ (Balance), 10kΩ (Unbalance)
I/O ConnectorsSpeaker output portsNeutrik speakON NL4 x2, Binding post x2 pairs, 1/4″ PHONE(TS) x2
Line InputXLR-3-31 x2, 1/4 “PHONE(TRS) x2
OthersUSB 2.0 Standard-A Connector (Female) for Save/Load, Speaker preset update, Firmware update with USB memory; AC inlet x1 with AC cord clamp
IndicatorsPOWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature
ProcessorsInput 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)
Latency1.5 msec (Analog Input to Speakers)
Presets8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers)
Protection circuitLoad protectionPOWER 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 protectionThermal: 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 protectionThermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown
Amplifier classClass D, Balanced output circuit (BTL)
Cooling16 step variable speed fan x 2, front to rear airflow
Power requirementsDepending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10% voltage.
Power consumption280W (1/8 MAX power, 4Ω, Pink noise at all channels), 60W (4Ω, Idling)

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