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YAMAHA PX5 เครื่องขยายเสียง เพาเวอร์แอมป์ กำลังขับ 500 วัตต์ x 2 ที่ 8 โอห์ม, 800 วัตต์ x 2 ที่ 4 โอห์ม
เครื่องขยายเสียง 500 วัตต์ Yamaha PX5 Stereo Power Amplifier delivers 500W at 8 Ohms in a lightweight chassis and is suitable for a wide variety of sound-reinforcement applications. Part of the company’s PX Series of power amplifiers, it features a Class-D engine with a single custom LSI chip, and uses PLL technology for higher efficiency and lower noise. The Power Boost mode combines the power output from two channels into one, achieving significantly higher single-channel power levels (the number of channels available is then halved)
The on-board DSP functions include a PEQ, a delay, a crossover, and a limiter. They allow for detailed configuration of parameters such as input & output routing, input sensitivity, amp gain, and speaker impedance. The D-Control multi-band dynamic processor delivers a clear and consistent sound at any output level by shaping the frequency response of each speaker for either front-of-house or monitor configurations.
The Configuration Wizard helps save time during setup by assigning optimized speaker settings that match your system configuration. It can be used in basic mode for quick setup or advanced mode for more precise control over DSP parameters. You can store up to eight presets, which can be saved to a USB drive for use with other amplifiers and setups.
For secure operation, the panel-locking function ensures that your settings remain safe. With its sturdy frame and carrying handle, the PX5 is built to withstand extended road use.
Features: เครื่องขยายเสียง 500 วัตต์
- Class-D amplifier engine with single custom LSI chip and PLL technology
- Power Boost Mode combines the power output from two channels into one
- Configuration Wizard allows for configuration of the system by assigning optimized speaker settings which can be saved as presets
- Digital routing of inputs & output (dual, parallel, single & SUM)
- DSP functions include PEQ, crossover, filters, delay & limiter, accessed via an LCD display
- D-Contour multi-band dynamic processing shapes the frequency response of speakers for specific applications
- Basic mode for quick setup and Advanced mode for more precise control
- Flexible connectivity with XLR & 1/4″ TRS inputs and binding post, SpeakON & 1/4″ TS outputs
- Presets can be saved to USB drive for use with other amplifiers and setups, Panel-locking function to keep settings safe
- Two 16-step variable-speed fans, Lightweight chassis
Specs.
100V models
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 500W x 2 |
|---|---|---|
| 4Ω | 800W x 2 | |
| 2Ω | 500W x 2 | |
| 8Ω/Power Boost Mode | 800W x 1 | |
| 4Ω/Power Boost Mode | 1200W x 1 |
120V models
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 500W x 2 |
|---|---|---|
| 4Ω | 800W x 2 | |
| 2Ω | 500W x 2 | |
| 8Ω/Power Boost Mode | 800W x 1 | |
| 4Ω/Power Boost Mode | 1400W x 1 |
220V-240V models
| Output power; 1kHz Non-clip 20msec Burst Both channels driven | 8Ω | 500W x 2 |
|---|---|---|
| 4Ω | 800W x 2 | |
| 2Ω | 500W x 2 | |
| 8Ω/Power Boost Mode | 800W x 1 | |
| 4Ω/Power Boost Mode | 1400W x 1 |
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 | 100dB (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/+6.3dBu (Gain setting: 32dB), 26.0dB/+12.3dBu (Gain setting: 26dB), 34.3dB/+4dBu (Gain setting: +4dBu), 24.3dB/+14dBu (Gain setting: +14dBu) |
| 8Ω Volume max /Power Boost mode | 34.0dB/+6.3dBu (Gain setting: 32dB), 28.0dB/+12.3dBu (Gain setting: 26dB), 36.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu) | |
| 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 | 230W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, 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 | |
