เพาเวอร์แอมป์ YAMAHA PX3 Power Amplifier
เครื่องขยายเสียง YAMAHA PX-Series PX3, 300 วัตต์ per Channel at 8 Ohms, Class-D Amplifier, Digital Routing of Inputs & Outputs, PEQ, Crossover, Filters, Delay, D-Contour Multi-Band Dynamic Processing
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฿29,000.00 ฿23,200.00
Description
Yamaha PX3 Stereo Power Amplifier (300W at 8 Ohms)
เครื่องขยายเสียง YAMAHA PX-Series PX3, 300 วัตต์ per Channel at 8 Ohms, Class-D Amplifier, Digital Routing of Inputs & Outputs, PEQ, Crossover, Filters, Delay, D-Contour Multi-Band Dynamic Processing
Yamaha PX3 Stereo Power Amplifier delivers 300W 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 also 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 PX3 is built to withstand extended road use.
Features:
- 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
Specifications
| Output Power | 300 W per channel at 8 Ohms 500 W per channel at 4 Ohms 300 W per channel at 2 Ohms600 W one channel at 8 Ohms / Power Boost Mode 1000 W one channel at 4 Ohms / Power Boost Mode |
| Amplifier Type | Class-D, balanced output circuit (BLT) |
| THD + N | 0.1% at 1 kHz, 10 W 0.3% at 1 kHz, half power |
| Frequency Response | 20 Hz to 20 kHz, ±1.0 dB (1 W at 8 Ohms) |
| Crosstalk | ≤ -60 dB |
| S/N Ratio | 100 dB |
| Voltage Gain / Sensitivity | At 8 Ohms, Maximum Volume:
32.0 dB / +4.1 dBu (Gain Setting: 32 dB) At 8 Ohms, Maximum Volume, Power Boost Mode: 35.0 dB / +4.1 dBu (Gain Setting: 32 dB) |
| Cooling | 2 x 16-step variable-speed fan (front-to-rear flow) |
| Maximum Input Voltage | +24 dBu |
| Input Impedance | 20 kOhms (Balanced) 10 kOhms (Unbalanced) |
| Sampling Frequency | 48 kHz |
| Converters | A/D: 24-bit linear, 128 times over-sampling D/A: 24-bit linear, 128 times over-sampling |
| Signal Processing |
|
| Latency | 1.5 ms (analog input to speaker) |
| User Presets | 8 user presets |
| Factory Presets | Speaker presets for Yamaha passive speakers |
| Connectors | Analog Input 2 x XLR-3-31 2 x 1/4 TRSSpeakers 2 x Neutrik SpeakOn NL4 2 x pairs of binding posts 2 x 1/4″ TS1 x AC inlet with AC cord clamp1 x USB 2.0 type-A (female) |
| AC Power Requirements | 120 V / 60 Hz |
| Power Consumption | 160 W at 4 Ohms, 1/8 maximum power 55 W at 4 Ohms, Idle |
| Operating Temperature | 32 to 104°F / 0 to +40°C |
| Storage Temperature | -4 to 140°F / 0 to +40°C |
| Dimensions (W × H × D) | 18.90 x 3.46 x 15.25″ / 480 x 88 x 387.4 mm |
| Weight | 15.21 lb / 6.9 kg |
| Packaging Info | |
|---|---|
| Package Weight | 19.5 lb |
| Box Dimensions (LxWxH) | 21.75 x 21.75 x 7.5″ |
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