Yamaha PX5 - digital power amplifier that combines intelligent processing with a high output power of 500W x 2 at 8Ω / 800W x 2 at 4Ω. Class D amplification, with custom LSI, built-in flexible PEQ, crossover, filters, delay and limiter functions. Offers speaker presets for optimal performance of the speakers, DSP functions, D-contour processing.
- Output power: 1kHz Non-clip 20msec Burst both channels used:
- 8Ω - 500W x 2
- 4Ω - 800W x 2
- 2Ω - 500W x 2
- 8Ω/in Power Boost mode - 800W x 1
- 4Ω/in Power Boost mode - 1400W x 1
- Internal sampling rate: 48kHz
- A/D D/A converters: 24-bit linear, 128 times oversampling
- Total harmonic distortion: 0.1% (1kHz, 10W), 0.3% (1kHz at half power)
- Frequency response: ±1.0dB (1W, 8Ω, 20Hz to 20kHz)
- Signal-to-noise ratio: 100dB (A-weighted, 8Ω, Gain setting = +14dBu)
- Crosstalk: less than -60dB (half power, 8Ω, 1kHz, Max input volume 150Ω shunt)
- Voltage Gain/Sensitivity:
- 8Ω at Max Volume: 32.0dB/+6.3dB (Gain setting: 32dB), 26.0dB/+12.3dB (Gain setting: 26dB), 34.3dB/+4dB (Gain setting: +4dB), 24.3dB/+14dB (Gain setting: +14dB)
- 8Ω at Max Volume/in Power Boost mode: 34.0dB/+6.3dB (Gain setting: 32dB), 28.0dB/+12.3dB (Gain setting: 26dB), 36.3dB/+4dB (Gain setting: +4dB), 26.3dB/+14dB (Gain setting: +14dB)
- Maximum input voltage: +24dB
- Input impedance: 20kΩ (balanced), 10kΩ (unbalanced)
- Input/output connectors:
- Speaker output: Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" jack (TS) x2
- Line input: XLR-3-31 x2, 1/4" stereo jack (TRS) x2
- Others: USB 2.0 Standard-A port (female) for saving/loading speaker preset updates, Firmware update with USB memory; AC power connector x1
- Indicators: POWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Indicators also feature Auto LED off function.
- Processors:
- Input summation; D-CONTOUR(FOH/MAIN, MONITOR, OFF); Delay(0 - 74msec); HPF/LPF(cutoff frequency 20Hz~20kHz with polarity control); speaker processors (PEQ with 6 bands + Limiter + Delay)
- Latency: 1.5 msec (Analog input to speakers)
- Presets: 8 user amplifier presets (factory presets): presets for Yamaha passive speakers)
- Protection circuits:
- Load protection:
- POWER switch on/off: Output mute;
- Output voltage protection: overvoltage limiting, user-configurable, by W and speaker preset;
- DC-fault: power shutdown (does not restart automatically)
- Amplifier protections:
- Thermal: output limiter (automatically restarts) → Output mute (automatically restarts);
- Overcurrent: Output mute (automatically restarts);
- Overvoltage: Output limiter (automatically restarts);
- Integrated power limiter: Output limiter (automatically restarts)
- Power supply protections
- Thermal: Output limiter (automatically restarts) → power disconnection;
- Overvoltage: power disconnection;
- Overcurrent: power disconnection
- Amplification class: Class D, balanced output circuit (BTL)
- Cooling: variable speed fan in 16 steps x 2, front-to-back airflow circuit
- Power requirements: 220V-240V 50Hz/60Hz
- Power consumption: 230W (1/8 of maximum power, 4Ω, Pink noise on all channels), 55W (4Ω, Idling)
- Dimensions (WxHxD): 480 x 88 x 388mm
- Weight: 6.9 kg
- Accessories: USB cover, user manual, technical sheet, AC power cable (2.0m) x 1
- Optimal operating temperature: 0°C to +40°C
