Description

Accuphase  PS-530 Clean Power Supply

The power supply delivers the energy your audio equipment uses for music playback. Accuphase PS-550 Clean Power Supply provide a power source with minimum noise and distortion. It utilises a groundbreaking waveform shaping technology that compares the power supply’s waveform to a reference waveform, then supplements insufficiencies and removes any excess misshaping. The results of waveform shaping are then observable in a new waveform display. The PS-550 delivers impressive improvements in audio quality, making it an essential supplement to fine audio equipment.

Clean output waveforms:

The waveform shaping process Figure 1 shows the waveform for power and its harmonics supplied in a typical home. These typical power supply waveforms are distorted and contain unwanted harmonics. When these harmonics find their way into the audio equipment, they interfere with the audio signals and degrade the sound quality. Figure 2 shows the output waveform from the PS-550 and its harmonics. Third order harmonics have been reduced from –40 dB to –80 dB. This is how the PS-550 significantly reduces harmonics in the output sine waves and minimize distortion.

Three stages of noise elimination:

The Accuphase  PS-550 features three stages of noise elimination. In the first stage, a line filter removes noise components from digital devices and other similar equipment. The second stage involves a shielded toroidal power transformer, which eliminates common mode noise. The third stage consists of a waveform correction amp, which uses waveform shaping to generate an extremely clean power supply.

Waveform shaping to achieve high efficiency and low noise:

Waveforms are shaped as pure AC with no conversion to DC, which helps improve efficiency. And because the PS-550 does not rely on oscillators, the risk of generating high-frequency noise has been eliminated.

• Input /output waveform display
• Output power meter
• Input/output voltage meter
• Input/output distortion meter
• Massive output capacity
• 0.08% total harmonic distortion waveform shaping
• High-grade output voltage correction
• Numerous output terminals
• High-sensitivity protection circuitry
• Large high-efficiency toroidal transformer
• Large filtering capacitors

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To view the larger companion to this unit go to Accuphase PS-1250

For more information on this model head over to Accuphase Laboratory