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Table of Contents
- 1 Evolution from E-560 to E-600
- 2 Precise and Well-Designed Volume Sensor Mechanism
- 3 AAVA Is Re-Designed to Achieve Low Noise
- 4 The Damping-Factor Is an Index of Speaker Driving Ability
- 5 Remote-Sensing Technique and Balanced Remote-Sensing
- 6 MOS-FET Switch Is Mounted on the Speaker Protection
- 7 E-600 Accepts the New Digital Input Board, DAC-40
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Table of Contents
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Summary of Contents for Accuphase E-600
- Page 1 E-600 is a succession model of E-560 and flag ship integrated amplifier of Accuphase. We name it E-600 instead of E-five hundred something because the progress is more than ‘change of model’.
- Page 2 The big difference in appearance is LED bar graph meters instead of needle meters.
- Page 3 Precise and well-designed volume sensor mechanism is installed. The volume mechanism is modified from C-2820’s. It is consisted of CNC machining aluminum block, extra- thick shaft and so on. The volume knob provides very smooth touch and feel. The drive sound by a remote commander becomes more silent than before.
- Page 4 AAVA in E-600 achieves low noise by the paralleled buffer amplifier and paralleled V-I converter in larger two units. Then the input stage of power amplifier is low-noised. As a result, the overall noise of E-600 is 56%(-5dB) of E- 560.
- Page 5 By using Balanced Remote-sensing, MOS-FET switch and Low impedance components, E-600 achieves higher Damping-factor than E-560. E-560 is 200 and E-600 is 500. It is 2.5 times higher. *Damping-factor = 8 ohm / Zo Zo : Output impedance of amplifier...
- Page 6 Remote-sensing is the technique to lower the output impedance of amplifier by the negative feedback with signal sensing from close up the speaker terminals. Balanced Remote-sensing is the technique to make impedance even lower by GND sensing and the negative feedback of GND level with adding the signal sensing.
- Page 7 MOS-FET switch is mounted on the speaker protection. Generally, a mechanical relay is used for the power-amp output for speaker protection. E-600 replaces a mechanical relay with MOS-FET switch. As a result, the reliability, Damping-factor and sound quality is improved.
- Page 8 E-600 accepts the new digital input board, DAC-40. You can see the figure of music signal sampling frequency input into DAC-40 on the front panel display. Balanced-type input and output are additionally equipped as Pre-Output and Power-Input. The remote commander is elegant and high-quality.
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