integrated stereo amplifier e-270 - planet audio€¦ · · 2016-12-10rated output power...
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Integrated Stereo AmplifierE-270
Accuphase Laboratory, Inc.
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Improvement of power supply Increased custom made capacitors
22,000F x 2 pieces 30,000F x 2 pieces
Accuphase Laboratory, Inc.E-260 E-270
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Rated output power Class-AB 120W / channel into 4
8E-260 90W
Accuphase Laboratory, Inc.
8
4
E-270 90W
E-270 120W
E-260 115W
4% up
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Ultra Low Noise Lower noise than the former model E-260
Actual noise voltage of speaker output: [email protected] position: -30dB
Accuphase Laboratory, Inc.
35V
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45V
23% downActual output noise voltage
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Technology for ultra low noise AAVA re-designed for low noise
Paralleled V-I converter in larger two units Low-impedance feedback network I-V converter
ParalleledParalleledParalleledParalleled
Accuphase Laboratory, Inc.
AAVA: Accuphase Analog Vari-gain Amplifier
I-V converter
Low impedanceLow impedanceLow impedanceLow impedance
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Technology for ultra low noise Re-designed power amplifier for low noise
Low-impedance feedback network
Low impedanceLow impedanceLow impedanceLow impedance
Accuphase Laboratory, Inc.
Power amplifier block with instrumentation amplifier configuration
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Super high Damping-Factor Two times higher than E-260
Damping Factor: 400 guaranteed
100% up
Accuphase Laboratory, Inc.
400
800
200
Guaranteed Damping-Factor
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Balanced Remote-sensing Feedback from speaker terminal proximity Signal-line and GND-line sensing
Signal sensing
Technology for high DF
Accuphase Laboratory, Inc.
Signal sensing
Speaker terminal
Power Amplifier
+
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Signal
GND
GND sensing
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Speaker protection equipped with MOSFET Short signal path configuration
Technology for high DF
Accuphase Laboratory, Inc.Protection AssemblyOn-resistance: 2.6 m
MOS-FET switch
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Ready for the option board DAC-40 Sampling frequency on the front display Possible to choose input source manually
Further more
Accuphase Laboratory, Inc.
high-quality remote commander
Multi function display Input selector for DAC