ACCUPHASE E270

E-270 là Ampli tích hợp nhỏ nhất của Accuphase. Công suất 90W/ 2 kênh và 120W (4Ohm)/ 2 kênh. Ampli có mạch điều khiển volume AAVA và damping factor lên dến 400, bảo đảm chất lượng âm thanh xuất sắc nhất.

Detail

Revolutionary AAVA volume control. A power amplifier section featuring high power transistors in parallel push-pull configuration, complemented by a robust power supply and low impedance output stage. 120 watts of quality power into 4 ohms, with a damping factor of 400. Current feedback amplifier topology assures excellent phase characteristics in the high range, and instrumentation amplifier principle enables fully balanced signal paths. Power MOS-FET switches in the protection circuitry eliminate the need for mechanical contacts.
Pursuit of performance and sound quality results in capability well beyond its class, approaching the level of separate type amplifiers.

Revolutionary AAVA volume control.

• Output stage with high-power transistors in parallelpush-pull arrangement delivers high quality power: 90 watts x 2 into 8 ohms.
• Power amplifier stage features instrumentation amplifier configuration for balanced signal transmission.
• Logic-control relays for shortest signal paths.
• Strong power supply with massive high-efficiency transformer and large filtering capacitors.
• MAIN IN button allows separate use of preamplifier and power amplifier sections.
• Numeric indication of volume level.

Thông số kỹ thuật ACCUPHASE E270

• Continuous Average Output Power (both channels driven, 20-20,000 Hz): 120 watts per channel into 4 ohms, 105 watts per channel into 6 ohms, 90 watts per channel into 8 ohms
• Total Harmonic Distortion (both channels driven, 20-20,000 Hz): 0.05% with 4 to 16-ohm load
• Intermodulation Distortion: 0.01%
• Frequency Response: HIGH LEVEL INPUT/POWER INPUT 20 - 20,000 Hz +0, -0.5 dB (for rated continuous average output), 3 - 150,000 Hz +0, -3.0 dB (for 1 watt output)
• Damping Factor: 400 (For rated output with 8-ohm load, 50 Hz)
• Output Voltage, Output Impedance (at rated continuous average output): PRE OUTPUT: 1.07 V, 50 ohms
• Gain: HIGH LEVEL INPUT →　PRE OUTPUT : 18 dB, POWER INPUT →　OUTPUT: 28 dB
• Tone Controls Turnover frequency and adjustment range: BASS: 300 Hz ±10 dB (50 Hz), TREBLE: 3 kHz ±10 dB (20 kHz)
• Loudness Compensation: +6 dB (100 Hz)
• Attenuator: －20 dB
• Power Level Meters: Logarithmic compression, peak reading meters, output dB and % scale
• Load Impedance: 4 - 16 ohms
• Stereo Headphones: Suitable impedance: 8 ohms or higher
• Power Requirements: AC 230 V 50 Hz (Voltage as indicated on rear panel)
• Power Consumption: 46 watts idle 245 watts in accordance with IEC 60065
• Maximum Dimensions: Width 465 mm x Height 151 mm x Depth 420 mm
• Mass: 20.0 kg net, 26.0 kg in shipping carton

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