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The E-380 realizes a 20% increase in rated output power thanks to a reinforced power amplification stage and power supply. The further evolved AAVA volume control system allows music enjoyment at any level without even the slightest degradation of signal quality. The power amplifier section utilizes the instrumentation amplifier principle to achieve an outstanding S/N ratio. The low impedance design of the output circuitry results in a damping factor of 500, ensuring that the potential of every speaker can be brought out to the fullest. Enjoy a musical performance of amazing transparency and dynamism.
Warranty:
1-year manufacturer's warranty
Features:
AAVA volume control
Power amplification stage with bipolar transistors in double parallel push-pull configuration
Rated for 180 watts into 4 ohms and 120 watts into 8 ohms
The high damping factor of 500
Power amplification stage configured as an instrumentation amplifier
Current feedback amplification topology in the power amplification stage
Logic-control relays for shortest signal paths
Strong power supply with massive high-efficiency transformer and large filtering capacitors
Protection circuitry using MOS-FET switches
Video Review:
INTEGRATED STEREO AMPLIFIER The E-380 realizes a 20% increase in rated output power thanks to a reinforced power amplification stage and power supply. The further evolved AAVA volume control system allows music enjoyment at any level without even the slightest degradation of signal quality. The power amplifier section utilizes the instrumentation amplifier principle to achieve an outstanding S/N ratio. The low impedance design of the output circuitry results in a damping factor of 500, ensuring that the potential of every speaker can be brought out to the fullest. Enjoy a musical performance of amazing transparency and dynamism.
Power supply circuitry designed for optimum stability The large transformer and massive 33,000 μF filtering capacitors with 10% more capacitance provide rock-stable high-quality power
Power amplification stage with bipolar transistors The power amplification stage features bipolar transistors in a double parallel push-pull configuration.
Option Boards The rear panel expansion slot allows for use of one of the available AD-30 (phono preamplifier) or DAC-40 (digital to analog converter) option boards.
Technical Specifications:
Continuous Average Output Power
(20 - 20,000 Hz)
(both channels driven)
8-ohm load
4-ohm load
120W
180W
THD
(20 - 20,000 Hz)
(both channels driven)
4 to 16 ohm load
0.05%
Intermodulation Distortion
0.01%
Frequency Response
HIGH-LEVEL INPUT
At rated continuous average output: 20 - 20,000 Hz ＋0, –0.5 dB
MAIN IN
At rated continuous average output: 20 - 20,000Hz (+0, -0.2 dB)
At 1 watt output: 3 - 150,000 Hz ＋0, –3.0 dB
Damping Factor
500 (with 8-ohm load, 50 Hz)
Input Sensitivity and impedance
Input Input sensitivity
For rated output For 1 Watt output (EIA)
Input impedance HIGH LEVEL INPUT 155 mV 14.2mV 20 kilohms BALANCED INPUT 155mV 14.2mV 40 kilohms MAIN IN 1.23V 113mV 20 kilohms
Output voltage Impedance
PRE OUTPUT 1.23 V 50 ohms (at rated continuous average output)
Gain
HIGH LEVEL INPUT → PRE OUTPUT: 18 dB
MAIN IN → 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 compensator
#ERROR!
Attenuator
-20dB
S/N Ratio,
Input-converted Noise
Input S/N ratio at rated output
(A-weighted, with input shorted)
S/N ratio (EIA) HIGH LEVEL INPUT 109dB 99dB BALANCED INPUT 98dB 98dB MAIN IN 124dB 102dB
Power Meters
Logarithmic type peak level display of output in dB or percent
Output Load Impedance
4 to 16 ohms (terminals A or B driven)
8 to 16 ohms (terminals A and B driven simultaneously)
Stereo Headphones
Suitable impedance: 8 ohms or higher
Power Requirements
120 V/220 V/230 V AC (Voltage as indicated on rear panel), 50/60 Hz
