Description
Based on the AU-?607Extra, this integrated amplifier uses the LAPT, a transistor designed specifically for audio. Audio equipment peripherals In order to improve linearity at low levels, we focused on the transistors used in the power stage and adopted the LAPT (Linear Amplification Power Transistor), which was newly developed specifically for audio. The LAPT uses pure copper instead of the conventional plated material, and is completely non-magnetic, even down to the bonding wire. It is a part designed specifically for sound quality, with a different production process from the conventional popular type. This eliminates the occurrence of magnetic distortion, and by improving the internal structure of the element, the cutoff frequency has been improved to 50-60MHz, three times that of conventional products. The circuit configuration uses an -X balanced circuit. In addition, the NEW diamond differential circuit with the first-stage FET cascaded provides excellent high-frequency characteristics. The power supply is placed in the center, and the power amplifier section mounted on a large heat sink is separated symmetrically on the left and right, resulting in a twin mono construction. This cuts off interference from vibration sources that adversely affect sound quality, achieving excellent sound image positioning. Furthermore, the idea of ??vibration-free and resonance-free is thoroughly implemented in every detail, and pure copper vibration isolation parts are used. Equipped with a power amplifier direct function with two normal inputs. Since the output level of CD players and other devices is high, you can bring out the best in digital by sending it straight to the power amplifier. Equipped with functions such as source direct and rec selector. Equipped with a 6-gang detent volume. Type Integrated amplifierEffective output(10Hz to 20kHz, both channels driven) 105W+105W(6?)90W+90W(8?)Dynamic power 280W(2?)220W(4?)155W(6?)Total harmonic distortion (at effective output) 0.003% or less(8?)Intermodulation distortion 0.003% or less(8?)Damping factor 150(8?)Frequency response (1W) DC to 300kHz +0 -3dBInput sensitivity/impedance (1kHz) 1V/5k?Signal-to-noise ratio (A network) 120dB or moreTIM distortion (SAWTOOTH) Below measurement limitSlew rate 180V/?secRise time 0.6?secInput sensitivity/impedance (1kHz) Phono MM: 2.5mV/47k?Phono MC: 390?V/100?CD, Tuner, Line, Tape/DAT1, 2, 3: 150mV/20k?Phono maximum allowable input MM(THD 0.01%): 210mVMC(THD 0.1%): 21mVFrequency response Phono MM: 20Hz to 20kHz ±0.2dBCD, Tuner, Line, Tape/DAT1, 2, 3: DC to 200kHz +0 -3dBSignal-to-noise ratio Phono MM: 88dB or morePhono MC: 70dB or moreCD, Tuner, Line, Tape/DAT1, 2, 3: 110dB or moreTone control Bass: ±6dB(50Hz)Treble: ±6dB(15kHz)Subsonic filter 16Hz (-3dB), 6dB/octLoudness +6dB (50Hz), +4dB (10kHz)Rated power consumption 250WExternal dimensions Width 430 x Height 160 x Depth 450mmWeight 18.0kg
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