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Technics SE A3 power amplifier 100v. Condition is Used. Technics SE A3 110v This amplifier is in beautiful working order stunning peace of hifi art and very powerful. Stereo DC power amplifier which is at the top of the new class A amplifier original with technics which canceled switching distortion and crossover distortion. DC amplifier stream composition which banished all capacitors from the input to the output is adopted. A bootstrap cascode and a Current-mirror load intensity are added to the differential amplifier of a one chip Dual FET with which the temperature characteristic was equal to the first rank,Then, it has the composition that a differential-amplification double cascode, the voltage amplification stage of a Current-mirror load intensity, the two-step SEPP driver stage of a Class-A, a synchro bias circuit, PP driver of SLPT2 Para, and the output stage of DLPT4 Para come. The output stage and the power-source part were unified and the concentrated power block which prevents electromagnetic induction is adopted. The newly developed super audio capacitor (capacity of 22,000 micro F) is adopted as an electrolytic capacitor a total of both four ch(es). As for this capacitor, compared with the former, an impedance of 12dB is improved at 7dB and 1MHz by the mid range. DLPT (dual linear power transistor) of the twin structure which made SLPT of high fT 2 stone one puck of NPN and PNP is developed newly and carried in the output transistor. The current wave form which comes out from the power stage by this realized a property which finally becomes the same as the wave of a Class-A operation, and has improved especially the high region property greatly. The busline of three-layer sandwich construction is adopted and the distorted occurrence by electromagnetic induction is minimized. The monophonic construction of the right-and-left full independence by two transformers is adopted. Large-sized and a high precision peek power meter are carried. The protection network by the auto-return type relay equipped with the indicator is carried. Power output: 300 watts per channel into 8 (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.002% Damping factor: 200 Input sensitivity: 1V Signal to noise ratio: 125dB Speaker load impedance: 4 to 16 Dimensions: 430 x 208 x 507mm Weight: 39kg
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: London