SANSUI AU-D607 PRE-MAIN SUPER FIDELITY DD/DC INTEGRATED AMPLIFIER 1979

SANSUI AU-D607 PRE-MAIN SUPER FIDELITY DD/DC INTEGRATED AMPLIFIER 1979

Selling super fidelity Integrated Amp, Sansui brand, model AU-D607 (Made in Japan),
Classic vintage amplifier of 1979 with 70W + 70W @ 8 Ohms power output. Dual power supply.
It is an Integrated Amp that uses Diamond Differential circuit technology to make it a good amplifier.
The best in bringing to help amplify music and songs. By making major improvements in the part of the DC power circuit in different parts of the amp In terms of amplifier, EQ, flat amp for the most responsive Dynamics. Phono has both MM & MC. Loudness switch. Phono, Tape, Tuner & Aux input.
Bass Treble Banace & volume control. Terminals for 2 pairs of speakers. Excellent condition. Perfect working.

Special Feature of the model
DC Integrated Amplifier which has discerned the true nature of an audio amplifier called a music play, and carries a diamond differential circuit. The first rank is the cascode interconnection and the differential amplification with the current source which use the Dual FET of a low-noise, and a high and gm, The 2nd step has 8 stone composition of the electric-current differential push-pull-circuit adoption with a current mirror, and has the composition that the open loop property aiming at a reduction of TIM distortion was excellent like DC power amplifier part.

The power-source part considered it as 2 power transformer, and has adopted the right-and-left full independence scheme. Moreover, the low-impedance property from super-low-pass one to a super-high region is attained by using the electrolytic capacitor and metallized film capacitor of 12,000 micro Fx4. MC head amplifier is carried. The loudness switch point, the Subsonic Filter, the tone defeat switch point, and the balance control are carried. It is also possible to be able to perform independently a tapes play functionality and a tape copy, and to take out the signal of a tuner independently moreover at the time of a sound recording. A two-line interconnection of OFF, A, B, and A+B is possible for a speaker output. Standby AC plug socket 3 circuitry (interlocking 1 circuitry 100 W, 2 non-interlocking circuitry 250W) and the grounding terminal are carried. It is possible to separate power from a pre.
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