Amplifier which tackled "the limits of a stereo
image" which can also be said to be the brand identity of a Marantz, and "a
modification of S/N on Hearing impression" from the front view, and brushed up
the basic performance thoroughly.
It was developed in pursuit of the sound
quality in a real busy condition rather than the catalog spec.
4-unit active volume scheme which prevents a failure of S/N at the time of a
real using is adopted.
When a volume is extracted, the remains noise of the
pre part was stopped according to an input signal becoming small, and high S/N
A power amplifier part builds the voltage amplification part
of a high-speed and a low-impedance specification which made full use of a
cascode technology, and constitutes the bipolar transistor from a parallel push
pull in the power stage.
Furthermore, MOS FET was used for the driver stage and the electric cross interferencee is prevented.
parts are two power transformers with + and the powerful stream composition of
total 500VA which made each of - take charge of.
Moreover, the orientation
of an electric current of two transformers is set up conversely, and it is
considered so that mutual leakage flux (leakage flux) may be negated.
The influence of an oscillation is suppressed by having adopted zinc
die-casting as a chassis, and also fixing firmly by the top panel and
die-casting side panel of 3mm thickness.
AC polarity indicator which can check the polar correction of a power cord
at a glance is carried.
||Stereo Integrated Amplifier
|At the time of a Class-A operation :
|At the time of AB class operation :
||10Hz-100kHz+0 -3 dB
||compact-disk balance input: One line
Line input: Four lines
Phono input: One line
Tape input: One line
Processor input: One line
||Tape output: One line
Speaker output: Two lines
||290W (Electrical Appliance and Material
||Width 454x height 170x depth of 460mm