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| Marantz CD-94Limited |
160,000yen(around the 1988 time) |
The limited model which aimed at the top quality as
a gold version of compact-disk-94.
The D-A-conversion part carries
16-bit digital-analog-converter LSI-TDA1541 which operates by oversampling
compact-disk developer's 4 original times, and has 16-bit-ized all digital
decoders.
Furthermore, since TDA1541 is L-R independent dual DAC which
equips the digital analog converter only for Lch-Rch, it banished phase gap of
right and left to the super-high region, and has attained the wide band property
and dynamic range which amount to 30kHz.
CDM-1 mechanism employed as
compact-disk drive mechanism is tuned up and carried.
The likelihood of the
tone-quality failure by oscillation is eliminated by the rigid improvement by
additional of a reinforcement rib, and separate independence setting of the
preamplifier for laser signals.
The digital output which can carry out a
digital transmission to the separate type digital analog converter of CDA-94
etc. is carried.
It was standardized by the digital audio interface format
and the optical output and the 75-ohm coaxial output support all the digital
analog converters with an isomorphous-type input terminal.
The circuit
layout has banished the wraparound of a noise with careful attention to the
cross interferencee of digital one and an analog.
Moreover, as a measure against an oscillation / vibration, heavy weight class die-casting was adopted
as the chassis, the griddle of 3mm thickness was adopted as the sole plate, and
the creativity of filling up the room inside a large-sized insulator with
Portland cement further is put.
compact-disk filing bank FTS which can
carry out program memory of the 150 compact disks eternally is begun, and
functionalities, such as a shuffle play with remote control, are carried.
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| Form |
Compact disk player |
| Digital analog converter |
The 4 time oversampling digital filter of a 16-bit
L/R independent 2DAC |
| Filter |
The 3rd Bessel filter |
| Frequency characteristic |
2Hz-20kHz±0.1dB |
| Dynamic range |
96dB or more |
| SN ratio |
104dB or more |
| Channel separation |
100dB or more |
| THD |
0.0015% |
| Wow and flutter |
Quartz-crystal precision |
| The maximum Dimensions |
Width 462x height 107x depth of 355mm
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| Weight |
12kg |
| Adjunct |
Remote control |
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