SHARP 15 1912 ., . "". 1915 . " " , . 1923 . . , Haykawa Metal Works, - Sharp Corparation.

1925 . , , . , . , SHARP. , SHARP .

1926 . , . 1951 . , 1952 . RCA. SHARP TV3-14T.

1952 . . 1961 . .

    



Sharp MR-990
   


: 1982


SPECIFICATIONS
Power source: AC 100V 50/60HZ 28W
DC 15V (UM/SUM-1CT
type x 10, or external 15V DC)
Output power: RMS; 7.5W + 7.5W(EIAJ/DC )

Semiconductors: 36 ICs
46 transistors
77 diodes
39 LEDs
Dimensions: Width; 753mm
Height; 283mm
Depth; 160mm
Weight: 10.9kg with batteries
TAPE RECORDER
Tape: Compact cassette tape
Frequency response: 30Hz — 14,000Hz (normal tape)
30Hz
16,000Hz (Cr02 tape)
30Hz
17,000Hz (metal tape)
Signal/noise ratio: 55 dB (Deck 1, playback)
50 dB (Deck 2, recording)
Wow and flutter: 0.06% (WRMS), 0.11% Peak (EIAJ)
Input impedance: Mixing/external mic; 600 ohms
Line in/phono; 20 kohms/50 kohms
Loaded impedance;
Headphones; 8 ohms 32 ohms
External speakers; 3.2 ohms 8 ohms
Line out; 50 kohms
RADIO
Frequency range:
FM; 76 MHz108 MHz
AM; 530 kHz
1605kHz


MUSIC PROCESSOR
Musical Scale Keys: 16
Sound Range E3 ~ F6
Tones: 3
Rhythms: 4
Automatic tune Up to 7 preset sharps (#) and flats (
þ )
memory: can be memorized.
Chords: 35 inputs are possible.
Sound lengths: 5 (triplets, dots and ties can be used
in combination.)
Rests: 5 (triplets, dots and ties can be used
in combination.)
Memory capacity: 340 notes or rests
Principle functions: Automatic playback of melody, rhythm and chords.
Simultaneous playback of rhythm and
chords,
One-touch automatic playback, Manual playback,
Correction, deletion and addition functions,
Programme loading and saving function,
Tempo adjustment function,
Pitch adjustment function, Independent adjustment
of accompaniment and melody volume,
Memory back-up function (batteries can hold
memory for approx. 1 year),
LED indicator functions
(Musical Scale indicators, Key signature and tonality set indicators,
Chord Set indicators,
Rest and Correct indicators)
SPEAKER
Speakers: 16cm (6-1/2") woofer x 2
5 cm Horn type tweeter x 2
Impedance: 3.2 ohms
Rated power: 10W
Maximum power handling capacity: 20W


SHARP reserves the right to make design and specification changes for product improvement without prior notice.
 
:
Sharp GF-990 G
Sanyo KBX-7
Fisher SC-300 K
Abbot-70 : 14.07.2010 00:10:37
. . 1985.

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