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

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

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

1952 . . 1961 . .

    



Sharp HK-25 S
   


: 1988


General

Power source: AC 120V, 50/60Hz; 10 "D" cell

batteries;external DC source (12-15 Volts)

Power consumption: 30 Watts

Speaker: 16cm (6-1/2") full range

Power output: 20 Watts RMS (AC operation)/40 Watts Peak


Semiconductors: SYNC; 1 ICs, 11 Transistors,


5 Diodes, 2 LED

AUDIO; 6 ICs, 13 Transistors, 21 Diodes,

Input sensitivity and input impedance:

Line in; 150 mV/100 k ohmsMicrophone 1; 8 k ohms Microphone 2; 8 k ohms


Output impedance:


External speaker; 4 — 8 ohms

Dimensions:

Width; 360 mm (14-3/16")

Height; 526 mm (20-23/32")

Depth; 273 mm (10-3/4")

Weight: 11.2kg (24.7 lbs.) without batteries


Input jacks: Microphone (8 k ohms, 1/4"connector) x 2


Audio line input (100 k ohms, RCA- type pin jack) x 1

Output jacks: External speaker/monaural head


phone (4 ohms min., 1/4" connector) x 1


Audio line output (10 k ohms, RCA- type pin jack) x 1

Sync line output (470 k ohms, 3.5 mm mini connector) x 1

Other jacks: Remote restart (2.5 mm sub-miniconnector) x 1


projector-1 (Coaxial DC power-type connector, 5.5 mm O.D., 2.1 mm I.D.) x 1


Projector-2 (Coaxial DC power-type connector, 5.5 mm O.D., 2.1 mm I.D.) x 1

External DC input (DC 12V ~ 15V) x 1

Projector cables

(included): 2 detachable connecting cables,

2 m, standard 5-contact remote accessory plug at projector end. Coaxial DC power-type connector

Cassette Section

Motor: DC type with electric governor

Track format: Half track, audio and sync


Recording system: AC bias AC erase

Erasing system: AC erasing system

Tape: Normal bias

Tape speed: 1-7/8 ips (4.75 cm/sec.)


Variable range of tape speed: ±10% on playback (sync mode off)

Wow & flutter: 0.17% (WRMS)


Frequency response: Audio track; 40 14,000Hz

Sync track;100-6,000Hz



S/N ratio: 50 dB

Internal Slide/Sync 1 kHz,Projector-1Advance

Playback Functions 150 Hz,

Projector-2 Advance or (separate track

Program Stop (switchable)

format):

Sync Track Output 0.5V rms. nominal Level:

Optional Accessories

MC-780V: High performance dynamic micro

phone with weighted desk stand and 20' cable.

RPS-670: Remote restart switch (after programstop)


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