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Details, datasheet, quote on part number:P-7742B
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Datasheet text preview:
MITSUMI
Stereo Magnetic Heads (Shift Reverse)
P-7742 B Series
Magnetic Heads
FEATURES
1. This is a shift type auto-reverse compactly playback head. 2. Symmetrical arrangement of the R and L channels has materialized superb interchannel balance. 3. It is a high-reliability head with the tape sliding resin section removed by means of gutter and capable of coping with surface.
USES
1. Optimally suited for high-grade auto-reverse cassette deck and auto-reverse automotive stereo.
STANDARD MODEL
P-7742-BB-05
CHARACTERISTICS
Playback Frequency Characteristics
20
P-7742 B
15
Output (dB)
10 5 0 -5
-10 -15 30 50 100 300 500 1k 5k 10k
Frequency (Hz)
Tape speed:4.76cm/S Test tape:TEAC MTT-256 (3180µs+120µs) 0dB=-76.5dBv (DIN Ref.Level -4dB)
MITSUMI
Stereo Magnetic Heads (Shift Reverse)
SPECIFICATIONS
Item Type Control freq. D. C. Resistance Impedance Induction Noise Test Tape 1kHz Playback 315Hz 8k/315Hz 10k/315Hz 12.5k/315Hz 14k/315Hz 1kHz 1kHz AB 8 Specifications BB CB 10 12.5 240±20% 800±25% -75.0 max. TEAC MTT-256 -76.5±2dB 9.5±3 9±3 8.5±3 45 min. 50 min. 4.76cm/S · 1 7 8 I. P. S. Unit DB 14 kHz dBv dBv dB dB dB dB dB dB Remarks
DC 20°C 100µA 50Hz, 3 Oe 3180µs+120µs DIN Ref. level -4dB
10±3
Playback
Playback Separation Playback Crosstalk Tape Speed
TEAC MTT-141N TEAC MTT-121N
1V=0dB Specifications may be changed for the purpose of improvement and upgrading.
DIMENSIONS
Unit : mm
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