Audio Database

RS-744U
Commentary

An orthodox 3-head tape deck with 4ch/2ch recording / playback heads.

The monitor for 4-channel recording can be operated by switching only one switch, and the head is equipped with 8 amplifiers.

The I/O meter display can be switched by one operation of the monitor switch.

Center float type motor holding.

The equalizer can be switched according to the speed, and optimum recording / playback is possible at 19cm/s and 9.5cm/s.

Model Rating
Type 4-track multichannel tape deck
Recording bias system AC:120kHz
Erasing method AC erasing method
Track system 4-track 4 ch, 4-track 2 ch
Tape speed 19cm/s, 9.5cm/s
Head Used Recording : Permalloy x1
Playback : Permalloy x1
Erase : 1 ferrite
Motor used 4-pole induction motor
Frequency characteristic 19cm/s : 40 Hz to 20000 Hz, ± 3 dB
Wow flutter 19cm/s:0.09%
Signal-to-noise ratio 53 dB or more
Input
MIC: Maximum input sensitivity : 0.56 mv (-65dB)
Compatible MIC impedance : 600 Ω ~ 20k Ω
Line In: Maximum input sensitivity : 30 mv (-30dB)
Output
Line Out: Reference output level : 0.5 V
Load impedance : 50k Ω or more
DIN connector REC/PB(EIAJ)
Pwer 100 VAC, 50Hz/60Hz
Power consumption Approx. 45W
External dimensions Width 425x Height 398x Depth 212 mm
Weight Approx. 13 kg