Audio Database

RS-728U
Commentary

A 4-track multichannel tape deck with 4-ch / 2-ch switching switches.

The 4-ch / 2-ch switch allows you to monitor a recorded track while recording to a different track in a 2-ch stereo.

Uses a combination head with no phase shift.

Equipped with a microphone / line input selector.

Silicon transistors are used in the electrical circuit.

Equipped with auto shut-off function.

Model Rating
Type 4-track multichannel tape deck
Recording bias system AC:100kHz
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 / Playback : 1 Permalloy
Erase : 1 ferrite
Motor used Induction motor
Frequency characteristic 19cm/s : 40 Hz to 20000 Hz, ± 3 dB
Wow flutter 19cm/s:0.10%
Signal-to-noise ratio 53 dB or more
Input
MIC: Maximum input sensitivity : 0.3 mv (-70dB)
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. 28W
External dimensions Width 425x Height 398x Depth 212 mm
Weight Approx. 13 kg