RT 707 schwarz

[stetteldorf]

Form

Compact cassette tape deck

Head
Recording head: Ribbon sendust head
Reproducing head: Ribbon sendust head
Erase head: Special composition head

Motor
For a constant-speed drive: Quartz PLL direct-drive scheme coreless capstan motor
For the reeled live: High torque coreless motor

It is already volume time.
75 or less (C-60) seconds

Rotation unevenness
0.03% or less (WRMS)

Frequency characteristic




STD, LH tapes :
20Hz - 19kHz, 25Hz-16kHz±3dB (at the time of a -20dB sound recording)




Fe Cr tape :
20Hz - 20kHz, 25Hz-18kHz±3dB (at the time of a -20dB sound recording)




Chromium tapes :
20Hz - 20kHz, 25Hz-18kHz±3dB (at the time of a -20dB sound recording)
20Hz - 13kHz (at the time of a 0dB sound recording)




Metal tape :
20Hz - 20kHz, 25Hz-19kHz±3dB (at the time of a -20dB sound recording)
20Hz - 15kHz (at the time of a 0dB sound recording)
30Hz-15khz±1dB (It is about AutoBLE at the using time. At the time of a 20dB sound recording )


SN ratio (3% of 3rd THD)
Auditory sensation weighting
Dolby off: 60dB or more
Dolby on: 70dB or more (5kHz or more)

Distortion
1.0% or less (0dB)

Input sensitivity/maximum permissible input
/impedance
Line: 65mV/15V/100kohm, a pin jack
Mic: 0.3mV/100mV/10kohm, the diameter jack of 6mm
(Conformity mic impedance: 250ohms - 10kohm)

Normal-output level / maximum level
/impedance
Line: 450mV/640mV/50kohm, a pin jack
Headphone: 63mV/90 mV/8 ohm, the diameter stereo jack of 6mm

The semiconductor used
IC:42
Transistor: 194
Diode: 124 (zener diode: 16, light emitting diode:19)
Phot interrupter: One

Supply voltage
AC100V, 50Hz/60Hz

Power consumption
45W

Dimensions
Width 420x height 217x depth of 390mm

Weight
18kg