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Sansui cassette deck D-905R

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Sansui cassette deck  D-905R

D-905R Autoreverse 3head Cassette deck Sansui last model produced of cassette player 1986 MSRP $700
SPECIFICATIONS :
Heads....................... ( 3-head configuration)
Rec/pb head...............Dioxide TITANIUM coating HIGH -Bs feritte
Wow / flutter................0.034 % max (WRMS) ± 0.7 W. peak
Track format .............4-track/2-channel system
Tape speed...............4.8 cm/sec.
Erase head..................Double-gap HIGH-Bs feritte
Motor 1........................Capstan : electroically Contolled DC brush motor
Motor 2........................Reels inegrated Controlled DC brush motor
Fast forwarding (rewinding) time: Apx 85 sec. (for C-60 tape )
Frequency response (-20 VU recording/playback)
Normal tape (LH)............20 to 18,000 Hz
(30 to17,000 Hz ± 3 dB)
Chrome tape...................20 to 20,000 Hz
(30 to 18,000 Hz ± 3 dB)
Metal tape .......................20 to 21,000 Hz
(30 to 19,000 Hz ± 3 dB)
Signal to noise recording/playback with metal tape ( 3% T.H.D.)
DOLBY NR OFF...............Better than 60 dB
DOLBY- B NR ON............Better than 68 dB
DOLBY- C NR ON............Better than 74 dB
Erasure Factor (Metal tape) more than 65 dB at (1 kHz)
Recording bias frequency ; 85 kHz
Input sensitivity/impedance : LINE IN(REC) 80 mV/50 kohms
Power requirements........... 110 ~120 V/ 220 ~ 240 V 50/60 Hz 32 watts
Dimensions ........................435 mmW / 115 mmH / 282 mm D
Weight.................................5.4 Kg