Hitachi D-5500M
Hitachi D-5500
Track system: 4-track stereo
Tape speed: 4.75 cm/sec
Tape: Cassette tape (C-30, C-60, C-90)
Input impedance
Microphone jack: 300Ω — 5kΩ (Matching microphone)
Input sensitivity: 0.35mV
Input jacks: More than 100kΩ
Input sensitivity: 60mV
Din jack: 4.7kΩ
Input sensitivity: 0.35mV
Output load impedance
Output jacks: More than 50kΩ
DIN jack: More than 50kΩ; more than 470kΩ
Headphone jack: 8Ω — 2kΩ
Output level: 550mV
Distortion ratio: 1.2% (1 kHz 0 VU)
Frequency response:
Chrome: 20 - 22 kHz (UD-EX C-90 tape); 20 - 20 kHz
Ferrichrome: 20 - 20 kHz (FeCr tape made by S Ltd.); 20-18 kHz
The following performance is obtained with almost all tapes on the market at present:
30: 18 kHz (±3 dB)
40: 15 kHz (±1 dB)
20: 20 kHz
Chrome
30: 20 kHz (±3 dB)
40: 15 kHz (±1.5 dB)
20: 20 kHz
Ferichrome
30: 18 kHz (±3 dB)
40: 15 kHz (±1.5 dB)
20: 20 kHz
Recording system: 105 kHz AC bias
Erasing system: AC erasing
Wow & flutter: 0.028% (WRMS), 0.09%
S/N ratio
Dolby NR "OFF"
60 dB (A weighted. Reference 3% T.H.D. UD-EX tape); 60 dB
Dolby NR "ON"
68 dB (A weighted, Reference 3% T.H.D. UD-EX tape); 68 dB
Crosstalk: More than 65 dB (1 kHz)
Erase ratio: More than 65 dB
IC`s: 40
FETs: 2
Transistors: 113
Diodes: 140
Varisters: 4
LEDs: 37
Microcomputers: 2
Motors: Uni-torque DD motor, DC motor
Heads: Recording head; Playback head; New Close gap R&P heads
Power supply: 220V 50/60 Hz
Power consumption: 40W
Dimensions: 435x186x320 mm
Weight: 14 kg