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Hitachi D-E99 cassette deck


The Hitachi model D-E99 is a three -head stereo cassette deck with microprocessor-controlled adjustment for record bias, equalization, and tape sensitivity. It incorporates both Dolby B and Dolby C noise-reduction systems. And uses a solenoid-operated twin-capstan drive system with motor for the capstan and second for the reel hubs.
Also features:
Automatic Tape Response System (ATRS); Titanium-Surfaced Rec and Play Combination 3-Head System; Metal Tape Compatibility; Dual Fluorescent Peak Level Meter; Electronic Digital Counter, and Timer Rec/Play Capability

Specifications
Motor:  FG servo motor and DC motor
Heads:
1,4 mm gap Metal Rec/Pb ferrite head
Ferrite guard Metal erase Permalloy head
Semiconductors:
58 Transistors ; 58 Diodes; 2 FETs; 14 LEDs; 11 ICs; 5 Modules
Track System:  4 track, 2 channel stereo
Tape:  cassette Tape C-30. C-60, C-90
Tape Speed:  4,75 cm/s
Recording System and Bias Frequncy:  AC bias, 105 Hz
Erasing System:  AC erase
Erase Ratio:  65 dB or more (at 1 kHz)
Frequency Response:
Normal :  20 Hz - 19 kHz (30 Hz - 17 kHz ±3 dB)
Cro2 :  20 Hz - 21 kHz (30 Hz - 18 kHz ±3 dB)
Metal :  20 Hz - 21 kHz (30 Hz - 19 kHz ±3 dB)
FeCr :  20 Hz - 19 kHz  (30 Hz -17 kHz ±3 dB)
Signal-to-Noise Ratio
Dolby NR Off :  61 dB (weighted A, reference 3% THD.  Metal tape)
Dolby B NR On :  69 dB (weighted A, reference 3% THD. Metal Tape)
Dolby C NR On :  75 dB (weighted A, reference 3% THD. Metal Tape)
Wow and Flutter:  0,032% WRMS (0,10% DIN)
Input Sensitivity/ Impedance:
Microphone :  0,4 mV/  300 Ω - 5 kΩ
Line In :  100 mV/ 50 k Ω or more
Output Level:  500 mV
Output Load Impedance:
Line Out :  50 k Ω or more
Headphones :  8 Ω - 2 k Ω
Distortion:  0,8 % (1 kHz , 160 nwb/m)
Crosstalk:  60 dB or more (at 1 kHz)
Channel Separation:  30 dB or more (at 1 kHz)
Power Supply:  AC 120V, 100-110 V, 115-127 V, 220-220 V, 230-240 V, 50/60 Hz
Power Consumption:  29 W
Dimensions (W x H x D):  435 x 110 x 282 mm
Weight:  6,3 kg

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