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AKAI 4000DS MKII

Technic details

Specifications

Type:
Reel to Reel Tape Recorder
Track System:
4 track, 2 channel stereo/monaural system
Reel Capacity:
Up to 7" reel
Tape Speed:
7 ½ ips, 3 ¾ ips (-2%)
Wow and Flutter:
Less than 0.12% WRMS at 7 ½ ips
Less than 0.12% WRMS at 3 ¾ ips
Frequency Response:
30Hz to 23kHz, -3dB (At 7 ½ ips using AKAI LN-150-7 Tape)
30Hz to 16kHz, -3dB (At 3 ¾ ips using AKAI LN-150-7 Tape)

 

Distortion:
Less than 1% (1kHz 0 VU, using low noise tape)
Signal-to-Noise Ratio:
Better than 56dB (measured via tape with peak recording level of +6 VU)
Erase Ratio:
Better than 70dB
Bias Frequency:
100kHz
Heads:
1 x One-micron gap playback head
1 x Recording head
1 x Erase head
Motors:
4-pole induction motor
Fast Forward and Rewind Time:
200 sec. using a 1 200 ft. tape
Output Jacks:
Line - 0.775V (0 VU)
Required load impedance - More than 50kΩ
Phone - 30mV / 8Ω
Input Jacks:
Microphone - 0.55mV / 30kΩ
Line - 50mV / 200kΩ
Din Jack:
0.5V / 3mV
Semiconductors:
19 x Transistors
5 x Diodes
Accessories:
1 x Connection Cord
1 x Spare Fuse
Operator’s Manual
Power Requirements:
AC 120V, 60Hz only (USA and Canada Models)
AC 220V, 50Hz (CEE Models)
AC 100 to 240V, 50 / 60Hz, Switchable (Other Models)
Power Consumption:
40W

Dimensions (W x H x D):
407 x 314 x 196mm
Weight:
11.1kg
Year:
1973

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