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TAPE DECK: AKAI 4000dDS Mk-II


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NAME AKAI
TYPE 4000DS Mk-II
Serialnumber 20303 - 0698
Other Marks Soundmixing / Sound on Sound
Reel Capacity Up to 7" Reel
Tape Speed 2 Speeds ..... 3-3/4, 7-1/2 ips (±2%)
Wow and Flutter Less than 0,12% WRMS at 7-1/2 ips
Less than 0,15% WRMS at 3-3/4 ips
Frequency Response 30 Hz to 23,000 Hz cps (±3 dB) at 7½ ips
                            using Akai LN-50-7 Tape
30 Hz to 16,000 Hz cps (±3 dB) at 3-3/4 ips
                            using Akai LN-50-7 Tape
Music Power 4-Watts at maximum on each channel, total 8 watts
Distortion Less than 1% (1,000 Hz "0" VU) using Low Noise Tape
Signal-to-Noise Ratio Better than 56 dB
(measured via tape with peak recording level of ±6 VU)
Erase Ratio Better than 70 dB
Bias Frequency 100 kHz
Heads (3) 1 one-micron gap playback head
      1 recording head
      1 erase head
Motor 4-pole induction motor
Fast Forward and Rewind Time 200 seconds using 1,200 feet tape
Output Jacks Line (2): 0,775V ("0" VU)
Required load impedance: More than 50 kohms
Input Jacks Microphone (2): 0,55 mV/30 kohms
Line (2)            : 50 mV/200 kohms
Din Jack Input 3 mV / Output 0,5V
Semi Conductors Transistors 19, Diodes 5
Recording Level Indicator VU Meter x2
Recording System 4-track, 2 channel  stereo / monoraul system
Power Requirements USA and Canada Models: 120V, 60Hz only
CEE Models: 220V, 50Hz
Other Models: 100 to 240V 50/60Hz (Switchable)
Dimensions 407(W) x 314(H) x 196(D) mm (16 x 12,4 x 7,7")
Weight 11.1 kg. (24,4 lbs)
Year 1977
Country Japan
CONDITION WORKING WELL !  Trackswitch repaired with contactspray ...
Service Manual
User     Manual
YES
YES
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