Difference between revisions of "Akai 4000 DB"

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Track system: 4-track, 2-channel, stereo/monaural system
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__NOTOC__
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== Data ==
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{{navigation}}
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'''General'''
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* Manufacturer: [[Akai]]
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* Model: 4000 DB
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* Type: Tape machine
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* Years of manufacture: 1976 - 1978
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* Made in: Japan, Philippines
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* Color: Silver and black, wooden cabinet
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* Dimensions: 406 x 325 x 196 mm (WxHxD)
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* Weight: 12 kg
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* Original price approx.: 1'098 DM
  
Dolby System
 
  
Heads: 1 x record, 1 x playback, 1 x erase
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'''Connections'''
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* Inputs:  
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** Line In: 70 mV
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Line In DIN:
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** Microphone: 0.4 mV
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* Outputs:
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** Line Out: 775 mV
  
Motor: 1 x 4-pole induction
 
  
Reel size: up to 7 inch reel
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'''Technical Data'''
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* Max. Coil diameter: 18 cm Coils
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* Heads: 3, 1 x record, 1 x playback, 1 x erase
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* Drive: 1 x 4-pole induction motor
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* Tape speeds: 4.75 cm/s, 9.5 cm/s
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* Tracks: 4-track, 2-channel, stereo/mono
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* Frequency response: 30 Hz - 23 kHz (9.5 cm/s)
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* Tracking: < 0.15 % (9.5 cm/s)
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* Distortion: < 1 %
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* Signal-to-noise ratio: 55 dB
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* Crosstalk attenuation: 40 dB
  
Tape speeds: 3 3⁄4  7 1⁄2 ips
 
  
Wow and flutter: 0.15% (7 1⁄2 ips)
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'''Equipment'''
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* Semiconductor components: 27 x transistors, 2 x FET, 4 x IC, 17 x diodes
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* Dolby System
  
Frequency response: 30Hz to 23kHz (7 1⁄2 ips)
 
  
Signal to Noise Ratio: 55dB
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== Remarks ==
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* Other models in the same series:
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* [[Akai 4000]]
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* [[Akai 4000 D]]
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* [[Akai 4000 DS]]
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* [[Akai 4000-DS MK II]]
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* [[Akai 4400]]
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* [[Akai 4400 D]]
  
Total harmonic distortion: 1%
 
  
Crosstalk: 40dB
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== Pictures ==
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* Excerpt from brochure: Akai 4000 DB
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[[File:Akai 4000 DB-Prospekt-1.jpg]]
  
Input: 70mV (line), 0.4mV (mic)
 
  
Output: 0.775V (line)
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* Excerpt from brochure: Akai 4000 DB
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[[File:Akai 4000 DB-Prospekt-1977.jpg]]
  
Semiconductors: 27 x transistors, 2 x FET, 4 x IC, 17 x diodes
 
  
Dimensions: 406 x 325 x 196mm
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* Excerpt from brochure: Akai 4000 DB
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[[File:Akai 4000 DB-Prospekt-19771.jpg]]
  
Weight: 12kg
 
  
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* Excerpt from brochure: Akai 4000 DB hood
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[[File:Akai Accessories-Prospekt-1977.jpg]]
  
== Berichte ==
 
  
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== Reports ==
  
[[Kategorie:Bandmaschinen]]
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[[Category:Tape machines]]

Latest revision as of 02:58, 13 January 2020

Data[edit]

General

  • Manufacturer: Akai
  • Model: 4000 DB
  • Type: Tape machine
  • Years of manufacture: 1976 - 1978
  • Made in: Japan, Philippines
  • Color: Silver and black, wooden cabinet
  • Dimensions: 406 x 325 x 196 mm (WxHxD)
  • Weight: 12 kg
  • Original price approx.: 1'098 DM


Connections

  • Inputs:
    • Line In: 70 mV

Line In DIN:

    • Microphone: 0.4 mV
  • Outputs:
    • Line Out: 775 mV


Technical Data

  • Max. Coil diameter: 18 cm Coils
  • Heads: 3, 1 x record, 1 x playback, 1 x erase
  • Drive: 1 x 4-pole induction motor
  • Tape speeds: 4.75 cm/s, 9.5 cm/s
  • Tracks: 4-track, 2-channel, stereo/mono
  • Frequency response: 30 Hz - 23 kHz (9.5 cm/s)
  • Tracking: < 0.15 % (9.5 cm/s)
  • Distortion: < 1 %
  • Signal-to-noise ratio: 55 dB
  • Crosstalk attenuation: 40 dB


Equipment

  • Semiconductor components: 27 x transistors, 2 x FET, 4 x IC, 17 x diodes
  • Dolby System


Remarks[edit]


Pictures[edit]

  • Excerpt from brochure: Akai 4000 DB

Akai 4000 DB-Prospekt-1.jpg


  • Excerpt from brochure: Akai 4000 DB

Akai 4000 DB-Prospekt-1977.jpg


  • Excerpt from brochure: Akai 4000 DB

Akai 4000 DB-Prospekt-19771.jpg


  • Excerpt from brochure: Akai 4000 DB hood

Akai Accessories-Prospekt-1977.jpg


Reports[edit]