• 3

  Contents
• 4

  Specifications
• 5

  Measuring Method
• 5

  Tape Speed Deviation
• 5

  Frequency Response
• 5

  Wow and Flutter, Signal to Noise Ratio
• 6

  Total Harmonic Distortion Factor
• 6

  Erase Ratio
• 6

  Cross Talk
• 7

  Dismantling of Tape Transport Unit and Amplifiers
• 9

  Mechanism Adjustments
• 10

  Pinch Wheel Adjustment
• 10

  Supply Reel Shaft Assembly Adjustment
• 11

  Take-Up Reel Shaft Assembly Adjustment
• 11

  Recording/Playback Changing Mechanism
• 12

  Head Adjustments
• 12

  Head Height Adjustments
• 12

  Head Slant Adjustment
• 12

  Head Azimuth Alignment Adjustments
• 13

  Amplifier Adjustments
• 13

  Playback Level Adjustment
• 13

  Recording Level Adjustment
• 14

  Recording Bias Frequency Adjustment
• 14

  Recording Bias Voltage Adjustment (Frequency Response Adjustment)
• 14

  Erase Voltage
• 15

  Composite Views of Components
• 15

  Pre-Amp. PC Board
• 16

  Osc. Power PC Board
• 17

  Parts List: Contents
• 18

  How to Use Parts List
• 19

  Electrical Parts List Table
• 20

  Illustrated of Head Block
• 21

  Head Block Parts List
• 22

  Illustration of Supply/Take-Up Reel Table Block
• 23

  Supply/Take-Up Reel Table Block Parts List
• 24

  Illustration of Motor Block
• 24

  Motor Block Parts List
• 25

  Illustration of Flywheel/Belt Change Lever Block
• 25

  Flywheel/Belt Change Lever Block Parts List
• 26

  Illustration of Switch Block
• 26

  Switch Block Parts List
• 27

  Illustration of Mechanism Assembly Block
• 28

  Mechanism Assembly Block Parts List
• 29

  Photo of Pre-Amp PC Board
• 29

  Pre-Amp PC Board Block Parts List
• 30

  Photo of Osc. Power PC Board
• 30

  Osc. Power PC Board Parts List
• 31

  Photo of Amp. Assembly Block
• 32

  Amp. Assembly Block Parts List
• 33

  Photo of Final Assembly Block
• 33

  Final Assembly Block Parts List
• 34

  Schematic Diagram
• 35

  Index
• 38

  4000DS Schematic Diagram

• Samples (1591)
  • ACID format (61)
  • AKAI format (288)
  • Audio and MP3 format (17)
  • eJay (11)
  • EMU format (15)
  • EXS24 format (36)
  • GIGA samples (59)
  • Impulses (12)
  • MIDI Files (68)
  • Multiformat (396)
  • REX format (4)
  • SF2 Sound Fonts (13)
  • Sound Effects (103)
  • WAV Samples (373)
  • Fruity Loops (8)
  • Reason Refills (127)
• VST Instruments (2030)
• VST Plug-ins (376)
• MAC OSX Only (39)
• Notation Editors (18)
• Sound Editors (144)
• Music Production Tutorials (213)

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