This is the 16 pages manual for Akai 4000 DB Owners Manual 2.
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STEREO TAPE DECK
To prevent fire or shock hazard, do not expose this appliance to rain or
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CEE, CSA, UL and LA Standard models are not
equipped with 21 Voltage Selector or Cycle Change
Apparatus. Therefore, voltage and cycle conversion is
not necessary. If your machine corresponds to any of
these standards, please disregard all references to
voltage and cycle adjustment throughout this manual.
CEE: Models: 220V, 50Hz
CSA: Models: 120V, 60Hz
UL, LA: Models: 120V, 60Hz
Track 1 J Stereo L1-b Track 1 L1->
2 R2¢- 2 1 R24-
3 I: Stereo 81- 3 R1->
4 L2<- 4 i L24-
Track 1 I Mano 1 ->
3 3-» I
Track 1 Mono 1 ->
2 44- I
4 I 2 <-
Place a full reel of tape on the Supply Reel Table and an
empty reel on the Take-Up Reel Table, and lock reels into
place with built-in reel retainers by pulling retainers
outward and turning to left or right. Thread the tape as
illustrated by the dotted lines in the figure at left. If
automatic shut-off is desired, thread tape through Auto-
matic Shut-Off Lever.
4-TRACK STEREO AND MONAURAL
4-Track stereo recording and playback requires the simulta-
neous use of two tracks. For stereo operation, set Track
Selector to STEREO position. The first recording or
playback takes place on tracks 1 and 3, and the second on
tracks 2 and 4 after the reels have been inverted.
4-Track monaural recording and playback track sequence is
1-4-3-2. For monaural operation, set Track Selector to 1-4.
The first recording or playback takes place on track 1 and
the second on track 4 after the reels have been inverted.
For recording or playback on tracks 3-2, set Track Selector
to 3-2. The third recording or playback takes place on track
3 and the fourth on track 2 after the reels have been
DOLBY NOISE REDUCTION SYSTEM
Setting the Dolby NR Switch to ON position activates the
Dolby circuit to expand low level signals before they are
recorded and lowers them by precisely that same degree at
playback time, thus reducing the extraneous and super-
-irnposed noise by as much as 10dB. This revolutionary
process reduces tape hiss to a completely inaudible level.
When playing back a Dolby recorded tape, the Dolby NR Switch
must also be set to ON position.