4-TRACK RECORDING/PLAYBACK SYSTEM
OPERATING PRECAUTIONS
This model employs a 4-track system which can be used for
either stereo or monaural. Select desired track(s) with the
Track Selector.
STEREO RECORDING
&
PLAYBACK
srtftfo
Stereo recording and playback requires the simultaneous
use of two tracks. For stereo operation, set Track Selector
to STEREO position. The first stereo playback and recording
takes place on tracks 1 and 3. The second playback takes
place on tracks 2 and 4, after the machine has been set to
reverse mode or the reels have been inverted. To record on
tracks 2 and 4, invert reels.
MONAURAL RECORDING
&
PLAYBACK
MONAUKM
Fig. 12
Monaural recording and playback track sequence is I -4-3-2.
Set Track Selector to 1-4. The First monaural recording and
playback takes place on track 1, and the second on track 4
after the reels have been inverted. Invert reels and set Track
Selector to 3-2. The third monaural recording and playback
takes place on track 3, and the fourth on track 2 after the
reels have been inverted.
This model does not record in reverse direction. For reverse
playback, use sensing tape for automatic reverse or the
Reverse Button provided on the front panel for manual
reverse, or invert reels.
Your machine is constructed of the very finest materials
and with proper care will bring you many years of musical
enjoyment. We therefore urge you to read the following
instructions carefully prior to operation.
* The u*e of new tapes will result in the best recordings.
* As tape which has not been used for a period of time may have
become sticky, run tape one before using.
* Operate machine on a flat horizontal surface in either horizontal
or vertical position.
The conditions listed below do not indicate mechanical
failure of your unit. If any of these conditions are
exhibited, check for trouble as indicated.
Loss of sensitivity and tone quality may be due to :
*
Dirty erase head. This prevents pre-recorded
materials from being completely erased.
*
Dust on recording/playback head. See Head Clean
ing procedure.
*
Magnetized head. See Head Demagnetizing proce
dure.
*
AC power voltage lower than the voltage to which
your machine is set.
Irregularity in tape transport may be due to :
*
Improperly loaded tape.
0
Grime adhering to the heads.
*
Oil on capstan.
0
Sticky or dirty tape surface.
0
Bent take-up reel.
If your machine will not record, check the following for
correct position :
*
Input plugs and connections.
0
Controls.
The following notes are provided for your convenience.
*
Should there be a problem with your machine,
please write down model and serial number and all
pertinent data regarding waranty coverage, etc.,
and also as clear a description as possible of the
existing trouble and contact your nearest author
ized Akai Service Station or the Service Dept, of
Akai Company, Tokyo, Japan.
*
Your machine requires constant voltage for
optimum performance.
*
If the sound sources are so far from the micro
phones that the recording level controls roust be
turned to maximum, some hum or noise will
inevitably be recorded. In such an instance, a test
recording is recommended before attempting a
final recording.
OB
big. I I