Mini Mixer
Model
MN12
Owner's Manual
Thank you for purchasing our Fostex product.
Model MN12 is a maximum 12 input 2 output mini mixer and despite its small size, can mix a
multitude of sound sources and it also contains an AUX send/return connector for effect
processing. In channels 1~4, trim controls are provided to allow handling line/mic inputs, and
LO/HI equalizers are also provided.
Channels 5~12 are exclusively for line inputs and, both monaural and stereo sound sources can
be connected. Before proceeding to operate it, please carefully read this manual for correct
operation.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER - SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION:
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT,
FULLY INSERT.
ATTENTION:
POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LAME LA PLUS
LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET
POUSSER JUSQU' AU FOND.
The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
"dangerous voltage" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
"WARNING"
"TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE."
SAFETY INSTRUCTIONS
1. Read Instructions - All the safety and operating instructions should be
read before the appliance is operated.
2. Retain Instructions - The safety and operating instructions should be
retained for future reference.
3. Heed Warnings - All warnings on the appliance and in the operating
instructions should be adhered to.
4. Follow Instructions - All operating and use instructions should be followed.
5. Water and Moisture - The appliance should not be used near water - for
example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet
basement, or near a swimming pool, and the like.
6. Carts and Stands - The appliance should be used only with a cart or
stand that is recommended by the manufacturer.
An appliance and cart combination should be moved with care. Quick
stops, excessive force, and uneven surfaces may cause the appliance
and cart combination to overturn.
7. Wall or Ceiling Mounting - The appliance should be mounted to a wall or
ceiling only as recommended by the manufacturer.
8. Ventilation - The appliance should be situated so that its location or position
dose not interfere with its proper ventilation. For example, the appliance
should not be situated on a bed, sofa, rug, or similar surface that may
block the ventilation openings; or, placed in a built-in installation, such as
a bookcase or cabinet that may impede the flow of air through the
ventilation openings.
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
9. Heat - The appliance should be situated away from heat sources such
as radiators, heat registers, stoves, or other appliances (including
amplifiers) that produce heat.
10. Power Sources - The appliance should be connected to a power supply
only of the type described in the operating instructions or as marked on
the appliance.
11. Grounding or Polarization - The precautions that should be taken so
that the grounding or polarization means of an appliance is not defeated.
12. Power Cord Protection - Power supply cords should be routed so that
they are not likely to be walked on or pinched by items placed upon or
against them, paying particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the appliance.
13. Cleaning - The appliance should be cleaned only as recommended by
the manufacturer.
14. Nonuse Periods - The power cord of the appliance should be unplugged
from the outlet when left unused for a long period of time.
15. Object and Liquid Entry - Care should be taken so that objects do not
fall and liquids are not spilled into the enclosure through openings.
16. Damage Requiring Service - The appliance should be serviced by
qualified service personnel when:
A. The power supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid has been spilled into the appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or exhibits a
marked change in performance; or
E. The appliance has been dropped, or the enclosure damaged.
17. Servicing - The user should not attempt to service the appliance beyond
that described in the operating instructions. All other servicing should
be referred to qualified service personnel.
* Avoid using headphones for long hours at high volume levels.
Doing so can result in hearing failure. Any sudden increase in headphone sound
levels must also be avoided. This could result in damage to your hearing.
Connecting the AC adaptorImportant Notes in Operation
* Turn down all sound volume controls when switching on power to
this mixer.
Also, turn all volume controls when switching on/off power to the MN12. Otherwise,
a sudden loud noise could have a bad affect on you ears and your hearing.
* Turn down the sound volume control when plugging or unplugging
the headphone into the PHONES jack.
Always turn down the sound volume control when connecting or removing the
headphone plug from the PHONES jack. Doing so with the volume control turned
up, could result in hurting your ears.
* Switch off power to the mixer when interconnecting it to external
equipment.
Always be sure to switch off the MN12 power when interconnecting external
equipment to the MN12.
Names and Functions
1. DC IN jack
The AC adaptor included with the MN12 is
connected here.
2. Power switch
Switches ON-OFF (STANDBY) power to this
mixer.
3. AUX RTN jacks
This is connected to the effector output and the
effector processed signals sent to the stereo L,
R connectors. Input signals are adjusted with
the AUX RTN knob. If the effector output is
stereo, they are respectively connected to L and
R, and if output in mono, it is input to L/MONO.
4. AUX SEND jack
This is connected to the effector input and the
signals for effecting are controlled with the AUX
SEND knobs on their respective channels and
then output.
12. INPUT jacks
External sound sources are input here.
INPUT 1~4 complies to mic/line and levels
controlled with the TRIM knobs to match the input.
INPUT 5~12 are exclusively for line level inputs
and are in stereo. If monaural sound sources are
to be input, they should be connected to the MONO
marked 5, 7, 9 and 11 jacks, and for stereo, to the
5-6, 7-8, 9-10 and 11-12 jacks.
13. AUX send knobs
The AUX send knobs determine the level of the
input signal that will be sent to AUX SEND jacks.
The signal adjusted by these knobs can be sent
to an external device, such as an effect unit.
Plug the AC adaptor cable into
the MN12 DC IN jack and plug
the AC adaptor into the wall
outlet.
<NOTE>
Unplug the AC adaptor from the wall outlet if the MN12 is not to be
used for long hours or extensive periods of time.
The schematic is indicates that the outer sheath is minus polarity, and
the power supply is DC 12V.
DC IN
12V
14. Panpot knobs
Adjusts the sound position when signals input
to each input jack is output to the STEREO OUT
(L, R) jacks.
15. Input trim knobs
These are adjusted to match the output level of
the sound sources connected to INPUT 1~4
(adjusting range is -60dBV~-10dBV). If the PEAK
LED blinks, the levels with this knob.
16. Equalizer control knobs
These knobs control the low frequency range
(100Hz, +/-13dB) and high frequency range
(10kHz, +/-13dB) of the input signals of INPUT
1~4 jacks.
1 2
3
4
5
5. STEREO OUT jacks
The mixed signals is output to inputs of the MTR
and Mixer. The output level is controlled with
the MASTER fader.
6. LED level meter
Signals levels from the STEREO OUT jacks are
indicated by these LED'S.
7. AUX RTN knob
Signals effect processed are adjusted by this
knob and sent to stereo L and R.
8. PHONES knob
Adjusts sound of the headphones.
9. MASTER fader
This fader controls the signal that is output from
STEREO OUT L, R jacks.
10. PHONES jack
Monitor headphone is plugged in here.
11. INPUT fader
Adjusts input level of the sound source signal
applied to input jack 1-12.
POWER LED
EQ HI
EQ LO
16
AUX
13
PAN
14
TRIM
15
LINE
PEAK
11
1234
PEAK LED
POWER
0
5
0
L
0
EQ HI
+-
EQ LO
+0-
5
AUX
0
10
PAN
L
R
TRIM
LINE
MIC
PEAK PEAK PEAK
+
STAND BY ON
DC IN
12V
0
EQ HI
+-
EQ LO
+0-
5
AUX
0
10
PAN
L
R
TRIM
LINE
MIC
0
EQ HI
+-
+0-
10
R
MIC
+-
EQ LO
+0-
5
AUX
PAN
TRIM
AUX
0
10
PAN/
BAL
L
R
LINE
MIC
10101010
10
5555
0000
5
0
5/MONO 6
L/MONO
AUX RTNRAUX SEND
AUX
1050
RL
1050
PAN/
BAL
RL
10
5
0
10
5
555
0
000
7/MONO 8 9/MONO 10 11/MONO 12
12
LR
STEREO OUT
6
3
0
5
10
LR+-
AUX
PAN/
BAL
AUX
1050
PAN/
BAL
RL
10
5
0
AUX RTN
PHONES
1050
1050
MN12
10
5
0
MASTER
1050
RL
1010 10 10
5
0
6
7
8
9
10
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