FBT FORMULA 143FXA User Manual
Page 6

3
IN
THRU
USB
RIGHT
VOLUME
INPUT
GND
+5V
MIDI DATA
N. C.
N.C.
MIDI THRU
1
3
2
4
5
MIDI IN
2
4
5
1
3
+5V
N. C.
N.C.
GND
MIDI DATA
MIDI
6dB
0dB
LEFT
SPKR OUT
MIN. IMP. 4 OHM
SPKR OUT
MIN. IMP. 4 OHM
VOLUME
INPUT
TO REDUCE THE RISK OF FIRE REPLACE WITH
SAME TYPE FUSE AND RATING
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED PERSONNEL
1-
1+
2-
2+
N.C. 2- / 2+
THE SYMBOL “
“ INDICATES THE
PRESENCE OF TOUCH-SENSIBLE VOLTAGES
WHICH CAN CAUSE HARM TO BODY AND HEALT
INPUT
SPKR OUT
6dB
120V FUSE T16A 250V
230V FUSE T8A 250V
50 / 60Hz
PWR CONS. 2000VA PEAK
0dB
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
PK
PK
PK
PK
PK
PK
PK
PK
PK
PK
-30
dB
-30
dB
-30
dB
-30
dB
-30
dB
-30
dB
-30
dB
-30
dB
-30
dB
1
2
3
4
5
6
7 / 8
9 / 10
11 / 12
13 / 14
A
B
1
2
L
R
PAN
PAN
PAN
PAN
PAN
PAN
BAL
BAL
BAL
BAL
AUX
4
AUX
4
AUX
4
AUX
4
AUX
4
AUX
4
AUX
4
AUX
4
AUX
4
AUX
3
AUX
3
AUX
3
AUX
3
AUX
3
AUX
3
AUX
3
AUX
3
AUX
3
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
2
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
AUX
1
LF
LF
LF
LF
LF
LF
HF
HF
HF
HF
HF
HF
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
pre
post
post
post
post
post
post
post
post
post
post
post
post
post
post
post
post
post
post
post
MIC
MIC
MIC
MIC
MIC
MIC
MIC
MIC
MIC
1
2
3
4
5
6
LINE
LINE
LINE
LINE
LINE
LINE
INS
INS
INS
INS
INS
INS
7 / 8
9 / 10
11 / 12
13 / 14
L
mono
R
AUX
MASTER
PK
-30
dB
PK
-30
dB
PK
-30
dB
PK
-30
dB
MUTE
PFL
MUTE
PFL
MUTE
PFL
MUTE
PFL
MUTE
PFL
ON
ON
PRE
POST
AUX
1
AUX
1
AUX
2
AUX
2
BAL
BAL
2 TRK
L / R
AFL
CTRL
ROOM
MONO
FREQ.
PH. 48V
PWR
PFL / AFL
LEFT
RIGHT
ON
3
4
EFFECTS
FOOT SW
EFF RTN
A
B
R
L
EQ. IN
1
2
1
2
3
4
5
6
7 / 8
9 / 10
11 / 12
13 / 14
EQ. OUT
L
R
MAIN
L
R
CTRL
ROOM
L
MONO
R
pre
pre
PRE
POST
STEREO
L
mono
R
L
mono
R
L
mono
R
STEREO
STEREO
STEREO
A
C
L
L
L
L
L
L
L
L
L
L
R
R
R
R
R
R
R
R
R
R
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
-12
dB
0
0
0
0
0
0
0
0
0
0
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
-15
-15
-15
-15
-15
-15
0
0
0
0
0
0
+15
+15
+15
+15
+15
+15
-15
-15
-15
-15
-15
-15
0
0
0
0
0
0
+15
+15
+15
+15
+15
+15
-15
-15
-15
-15
-15
-15
0
0
0
0
0
0
+15
+15
+15
+15
+15
+15
MF
MF
MF
MF
MF
MF
kHz
kHz
kHz
kHz
kHz
kHz
100
100
100
100
100
100
8
8
8
8
8
8
300
300
300
300
300
300
3k
3k
3k
3k
3k
3k
1k2
1k2
1k2
1k2
1k2
1k2
-20
-20
-20
-20
-20
-20
+30
+30
+30
+30
+30
+30
10
10
10
10
10
10
10
10
10
10
60
60
60
60
60
60
60
60
60
60
mic
mic
mic
mic
mic
mic
mic
mic
mic
mic
line
line
line
line
line
line
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
100 Hz
HPF
HPF
HPF
HPF
HPF
HPF
HPF
HPF
HPF
HPF
63Hz
125Hz
400Hz
1kHz
2.5kHz
6kHz
12kHz
+15
0
-15
63Hz
125Hz
400Hz
1kHz
2.5kHz
6kHz
12kHz
+15
0
-15
0
-12
dB
0
-12
dB
L
R
0
+6dB
0
-6
0
10
7kHz
70Hz
7kHz
70Hz
OVL
+10
+7
+4
0
-4
-7
-10
-20
-30
LEFT
GRAPHIC EQUALIZER
AUX SND
+6
ST.
0
dB
-15
-15
-15
-15
0
0
0
0
+15
+15
+15
+15
HF
HF
HF
HF
-15
-15
-15
-15
0
0
0
0
+15
+15
+15
+15
MF
MF
MF
MF
-15
-15
-15
-15
0
0
0
0
+15
+15
+15
+15
LF
LF
LF
LF
+6
0
dB
+6
0
dB
+6
0
dB
ST.
ST.
ST.
EFFECT
10
0
dB
mute
serial parallel
L
R
EFF
C
4
AUX
send
0
10dB
FEEDBACK REDUCTION
TRIPLE DIGITAL STEREO EFFECTS
pre
0
-12
dB
pre
0
-12
dB
L
R
SND
2 TRK
B
FREQ.
FEEDBACK REDUCTION
PRESET
push to
CONFIRM
EFFECT
SELECT
TAP /
MODIFY
send
3
10dB
AUX
0
A
B
C
RIGHT
GRAPHIC EQUALIZER
INSERT
AUX
L
R
ON
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
SEZIONE CANALI MONO
SEZIONE CANALI STEREO
SEZIONE EFFETTO
SEZIONE MASTER
MONO CHANNEL SECTION
STEREO CHANNEL SECTION
EFFECT SECTION
MASTER SECTION