FBT USA, Inc. P.O. Box
3
53516 Palm Coast, FL. 32135
U.S.A.
Phone
8
00 333-9383
Fax
3
86 437-7990
Email: fbtusa@sbcglobal.net
FBT Electronica SpA Zona Industriale Squartabue Recanati, Italy 62019
FBT Formula 248 28 Channel Mixer
FBT Formula 248 Mixer - Completely Made In Italy
Features
General
2
4
Balanced XLR
M
ono Mic/Line
inputs
2 Stereo Channels
, each
with
balanced
L&R 1/4"
line inputs and a Balanced XLR input
C
hannel assignment
to
the
4
Sub groups, the Mono and
the
M
ain Left/Right Outputs
100mm long throw custom design, ultra low-noise (dust protected) faders
2 track Stereo L&R
RCA
ins/ outs
1
2
step LED Ladder type metering
48 v Phantom Power
:
Supply,
s
witchable in sections of 4 input channels
4
pin XLR Lamp socket for a 12v/ 5w gooseneck lamp
A
uto switching AC power circuit: allows worldwide use with electrical supply from 90v - 230v AC
C
hannels 1
-
2
4
feature:
Balanced
XLR
Mic input
Balanced 1/4" TRS line input
Balanced 1/4" insert jack
Balanced 1/4" Direct
Out
P
reamp
G
ain
potentiometer
-20db Pad
HPF (
H
igh
P
ass
F
ilter) switch - eliminates all frequencies below 100Hz
4
band EQ - with
dual
mid band
s
weep
s
f
rom
100Hz - 8kHz,
HF
& LF bands shelving type
with 15 dB cut /boost on all
4
bands
8
Aux.
S
ends: #1-
4
p
re EQ, #
5
&6
switchable
p
re or
p
ost
EQ
, #
7
&8
post
EQ
Pan control
L-R
C
hannel Peak LED
Channel Mute
Main
L / R switch
assignment
Sub
Group assignment switchs 1,2,3 and 4
PFL (
P
re
F
ader
L
isten) switch
100mm long throw
custom design
faders
Stereo Channels A&B
Gain potentiometer
HPF (
H
igh
P
ass
F
ilter) switch - eliminates all frequencies below 100Hz
Rotary
Volume control
s
for th
e
L/R (A) and L/R (B)
1/4"TRS stereo input jacks
4
band shelving EQ with 15dB of cut and boost
8
Aux.
S
ends: #1-
4
p
re EQ, #
5
& 6
switchable
p
re or
p
ost
EQ
, #
7
&8
post
EQ
Pan/ balance control
C
hannel Mute switch
Main
L / R
output
switch
Sub
G
roup assignment switchs 1,2,3 and 4
PFL (
P
re
F
ader
L
isten) switch
100mm long throw
(dust protected) custom
fader
s
Effect Sends and Returns via AUX 7/8
Aux Send # 1-4
effects potentiometers, pre EQ
Aux
S
end #5 effects potentiometer
Balance
/
P
an control
E
ffects Peak LED indicator
Mute switch
Main
L / R switch
Sub buss 1 / 2 switch
PFL (
P
re
F
ader
L
isten) switch
100mm long throw fader
Sub Buss 1- 4
Pan / Balance
C
ontrol Potentiometer
Peak LED
I
ndicator
Mute Switch
AFL (After
F
ader Level)
100mm long throw
v
olume fader of Sub buss 1& 2
Matrix Mix
8 in/1 out X 4
M
atrix
c
hannels
Left & Right Master Outputs
Peak LED Indicator
Mute Switch
AFL (After Fader Level)
100mm long throw
v
olume fader of
L
eft &
R
ight
M
ain outs
Mono Channel Out
1
2
Step LED Ladder
type VU
Meter
:
L
eft &
R
ight Channels
PFL/AFL LED Indicator
Power
ON
LED Indicator
Control Room Volume Control
Peak LED
I
ndicator
Mute Switch
LPF (Low Pass filter) Switch: filters out all frequencies above 125Hz, ideal for controlling the volume
of
sep
a
rate
s
ubwoofer(s)
AFL (After Fader Level)
100mm long throw
v
olume fader
s
Master Aux Outs
Master
AUX 1-
8
: Aux #
1-
4
pre EQ send, Aux. #5&6
switchable
P
re or Post EQ send
,
A
ux. #7&8
P
ost EQ
AFL
(After Fader Level)
switch
Peak LED Indicators
Aux
1-
8
2 track input volume control
Left /
R
ight switch: 2 track to main mix
AFL - 2 track switch
2 Headphone 1/4" TRS Jacks out with built in 1w per channel headphone amps with independent volume
controls
SPECIFICATIONS
Back Panel
P
hoto