MTX Audio THUNDERFORM Car Speaker User Manual


 
1
1
.
Ground amplifier to chassis of vehicle; connect the terminal provided
to the 10ga black wire from furnished wiring harness. A good ground is
as important as the power connection. The ground should be as short as
possible and the contact point should be free of paint and debris.
S
PEAKER WIRES
1
2
.
The best place to find speaker wires is behind the radio.
1
3
.
Remove (4) 7mm bolts from trim underneath steering column.
1
4
.
Remove (3) bolts holding the instrument cluster trim panel. Pull along
edge to unsnap.
1
5
.
Unplug lights and air bag cut off switch on the backside of the trim
panel.
1
6
.
Remove (2) bolts holding the radio in the dash.
1
7
.
Behind the radio, locate the rear speaker wires. Colors are right
channel; dark blue (positive) light blue (negative), and left channel; brown
(positive), yellow (negative). Tap into wires
with the supplied RCA High
Level input wires
and route over to driver’s side threshold and to pre-amp
of enclosure
Although, MTX has made every effort to assure proper wiring colors,
MTX is not responsible for any changes made by the vehicle manufac-
turer which sometime occur. If wiring colors do not match then physical
verification is required.
C
ONNECTION TO ENCLOSURE
1
8
.
Connect speaker wire
RCA's to the
inputs of pre-amp.
Note: Patented BTL turn on circuitry- amplifier senses DC offset provided by “high
powered” or BTL type head units. This feature turns the amplifier on automatically
if you are using high level inputs.
_
+
20 Amp Fuse
PW
R
GND
RE
M
EB
C
INPU
T
RIGH
T
LEFT
GAI
N
X-OVE
R
S
TATUS
GAI
STRIPED
SOLI
D
SOLI
D
Dar
k Blue (+)
Light Blue (-)
Ye
ll
ow
(-)
Bro
wn (+)
wn (+)
Optional EBC
(Electronic Bass Control
)
19
.
Plug power wire harness into amplifier pre-amp.
20
A
PW
R
GN
D
REM
EB
C
INPUT
RIGH
T
LEF
T
GAIN
X-OVER
STATU
S
2
0
.
Replace
20
amp fuse under hood.
3
4