Instructions

Pay attention to the polarity!
100 uF
+
+
+
-
-
-
6 x
Solder in capacitors and shorten protruding wires
to 1 mm.
The longer pin
is "+"
+
-
+
-
+
-
+
-
Plug IC into socket; if necessary bend the feet
slightly inwards.
Pay attention to the polarity!
Curve on the left
hand side
Apply a little solder to the 2 contacts.
(Pretinning)
Solder on potentiometer (Pot) and shorten
protruding wires to 1 mm.
Apply a little solder to
the 7 contacts
(Pretinning)
Solder the red and black cables (both 15cm)
to the solder pad.
Install 4 M4 x 10mm screws
to the front of the speaker
Turn over
Affix the protective grating
(can also be glued)
Secure and screw in with 4 x M4 nuts
Lay out parts
Install speaker
Construction of case front
5
I J
K L
M N
IMPORTANT!
B
C
D
E
A
1 x
1 x
D
E
Pot 220 kOhm
IC TEA 2025
Capacitor 100 uF
Red to "+" and black to "-"