11
14. Connection to a suitable signal
Connecting to a line level output (tuner, preamplifier, cd player… ) and connecting a power supply
from 12 to 15VDC / 300mA max..
Connect the unit to a suitable supply voltage between 12VDC and 15VDC, this can also be a standard DC
adapter. You can also build your own power supply, see diagram. Use a 2x12V transformer, two rectifier
diodes and a electrolytic capacitor or use a single 12V transformer with a bridge rectifier and a electrolytic
capacitor.
Fig. 4.0
Connection
FROM AUDIO AMPLIFIER
1000uF/25V
12V/300mA
12V/300mA
12V/300mA
MAINS
MAINS
1N4007
+
1000uF/25V
1N4007
+
OUT
R
TAPE
L
SUPPLY
12...15VDC
POWER
+
+V
K4306
HI
LO
LO
HI
RIGHT
LEFT
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