Velleman-Kit K4305 - Connecting the VU Meter; Connecting to a line level output

__________________________________________________________________________________________________________________________________________________________
11
Connect the unit to a suitable signal, this can be line level (LOW input) :
13. Connecting to a line level output (tuner, preamp, cd player… )
and connecting a power supply from 10 to 15VDC / 250mA max..
12V/250mA
12V/250mA
12V/250mA
MAINS
MAINS
FROM AUDIO AMPLIFIER
R
10...15VDC
1000uF/25V
+
1000uF/25V
1N4007
1N4007
+
SUPPLY
POWER
+
HIGH IN
LOW IN
+
P4304
RIGHT
LOW IN
HIGH IN
+
P4304
LEFT
L
TAPE
OUT
Connect the unit to a suitable supply voltage between 10VDC 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 trans-
former with a bridge rectifier and a electrolytic capacitor.