D'Amore engine'ring SMD OM-1 Benutzerhandbuch - Seite 6
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Problem: The meters do not return to the -
position
even when no audio signal is present.
Solution: There may be noise in the system or the
amplifier has some DC offset on the output. If DC offset
is the problem, it may be necessary to place a capacitor
in series with White or Grey wire to filter this noise
from the signal. If this is the case, a 10uF 200V non-
polarized capacitor will do the trick.
One side of
capacitor connected to amplifier, the other side of
capacitor connected to OM-1 White or Grey wires. Each
wire (white and grey) should have its own capacitor
connected as above. If system noise is the problem, it
will need to be tracked down.
Usual causes are
grounding issues and gain structure not set correctly.