Lehmannaudio Black Cube SE II Bedienungsanleitung Seite 26

50 Black Cube SE II
Signal on one The DIP switches are
EN
channel only. unevenly set.
One connection lead
has a loose contact, is
not well plugged in or
defective.
The subsequent input
stage is defective.
Left and right The channels were re-
channels are versed in the connection
reversed.
lead.
Signal level is too Non-optimal matching
low.
between pickup cartridge
and Black Cube SE II.
The selected input
impedance on the Black
Cube SE II is too low.
Check the positions of both
DIP switches. Make sure that
the settings are equal on both
channels.
Check the connection leads
for slack joints, loose pushfits
or defects and, if necessary,
replace them. Potential causes:
system cable (headshell),
tonearm cable from turntable
to Black Cube SE II and line
cable from Black Cube SE II to
the following input.
Check by connecting to differ-
ent line inputs.
Check the connection leads
and swap the channels here,
if necessary. Potential causes:
system cable (headshell),
tonearm cable from turntable
to Black Cube SE II and line
cable from Black Cube SE II to
the following input.
Increase the gain factor ac-
cording to this user manual
by means of the DIP switches
located on the bottom side of
the Black Cube SE II.
Select a resistance value for the
input impedance which is at
least 10 times greater than the
pickup's system impedance.
Signal is soft and An MC impedance has
muffled. been selected for an MM
system.
Signal sounds The gain is set too high
distorted. on the Black Cube SE II.
The output of the Black
Cube SE II is connected
to the subsequent phono
input.
The signal sounds The pickup system has
hollow, without
been connected phase-
a proper bass and
reversed.
localisation.
Audible hum. The tonearm ground is
not connected on the
Black Cube SE II.
Several connected devices
create a ground loop.
There is an interference
caused by some other
power consumer.
Black Cube SE II 51
Deactivate all MC impedances
EN
via DIP switch. Also watch out
for a custom impedance that
may be plugged in.
Lower the gain factor according
to this user manual by means
of the DIP switches located on
the bottom side of the Black
Cube SE II.
Connect the output of the
Black Cube SE II to a line input
on the following amp.
Connect the system cable
in-phase.
Connect the tonearm ground
on the Black Cube SE II.
Make a correct grounding con-
nection. If required, consult an
electrician.
One by one, disconnect all
devices connected to the same
electric circuit and listen to the
effect. Keep the interfering
device turned off during music
listening or use a mains filter
to connect it to the electric
circuit.