Madrigal Imaging Mark Levinson No. 29 ユーザーズマニュアル
9
Bridged operation
When greater power output is desired, the Nº29 may be bridged for
monophonic operation into load impedances of at least 2
monophonic operation into load impedances of at least 2
Ω
.
Note: Make sure the loudspeaker is rated to handle high power
levels. For example, a bridged Nº29 driving an 8
levels. For example, a bridged Nº29 driving an 8
Ω
loudspeaker is
capable of delivering 200W RMS.
For the best bridged performance, we recommend balanced
interconnection. If your preamplifier provides balanced output, follow
the steps below.
interconnection. If your preamplifier provides balanced output, follow
the steps below.
Balanced
bridged operation
From preamplifier
balanced main output
Balanced
bridging cable
PUSH
PUSH
+
–
–
+
–
+
Loudspeaker
Nº29
Figure 9: Connections for
balanced bridged
operation
1.
For balanced bridged operation, you'll need a special three-
ended cable. You may fabricate such a cable according to
Figure 10; it's also available through your Mark Levinson dealer as
part of a balanced bridging kit.
ended cable. You may fabricate such a cable according to
Figure 10; it's also available through your Mark Levinson dealer as
part of a balanced bridging kit.
Note: If fabricating the cable, be sure to use high-quality
audio interconnect cable (such as Madrigal HPC).
audio interconnect cable (such as Madrigal HPC).
Connect the bridging cable's female XLR-type connector to the
appropriate channel of your preamplifier's balanced main output.
appropriate channel of your preamplifier's balanced main output.