User`s guide

All material © 2007. Martin Audio Ltd. Subject to change without notice.
H3
+
, H3H
+
NL4 bi-amplified connection
H3T
+
NL8 tri-amplified connection
S218
+
NL4 connection
Note: +1 is connected to +2 and -1 is connected to -2 inside the
S218
+
to allow 4-core cable users to double
the copper area, and, therefore, reduce power losses.
7 Cable lengths
When connecting Blackline
+
systems to an amplifier, it is recommended that the return resistance of the
cable used is less than one tenth of the nominal impedance of the system or systems in parallel. The table
below gives an indication of the maximum permissible cable runs for various conductor cross-sectional
areas.