Connections; Cable Lengths; System Configurations - Martin Audio Blackline F10 Manual

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CONTENTS
6
Each connector panel has two Neutrik Speakon connectors wired in parallel
with each other. The second connector allows use of a short link lead to
power another parallel loudspeaker. The connectors are wired as follows:
F8/F10/S12 Passive
7
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.
Conductor CSA
1.0mm 2
1.5mm 2
2.0mm 2
2.5mm 2
4.0mm 2
6.0mm 2
8
There are many different system combinations possible when the F8 and
F10 full-range systems are used with the S12 and other Blackline sub-bass
systems. Shown below are some typical configurations. The number of F8
or F10 full-range systems required to match the efficiency of one sub-bass
system is shown as a recommended cabinet ratio (RCR). Please note that
for simplicity each line in the diagram represents a pair of wires.
All material © 2007. Martin Audio Ltd. Subject to change without notice.
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CONNECTIONS

CABLE LENGTHS

4 ohms
11m
17m
22m
29m
44m
66m

SYSTEM CONFIGURATIONS

Martin Audio – Blackline F8, F10, S12
(Fig 4)
Maximum Cable Run
8 ohms
22m
34m
44m
58m
88m
132m
7
GUIDES
16 ohms
44m
68m
88m
116m
176m
264m