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5. Cables and Connectors
Inputs are provided on both NL4 speakON connectors and barrier strip terminals. Two inputs of each type are
provided, with each set wired in parallel, to enable connection of an additional subwoofer to the same amplifier
output. The speakON connectors will accept wire up to 4 mm sq CSA (AWG 11) with an outside diameter of up
to 15 mm and a current rating of 30 A.
The pins of the two speakON sockets identified as input / output on the rear of the input panel are paralleled
within the enclosure. Tannoy have adopted the conventional wiring standard for the VSX Series product: pin 1+ is
positive pin 1- is negative. For a worldwide list of Neutrik
When choosing cable type, it is important to select the correct cross sectional area in relation to the cable length
and the load impedance. A small cross sectional area will increase the cable's series resistance, inducing power
loss and response variations (damping factor). Connectors wired with 2.5 sq. mm (13 gauge) cable will be
satisfactory under normal conditions; with very long cable runs, the wire size should be increased. Please refer
to the following table for guidance:
Cable Run (m)
conductor (mm
10
25
60
100
C.S.A. of each
)
resistance ohms
2
2.5
4
6
2.5
4
6
2.5
4
6
2.5
4
6
distributors see www.neutrik.com.
®
Cable
% Power loss into
8 ohm load
0.14
1.7
0.09
1.1
0.06
0.73
0.14
1.7
0.09
1.1
0.06
0.73
0.14
1.7
0.09
1.1
0.06
0.73
0.14
1.7
0.09
1.1
0.06
0.73
VSX Subwoofer Operation Manual rev 1.0.1
5. Cables and Connectors
% Power loss into
4 ohm load
3.5
2.2
1.5
3.5
2.2
1.5
3.5
2.2
1.5
3.5
2.2
1.5
5
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