EM Acoustics ST-215, Product User Manual

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Page 44 of 57
ST-215 User Manual
v2 November 2019
All feeds 1.5m length
All feeds 1.5m length
7.4 - System Connectivity
7.4.1 - Cable Length and Specification
All cables add to the system impedance, and as such careful selection is required depending on your
amplifier setup and overall system impedance. Cables with a cross sectional area of less than
2.5mm
2 should not be used. Recommended maximum cable lengths are given below:
Conductor Area Maximum Recommended Cable Length
2 ohms 4 ohms 8 ohms
2.5mm
2
(14 AWG) 15m 30m 60m
4.0mm
2
(12 AWG) 20m 40m 80m
6.0mm
2
(10 AWG) 30m 60m 120m
7.4.2 - Available Cable Accessories
There are a number of bespoke cable assemblies which can be supplied by EM Acoustics to
ensure correct wiring for your system, both using DQ Series amplifiers alone and also using
the DQRack touring solution.
SPLIT-19P-NL4
Intended for use with 19-pole circular connectors such as Socapex, the SPLIT-19P-NL4
assembly gives six 2-core cable sends, on NL4 connectors, with 1.5m of cable for each
feed. This assembly is intended for use at the loudspeaker end of the cable run.
SPLIT-NL8-NL4F
Intended as a cable assembly to split from NL8 cables to standard NL4 connections, this
assembly provides four 2-core feeds on 1.5m metre cables. This assembly is intended for
the loudspeaker end of the cable run.
19-pole pin Feed & Connection
1 Feed 1, 1+
2 Feed 1, 1-
3 Feed 2, 1+
4 Feed 2, 1-
5 Feed 3, 1+
6 Feed 3, 1-
7 Feed 4, 1+
8 Feed 4, 1-
9 Feed 5, 1+
10 Feed 5, 1-
11 Feed 6, 1+
12 Feed 6, 1-
13-19 No connection
NL8 pin Feed & Connection
1+ Feed 1, 1+
1- Feed 1, 1-
2- Feed 2, 1+
2- Feed 2, 1-
3+ Feed 3, 1+
3- Feed 3, 1-
4+ Feed 4, 1+
4- Feed 4, 1-