THEORY DLC-250.4, Installation And Programming Manual

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DLC-250.4 LOUDSPEAKER CONTROLLER
19
Connections
In the case of Lo-Z speaker connections, positive (+) amplifier
terminals should always be connected to positive speaker terminals
and negative (–) amplifier terminals always connected to negative
speaker terminals.
In the case of Hi-Z speaker connections, the two speaker cable
conductors should be connected between the positive (+) terminal
of Output 1 and the negative terminal (-) of Output 2, and likewise for
Outputs 3 and 4.
Output mode options (Lo-Z or Hi-Z) can be configured via the
amplifier network interface. See
Section 5
of this manual.
Connecting cables to the supplied female
output
connector is
illustrated in
Diagram 6c.
6.5 Speaker Cable Gauge
THEORY DLC speaker connection cable gauge should be chosen
appropriately to reflect the type of installation. The adjacent tables
specify the appropriate cable gauge for less than 0.5dB cable loss
with different installation types and cable lengths.
6.5 GPIO Connections
If any THEORY DLC GPIO functionality is required, cables will need
to be connected to the supplied GPIO connector. Connecting cables
to the GPIO connector is illustrated in
Diagrams 6d
.
6.6 Network Connections
THEORY DLC amplifiers are TCP/IP network connected devices
that are configured via a web page based interface. Wired (Ethernet)
and wireless (WiFi) connection options are available. Connecting
THEORY DLC amplifiers to a TCP/IP network is described in
Section 5
of this manual
Cable Gauge Table
Lo-Z installations, 0.5dB attenuation. 4 Ω & 8 Ω loads
Cable Gauge Table
70V Hi-Z installations, 1.0dB attenuation
20 speakers evenly distributed
Cable Gauge Table
100V Hi-Z installations, 1.0dB attenuation
20 speakers evenly distributed
Cable Cross
Section
(mm
2
)
Cable Gauge
(AWG)
Max Cable
Length
(Metres, 4 Ω
load)
Max Cable
Length
(Metres, 8 Ω
load)
0.75 ≈18 5 10
1.5 ≈16 10 20
2.5 ≈14 17 35
4.0 ≈12 28 55
Cable Cross
Section
(mm
2
)
Cable Gauge
(AWG)
Max Cable Length
(Metres),
(125 W/channel)
Max Cable Length
(Metres),
(250 W/channel)
0.75 ≈18 90 45
1.5 ≈16 180 90
2.0 ≈14 <250 150
3.5 ≈12 <250 <250
Cable Cross
Section
(mm
2
)
Cable Gauge
(AWG)
Max Cable Length
(Metres),
(125 W/channel)
Max Cable Length
(Metres),
(250 W/channel)
0.75 ≈18 190 90
1.5 ≈16 <250 180
2.0 ≈14 <250 <250
3.5 ≈12 <250 <250
Note: Cable lengths should not exceed 250m.
Note: Cable lengths should not exceed 250m.