Test Tones - Daktronics Sportsound SSN-150 Installation Manual

2� Inside the speaker cabinet at the terminal block assembly, disconnect the harness
side going to the speakers and measure the resistance.
•
•
SSN-100 Speakers
5.5 -
+
Ohms
5.5 -
+
Ohms
3� Measure the terminals directly on the back of the speakers
(disconnect at least one wire from terminal before
measuring).
•
After taking all measurements, be sure to reconnect all cables
to the correct terminals.

Test Tones

One way to determine whether all the drivers are operating
correctly is to play specific test tones.
• Subwoofer: 80 Hz – mute or disconnect column speaker
from amplifier (CH1 OUT) if possible to ensure you are only
listening to the subwoofer
• Low-Range* = 150 Hz
• Mid-Range* = 1000 Hz
• High-Range* = 8000 Hz
* Disconnect the subwoofer from amplifier (CH4 OUT) if possible to ensure you are
only listening to the column speaker.
If all tones are present, the drivers are connected and operating properly. If any test
tones do not play, the driver(s) may need to be replaced. Contact Daktronics.
If measurements match the values shown in Figure 31, this indicates that either
the wiring for each channel is flipped, or the main wire pull has a problem to
correct.
If measurements do not match, proceed with the next step.
SSN-150 Speaker Cabinet
5.5
Ohms
Each
Figure 31: Resistance at Terminal Block
If measurements do not match the values shown in
Figure 32, this indicates a bad crossover board within
speaker cabinet. Contact Daktronics to replace the
faulty speaker.
Troubleshooting and Replacement Parts
+ WHT
- BLK
+ YEL
- ORG
Control Enclosure
2.8
Ohms
5.5
Ohms
24
SSN-100 Speakers
5.5
-
+
Ohms
5.5
-
+
Ohms
Figure 32: Resistance at
Speaker
S
5.5
Ohms
Each