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It is crucial to determine which model of audio drivers are being tested. Then, disconnect the outside speakers from the two terminals on the back of the amplifier. Put a DC ohm meter across the terminals. If the reading is higher than the listed value, then one or more of the drivers could be open, or a connection is corroded. If lower, one or more drivers or the wiring may be shorted. | It is crucial to determine which model of audio drivers are being tested. Then, disconnect the outside speakers from the two terminals on the back of the amplifier. Put a DC ohm meter across the terminals. If the reading is higher than the listed value, then one or more of the drivers could be open, or a connection is corroded. If lower, one or more drivers or the wiring may be shorted. | ||
==PD60 Drivers== | ==PD60 Drivers== | ||
[[File:PD60Drivers.jpg|400px | [[File:PD60Drivers.jpg|400px|PD60 Drivers]] | ||
*Single functional PD60 driver will read 9.5 - 10 ohms | *Single functional PD60 driver will read 9.5 - 10 ohms | ||
*Four PD60 drivers will read 2.5 ohms | *Four PD60 drivers will read 2.5 ohms | ||
| Line 10: | Line 10: | ||
*Four PD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms | *Four PD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms | ||
*Four PD60 drivers wired into a speaker line that is 25ft. will read .14 ohms | *Four PD60 drivers wired into a speaker line that is 25ft. will read .14 ohms | ||
==SD60 drivers== | ==SD60 drivers== | ||
*[[File:SD60Drivers.jpg|400px| | *[[File:SD60Drivers.jpg|400px|SD60 Drivers]] | ||
*Single functional SD60 driver will read 9.5 - 10 ohms | *Single functional SD60 driver will read 9.5 - 10 ohms | ||
*Four SD60 drivers will read 2.5 ohms | *Four SD60 drivers will read 2.5 ohms | ||
| Line 18: | Line 19: | ||
*Four SD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms | *Four SD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms | ||
*Four SD60 drivers wired into a speaker line that is 25ft. will read .14 ohms | *Four SD60 drivers wired into a speaker line that is 25ft. will read .14 ohms | ||
==PD60AT Transformer Drivers== | ==PD60AT Transformer Drivers== | ||
[[File:PD60ATDrivers.jpg|400px| | [[File:PD60ATDrivers.jpg|400px|PD60AT Drivers]] | ||
Revision as of 19:11, 2 November 2018
Testing Speakers
It is crucial to determine which model of audio drivers are being tested. Then, disconnect the outside speakers from the two terminals on the back of the amplifier. Put a DC ohm meter across the terminals. If the reading is higher than the listed value, then one or more of the drivers could be open, or a connection is corroded. If lower, one or more drivers or the wiring may be shorted.
PD60 Drivers
- Single functional PD60 driver will read 9.5 - 10 ohms
- Four PD60 drivers will read 2.5 ohms
- Two PD60 drivers together will read 5 ohms
- Four PD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms
- Four PD60 drivers wired into a speaker line that is 25ft. will read .14 ohms
SD60 drivers
- Single functional SD60 driver will read 9.5 - 10 ohms
- Four SD60 drivers will read 2.5 ohms
- Two SD60 drivers together will read 5 ohms
- Four SD60 drivers wired into a speaker line roughly 250ft. in length will read 1.4 ohms
- Four SD60 drivers wired into a speaker line that is 25ft. will read .14 ohms
PD60AT Transformer Drivers
