What are the defferences between Ademco 748 and 749 sirens?

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  #1  
Old 06-22-06, 07:13 PM
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Question What are the defferences between Ademco 748 and 749 sirens?

They seem to have the same descriptions on Ademco website.
1. Can someone please tell me the defferences between Ademco 748 and 749 sirens?
2. I have the Safewatch Pro 3000 alarm system. Do I need additional items (e.g. external power source, etc.) to install the 748/749?
3. Which model would you recommeded?

Thanks,
hdp.
 
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  #2  
Old 06-23-06, 03:34 PM
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748 is a 12vdc input self contained siren unit.

749 is a heavy duty 8ohm speaker that requires either a panel with a built-in siren driver, or an add-on siren driver module.

The 748 is the better choice for your system unless there is already a driver module already installed.
 
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Old 06-23-06, 06:37 PM
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Thank you.
 
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