I heard 05 horns were ones they scrounged off the car line.
What Are The Specs on Gen 2 (2006+) Horns?
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For 2008, my horns are FIAAM AM80S, one low-note and one high-note (L and H are stamped on the horns).
From the FIAAM 2009 catalog (pg 14):
Frequency is 405 Hz (low) 500 Hz (high)
110 dBA each
Draw 9 amps of power
http://www.fiammamerica.com/media/documents/09Catalog.pdf
Confusing things is that their catalog on pg. 3 also lists an AM-80S (with a dash in the part number) which is a lot louder at 125 dBA. I assume it would be stamped on the horn with the "dash" in the part number, so I think I've got the 110 dBA versions (see the thumbnail).
Since they're different frequencies I don't think having two makes them any louder (but not sure). If they were the same frequency having two of them only raises the total level to 113 dBA. I don't know the math behind it, but found calculators online - two sources at 110 dB yields 113 dB.
If you've got the AM80S you should be able to replace the pair with one AM-80S Trumpet Horn and end up with something a lot louder (I think that's what you linked to in your OP based on its specs). There's also an AM-80S Freeway Blaster at 130 dBA that's even louder.
From the FIAAM 2009 catalog (pg 14):
Frequency is 405 Hz (low) 500 Hz (high)
110 dBA each
Draw 9 amps of power
http://www.fiammamerica.com/media/documents/09Catalog.pdf
Confusing things is that their catalog on pg. 3 also lists an AM-80S (with a dash in the part number) which is a lot louder at 125 dBA. I assume it would be stamped on the horn with the "dash" in the part number, so I think I've got the 110 dBA versions (see the thumbnail).
Since they're different frequencies I don't think having two makes them any louder (but not sure). If they were the same frequency having two of them only raises the total level to 113 dBA. I don't know the math behind it, but found calculators online - two sources at 110 dB yields 113 dB.
If you've got the AM80S you should be able to replace the pair with one AM-80S Trumpet Horn and end up with something a lot louder (I think that's what you linked to in your OP based on its specs). There's also an AM-80S Freeway Blaster at 130 dBA that's even louder.
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