Original Horn ID and operation questions Options

[Literati914]

While reassembling my ‘72 project it’s come time to figure out my horn situation. I found these two horns in a box and am not sure if one or both were original to the ‘72. My car does have the wiring for two horns but I can not remember if both of these were on it before disassembly. I kind of think the smaller one was on my ‘74 parts car.

Either way, I need to know: are these two normally used in conjunction with one another as low/high (quiet/loud (IMG:style_emoticons/default/biggrin.gif) ) - if that can even be determined without part #s? If they are both of the same volume I guess I’d just be using one - or do two quiet ones make a loud (IMG:style_emoticons/default/confused24.gif) Are there any knowledgeable horn experts that can help? Thanks

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[Literati914]

The horn on the left is an early stock Hella horn as noted by the screws around the perimeter....they can be taken apart very easily to repair...Later Hella horns have rivets which you have to drill out and replace to repair....Stock was one horn and second horn was an option and later added into the "Appearance Group" trim package....the 914-6 came stock with two horns..
I think the two horns Hz was 400 and 335

Good info, very helpful - thanks!!

Good news: is that I found two more horns.. one large early w/ screws around the perimeter. And another that looks like the late one I already pictured but it’s larger (yet not quite as large as the early ones either).

Bad news: is that only one of the four horns work when hooked directly to a good battery. It’s the larger late one that I went back and found. Glad I kept searching! I’ll run it solo on my current project until I can get the others to work or replaced.

Btw, I see no indication on the early horns as to what Hz they may be (again those are both physically the same size). Interestingly tho, the late looking ones that I have are both 335Hz, despite being sized differently. The 335Hz was actually louder than I had expected, so it’ll work for now.

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