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RE: Avantgarde Horns

A 5" exit compression driver would be crazy expensive, I think. I'd also expect a high end compression driver to be a little more sensitive than 104dB. By comparison, the TAD 4001 is small (voice coil "only" 100mm), gives 110 dB/watt and cost is $6000 a pair.

"The M1 is a 130 mm (5 in) midrange driver with a 75 mm (3 inch)
dome especially developed for the Uno and optimized for a large,
linear excursion"

This sounds like a well chosen / built conventional driver rather than a compression driver. The pic on the brochure looks like a regular driver.

Not that this is a bad thing - I'm thinking of making something similar myself*. When I punch the data for a normal pro 4.5" driver on a Uno Fino sized horn into Hornresp, I get something that models well - no ripple. It needs 3.5 watts to hit 104dB and -3dB point is 340Hz. 1mm displacement gives 113dB.

The Uno Fino claims better efficiency and a lower rolloff, but these claims seem within reason, given that their driver is specialised for horn loading, whereas I was modelling a standard driver.

*have ordered but not yet received the drivers, so still at the modelling / theory stage.

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