Originally Posted by 4kicknsnd
Can someone explain the differences, other than the woofer configuration, of these JTR speakers - Noesis 215RM and Noesis 215RT? This one also has me stumped - why would the Noesis 210RT cost as much as the Noesis 212HTR even though they are both 3 way and the 212 has bigger woofers? Does anyone have any of these speakers? Curious how they sound with a horn because I have heard a horn can make them hard on the ears. Maybe this is only with Klipsch!!??
Correlation vs causation.
Horns don't make speakers sound harsh.
Many (most?) speakers with horns do sound harsh, though, due to peaky sound (efficiency at the expense of fidelity), distortion from their tweeter, and/or unbalanced frequency response.
When you take a speaker that's well designed with a primary goal of high fidelity and low distortion, it's a different beast.
The horn helps control off-axis response and efficiency (dramatically lowering distortion).
The horn is just one ingredient, though, but it's a good one, not a bad one.
Virtually every recording studio and movie theater uses horns.
They wouldn't do that if they were bad.
From a technical perspective a horn does a few things:
1) It allows speakers to aim the sound appropriately for the application.
2) It keeps the frequency response consistent as you move off-axis.
3) It creates a high pressure zone at the throat of the horn, allowing the driver to work much more efficiently with much less movement (and associated distortion). Think of it like a drive gear ratio, so that the speaker driver can operate in its sweet spot. Your middle ear actually has a similar mechanism. It's referred to as "impedance matching." Similarly, your middle ear wouldn't bother with the extra complexity if it wasn't important.