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In Reply to: RE: Think bit more info for focused answers posted by Edp on March 22, 2023 at 09:01:57
I just took the question at face value - certainly not trying to put words in his mouth.
OP has a set of folded horn cabs that he will be driving with solid state amplification. Wants to know if the PMA6 will likely sound good relative to other options (coral beta, Tannoy, or others) in this application.
That's why I was surprised all the replies were 'model it'. Usually people are HAPPY to compare, contrast, and recommend drivers they have heard, and I doubt the application and drivers are rare....
Follow Ups:
If you have an enclosure already, seeking out opinions on optimal drivers is useful. If you do not have an opinion, then not much to offer.
As I said, modeling a cable to 'know' how it will sound is not useful, unless you reckon all cable sound the same.
Instead of just providing a simple answer to a simple question, on something that appears to be on a short lead time, the 'scientific method' is recommended. If someone wants to become proficient on modelling, then they probably would have asked for help on modelling. If you like modelling, then great. Likely very useful if designing enclosures, or just to while away the hours.
Do you really reckon nobody could provide a response that would actually be helpful on the OP question without modelling? Worth a chuckle...
Why model it? Because if you know what you're doing you don't have to hear a speaker to know how it will sound. The same people who don't believe in modeling tend to not believe in the worth of measurements and data, for the same reason: they don't understand it. Using modeling and data to know without hearing it how a speaker will sound is no different from a musician being able to play a song they've never heard via the magic of reading music. To quote Bob Dylan 'don't criticize what you can't understand'.
I believe in modelling and it can predict the sound of a back loaded Lowther horn but I've never seen an explanation for screeching upper mids and highs that come off the front of the original style PM6A. That part of the sound doesn't seem to show up in the models.
The cause for the screeching mids and highs shows up on the data sheet charts. Whether it's a back loaded horn, bass reflex or sealed box you have to combine the result up to roughly 200Hz from modeling with the result above that from the data sheets.
Amen Brotha Bill, from a different Motha.
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