DanielT
Major Contributor
It all comes down to compromises. The tweeter i Tekton M-Lore, Peerless BC25 cannot be pushed too low without increasing distortion. 1.8 kHz even with a steep filter is too low for that tweeter. Seen from a distortion angle. That is the disadvantage. BUT the advantage CAN be better directivity, FR and so on if you do that. Note, it may be so. Trade-offs.To be honest I was expecting much worse. Although it's not state of the art, measurements look relatively reasonable for average speaker. If it was more expensive I would not like it, but considering the price, and that is built in USA, at least cabinets, I think it's a good deal. I would never buy speakers with more than one tweeter but this model is semi decent.
Only thing I don't understand is why they didn't chose more robust tweeter and crossed it at around 1800 hz. They are famous for using tweeters as mid drivers with very low frequency, I don't remember claims, but I think it was well under 1000 hz
There are very few 1 inch dome tweeters that that works well being crossed as low as 1.8 kHz.In fact, I can't think of a single 1 inch dome tweeter that would do it well (more than ok in that case). That even with a steep crossover filter.
You can see the distortion plot here on the tweeter in Tekton M-Lore:
Peerless BC25TG15-04 | HiFiCompass
hificompass.com
Actually, creating a two-way speaker with an 8" woofer and a 1" dome tweeter is a pretty hopeless undertaking. A design that belongs to a bygone era.
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