I own ADS L620 speakers. They're 2-way, with a 10" woofer and a 1" tweeter per enclosure. Recently, the local shop has been selling a pair of ADS L730. The L730s are 3-way with a 10" woofer, a 1.5 mid-dome, and a 0.75" tweeter.
And yes, the woofers and cabinet sizes of the two are the same. However, the L620s' woofers have midrange duties. They're crossed over at 1.5 kHz, while the L730s' are cut earlier at around 650 Hz.
I wonder if the midranges from the mid-domes have better quality (wider dispersion, lower distortion) than those of the woofers. Is it worth it, and will I gain a big difference if I go from a 2-way to a 3-way system with the same woofer?
And yes, the woofers and cabinet sizes of the two are the same. However, the L620s' woofers have midrange duties. They're crossed over at 1.5 kHz, while the L730s' are cut earlier at around 650 Hz.
I wonder if the midranges from the mid-domes have better quality (wider dispersion, lower distortion) than those of the woofers. Is it worth it, and will I gain a big difference if I go from a 2-way to a 3-way system with the same woofer?
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Personally I don't think that 1.5inch is " big " enough to be perfect for 550hz. And 1500hz for that 10 inch I dont think it's like 2.7k or 3k to be concerned about
cone breakup , if you like the sound of your ADS L620 keep them, but if you're bored and want to try something new , go ahead.
Usually they say lower cut freq for the tweeter ( expenisve 1 inch ones that can be cut at 700 or so , so the woofer won't play that high , might sound " better", I think it might be a preference thing , ( not saying going all the way, using a 8 inch drive for up to 4khz for example , to really " hear the cone breakup" if you really would anyway,
Best would be if u can try them ( L730s ) before buying .
No expert here by any means , just my opinion.
cone breakup , if you like the sound of your ADS L620 keep them, but if you're bored and want to try something new , go ahead.
Usually they say lower cut freq for the tweeter ( expenisve 1 inch ones that can be cut at 700 or so , so the woofer won't play that high , might sound " better", I think it might be a preference thing , ( not saying going all the way, using a 8 inch drive for up to 4khz for example , to really " hear the cone breakup" if you really would anyway,
Best would be if u can try them ( L730s ) before buying .
No expert here by any means , just my opinion.
No clue about your drivers and not enough tech info to hazard an educated guess, though in theory; historically ~1/2 the music power is below 500 Hz and point source drivers are basically (5) octave devices, so using the woofer > Fs*2^5 Hz isn't a good plan overall for optimal use and often should be limited to ~500-800 Hz depending on the music genres it will have to handle, especially since some of it ideally needs to be part of the XO roll off bandwidth (BW).
That said, if the woofer is limited to 550 Hz and the tweeter 4 kHz, then the 1/2 power mean is sqrt(550*4000) = ~1483 Hz, ergo ideal midrange driver's effective diameter = ~13543/pi/1483 = 2.91", ~2x the size they used, which IME when done this way, adding a mid is a 'no -brainer' (smart upgrade).
That said, if the woofer is limited to 550 Hz and the tweeter 4 kHz, then the 1/2 power mean is sqrt(550*4000) = ~1483 Hz, ergo ideal midrange driver's effective diameter = ~13543/pi/1483 = 2.91", ~2x the size they used, which IME when done this way, adding a mid is a 'no -brainer' (smart upgrade).
You can give the Dayton Aluminium 2" a try. They are not expensive and capable of what you ask here. Very linear frequency response, low THD ... nice drivers.
Technically it may be worth it, there is the potential for the tweeter to cut in harshly when it isn't supported in the lower treble. It can sound like a separate driver.
On the other hand listen to the other speaker first if you can, since this is a sensitive band and you want to make sure it's done well.
On the other hand listen to the other speaker first if you can, since this is a sensitive band and you want to make sure it's done well.