got two monacor sph 165c drive units spec haer SPH-165C - Monacor HiFi bass-midrange speaker 100Wmax 8Ω - Europe Audio want to build a sub using both drive units in a closed box but not sure what box volume to use or driver placement any help would be useful cheers gareth
I ran them through WinISD. It recommends ported. Sealed, it wants 15 liters for two drivers. F3 is 66Hz, so not a low playing sub. Better to port, but port would be way too long for the cab. You would have to use a wrap around slot design. Some quarter wave topology might work if you have the space.
Much better to put a good 25cm driver in a 30L sealed cab for a good entry level compact sub.
Much better to put a good 25cm driver in a 30L sealed cab for a good entry level compact sub.
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