hi there, does anybody of a project MTM that uses a dayton rs150/4 and the rs28 tweeter, any info will be appreciated.
All of the RS150/RS28 MTM designs I've seen use the RS150-8. RS150-8's can be paralleled for a 4 ohm load with a theoretical 6 dB sensitivity gain. You'd need to connect the RS150-4's in series for an 8 ohm load which doesn't give any sensitivity gain, although it reduces excursion by 1/2.
Here's a well regarded RS150-8/RS28 MTM design: LINK
Here's a well regarded RS150-8/RS28 MTM design: LINK
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AND, if you haven't purchased drivers yet then take a look at the RS150P drivers.
They are a bit better behaved on the top end.
They are a bit better behaved on the top end.
If you can find an MT project using that RS150-4 driver and an RS-28 tweeter, either metal or soft dome, the conversion to series MTM is trivial. Double coils and resistors, halve capacitors in the bass section. Cabinet size and ports double.
Looks doable to me on a brief sim with Dayton supplied FRD and ZMA files, but I am unsure how Dayton measure them to get it as accurate as I'd like. These are all loud +90dB drivers.
Very good idea to series wire 4 ohm basses in an MTM for an amp friendly 8 ohm impedance.
I don't know how serious the usual 5kHz metal cone breakup is with these, but it didn't look too awful on a 2.5kHz second order crossover. Notching would be an option.
Hope that helps.
Looks doable to me on a brief sim with Dayton supplied FRD and ZMA files, but I am unsure how Dayton measure them to get it as accurate as I'd like. These are all loud +90dB drivers.
Very good idea to series wire 4 ohm basses in an MTM for an amp friendly 8 ohm impedance.
I don't know how serious the usual 5kHz metal cone breakup is with these, but it didn't look too awful on a 2.5kHz second order crossover. Notching would be an option.
Hope that helps.
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