Info on Mordaunt Short tweeter - MS1PT-3R5

busoni · 18th June 2009, 04:52 PM

I've managed to blow my Mordaunt Short 914i tweeters and it seems that spares are either difficult or too expensive to find.

I am thinking of replacing it with another tweeter, close to the original or even better. There is where I need your help. Nominal impedance is 4 Ohms, sensitivity of the speaker is 89dB. I can also find the crossing frequency from measuring the parts on the crossover. So, I am thinking to find a cheap, i.e. $40 tweeter, of 4 Ohms nom. impedance, 89dB sensitivity that works well above the crossing frequency. Ofcourse, the impedance being the same doesn't mean that the new tweeter will match well with my mid-woofer since I don't know the exact impedance of the original tweeter at the crossing point. But I still believe that it deserves a try.

What do you think?

busoni · 18th June 2009, 04:53 PM

Sorry for posting in the Full range subforum... Please delete it.

myspk · 10th August 2009, 10:16 PM

I would like to recommend you some high quality tweeters.They are highly efficient and cost-effective.

18th June 2009, 04:52 PM	#1
busoni diyAudio Member Join Date: Mar 2007	Info on Mordaunt Short tweeter - MS1PT-3R5 I've managed to blow my Mordaunt Short 914i tweeters and it seems that spares are either difficult or too expensive to find. I am thinking of replacing it with another tweeter, close to the original or even better. There is where I need your help. Nominal impedance is 4 Ohms, sensitivity of the speaker is 89dB. I can also find the crossing frequency from measuring the parts on the crossover. So, I am thinking to find a cheap, i.e. $40 tweeter, of 4 Ohms nom. impedance, 89dB sensitivity that works well above the crossing frequency. Ofcourse, the impedance being the same doesn't mean that the new tweeter will match well with my mid-woofer since I don't know the exact impedance of the original tweeter at the crossing point. But I still believe that it deserves a try. What do you think?

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18th June 2009, 04:53 PM	#2
busoni diyAudio Member Join Date: Mar 2007	Sorry for posting in the Full range subforum... Please delete it.

10th August 2009, 10:16 PM	#3
myspk diyAudio Member Join Date: Aug 2009	I would like to recommend you some high quality tweeters.They are highly efficient and cost-effective.