Tweeter for Lowther

virious · 28th January 2011, 03:00 PM

Hi

I'm planning to cut off the whizzercone of my Lowther PM6a and finding a substitute tweeter.

The Lowthers are running in an open baffle with a Morel UW1258 in a sealed box crossed at 400 Hz.

Any recommendations for a tweeter to mate with Lowthers?

I have been thinking of finding a pair of TAD TD-2001, but i don't know how well they would integrate.

Thanks,
Jeppe
Denmark

adason · 28th January 2011, 03:48 PM

sell the Lowthers before you butcher them, buy something else, dedicated as midrange, pair it with nice ribbon and you are in heaven
just a suggestion

Flaesh · 28th January 2011, 04:02 PM

how well Morel UW1258 crossed at 400 Hz integrates with Lowther?

frperdurabo · 29th January 2011, 12:43 AM

Tommy Horning produces loudspeakers using a whizzerless Lowther driver as the midrange. I've never heard them, but they've gotten good reviews. Older models used old Jensen RP horn tweeters, I believe. Not sure about the new ones - it's horn, but don't know who's.

If you can't stand the Lowther "shout," this might be worth doing. If you do, it'd be nice to see "before" and "after" frequency response plots.

virious · 29th January 2011, 01:40 PM

Thanks for the replys!

The Morel integrates quite well with the Lowthers.

The Lowthers have a damaged whizzercone and that is why i want to remove it. Lowther offers world-class midrange and I don't want another driver.

I have heard the Hørnings many times and it is astonishing.

Do you think that the TAD would integrate well?

Lynn Olson · 29th January 2011, 09:05 PM

If you can afford it, try the RAAL ribbon, which works down to 2~3 kHz. It's an astonishing combination with the Lowther - I heard the RAAL dipole combined with a Lowther at the 2010 RMAF, and it's the best I've ever heard a Lowther sound.

suntechnik · 29th January 2011, 09:43 PM

I absolutely agreed with adason once you have a ribbon there is no need for full range driver. I would go for Orca Raven or Pioneer instead of RAAL however.
Bohlender Graebener & Great Heil Air-Motion Transformer have nice reviews check parts-express.

Currently I do have Fostex T500AmkII crossed over by Deulund Coherent Audio 1uF (capacitor is great) and not very happy. I would say this tweeter needs steeper active crossover and dedicated amp therefore.

adason · 30th January 2011, 01:22 PM

Quote:

Originally Posted by virious

Thanks for the replys!

The Lowthers have a damaged whizzercone and that is why i want to remove it.

You did not mention that before, in that case you have very little change to sell it properly, go ahead and remove it. Frequency response measurement before and after would be a great thing to have.

virious · 30th January 2011, 02:33 PM

The RAALs look quite promising, exept the lower sensitivity of 95 dB/W. I need to find a place where I can hear them, before spending 1400$ (Price in Denmark).

At that price i'm reaching TAD territory(2nd hand). What would be best? I love the sound of TAD, but i'm not quite sure about using them with Lowther.

Sorry for not mentioning the damaged whizzer.

I'll try to get some measurements, if i decide to cut the whizzer of.

Thanks,
Jeppe

Flaesh · 06:56 PM

you can try cheaper drivers..
and why you don't ask about horns?? (or th2001 is meaning?)

28th January 2011, 03:00 PM	#1
virious diyAudio Member Join Date: Dec 2009	Tweeter for Lowther Hi I'm planning to cut off the whizzercone of my Lowther PM6a and finding a substitute tweeter. The Lowthers are running in an open baffle with a Morel UW1258 in a sealed box crossed at 400 Hz. Any recommendations for a tweeter to mate with Lowthers? I have been thinking of finding a pair of TAD TD-2001, but i don't know how well they would integrate. Thanks, Jeppe Denmark

28th January 2011, 04:02 PM	#3
Flaesh diyAudio Member Join Date: Dec 2009 Location: Eburg	how well Morel UW1258 crossed at 400 Hz integrates with Lowther? __________________ flesh flash flush

30th January 2011, 06:53 PM	#10
Flaesh diyAudio Member Join Date: Dec 2009 Location: Eburg	you can try cheaper drivers.. and why you don't ask about horns?? (or th2001 is meaning?) __________________ flesh flash flush Last edited by Flaesh; 30th January 2011 at 06:56 PM.

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28th January 2011, 03:48 PM	#2
adason diyAudio Member Join Date: Nov 2004 Location: home sweet home	sell the Lowthers before you butcher them, buy something else, dedicated as midrange, pair it with nice ribbon and you are in heaven just a suggestion

29th January 2011, 12:43 AM	#4
frperdurabo diyAudio Member Join Date: Sep 2009	Tommy Horning produces loudspeakers using a whizzerless Lowther driver as the midrange. I've never heard them, but they've gotten good reviews. Older models used old Jensen RP horn tweeters, I believe. Not sure about the new ones - it's horn, but don't know who's. If you can't stand the Lowther "shout," this might be worth doing. If you do, it'd be nice to see "before" and "after" frequency response plots.

29th January 2011, 01:40 PM	#5
virious diyAudio Member Join Date: Dec 2009	Thanks for the replys! The Morel integrates quite well with the Lowthers. The Lowthers have a damaged whizzercone and that is why i want to remove it. Lowther offers world-class midrange and I don't want another driver. I have heard the Hørnings many times and it is astonishing. Do you think that the TAD would integrate well?

29th January 2011, 09:05 PM	#6
Lynn Olson diyAudio Member Join Date: Jul 2004 Location: Northern Colorado	If you can afford it, try the RAAL ribbon, which works down to 2~3 kHz. It's an astonishing combination with the Lowther - I heard the RAAL dipole combined with a Lowther at the 2010 RMAF, and it's the best I've ever heard a Lowther sound.

29th January 2011, 09:43 PM	#7
suntechnik diyAudio Member Join Date: Jun 2010 Location: St. Petersburg	I absolutely agreed with adason once you have a ribbon there is no need for full range driver. I would go for Orca Raven or Pioneer instead of RAAL however. Bohlender Graebener & Great Heil Air-Motion Transformer have nice reviews check parts-express. Currently I do have Fostex T500AmkII crossed over by Deulund Coherent Audio 1uF (capacitor is great) and not very happy. I would say this tweeter needs steeper active crossover and dedicated amp therefore.

30th January 2011, 02:33 PM	#9
virious diyAudio Member Join Date: Dec 2009	The RAALs look quite promising, exept the lower sensitivity of 95 dB/W. I need to find a place where I can hear them, before spending 1400$ (Price in Denmark). At that price i'm reaching TAD territory(2nd hand). What would be best? I love the sound of TAD, but i'm not quite sure about using them with Lowther. Sorry for not mentioning the damaged whizzer. I'll try to get some measurements, if i decide to cut the whizzer of. Thanks, Jeppe

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