What is the most used, most popular good tweeter ever? DIY or mass market and why? - Page 9

Mike Gergen · 15th January 2021, 09:40 PM

They aren't expensive, I bought a set of new ones in 1989 and another set a couple years ago for about $100. I've always liked Polk speakers.

Super fantastic? No, but for a $100 they are really nice. I'm going to use them for a HT set up when I get around to changing my room. 2 in the front, 2 in the back and I'll buy a center bar to go with them.

My first set has been my desk/computer speakers for years.

Mosquito · 15th January 2021, 09:54 PM

Quote:

Originally Posted by westsounds

That tweeter has appeared in 'a lot' of speakers, and some very good ones at that.

Yes, Polk Monitor 10B, RTA12, various Cizek models, and many many others

Galu · 15th January 2021, 10:50 PM

Quote:

Originally Posted by academia50

And furthermore, why were the wires used made of aluminum instead of copper, the latter being a better conductor of electricity and more malleable to manufacture and roll into circles, less brittle ?

Since high frequency response is mainly determined by the mass of the moving parts, the the lighter aluminium wire improves the high frequency response.

In addition, an aluminium coil has a lower inductance than a copper coil of equal resistance, and this reduces the rise in impedance at high frequencies.

westsounds · 15th January 2021, 11:05 PM

Quote:

Originally Posted by Mike Gergen

They aren't expensive, I bought a set of new ones in 1989 and another set a couple years ago for about $100. I've always liked Polk speakers.

Super fantastic? No, but for a $100 they are really nice. I'm going to use them for a HT set up when I get around to changing my room. 2 in the front, 2 in the back and I'll buy a center bar to go with them.

My first set has been my desk/computer speakers for years.

ah ok Mike, interesting. Not much experience with Polk seen a few models in the UK but never heard any. Those older ones actually look a lot better than the newer uk ones I've seen. They don't make em like they used to

H713 · 22nd January 2021, 08:17 AM

I agree with an earlier post about the Elac JET series. I've listened to (and own) speakers with JET II and JET III tweeters and IMO they are the best I've heard when it comes to high frequencies... the caveat being that they really need to cross at 2.5 kHz or higher, and most 6" drivers don't like that.

Interestingly, Quested has used the same Morel MDT30 since sometime in the 80s in all of their higher end products. It's about $80 at Madisound. Morel tweeters don't seem to get much love around here, but I listen to them every day in my Q108s and they really are a great driver. Even in really expensive systems like the QM412, they use the same Morel tweeter. The rest of the drivers are from Volt, so it's not like they're going for low-cost.

Quested really doesn't have a big audiophile following (which is a real shame), but they're right up there with ATC in the world of studio monitoring.

From a purely subjective standpoint, I think I prefer the JET tweeters, but I really think that they would be best at the top of a 3-way. Maybe if I can get my hands on a pair of them I'll build a 3-way with JET tweeters on the top and 10" volt woofers on the bottom.

markbakk · 22nd January 2021, 03:24 PM

Quote:

Originally Posted by Galu

Since high frequency response is mainly determined by the mass of the moving parts, the the lighter aluminium wire improves the high frequency response.

In addition, an aluminium coil has a lower inductance than a copper coil of equal resistance, and this reduces the rise in impedance at high frequencies.

I’m not following this completely. Could you explain?

Charles Darwin · 22nd January 2021, 03:35 PM

Quote:

Originally Posted by Galu

Since high frequency response is mainly determined by the mass of the moving parts, the the lighter aluminium wire improves the high frequency response.

Agreed. I understood that the aluminium wire was usually copper coated to reduce resistance?

Golyd · 23rd January 2021, 05:23 PM

Hi guys! maybe a little late in the tread, but what about the SEAS H087 and later H086 found in early Dynaco speakers, among others. those must have reached production numbers in the millions

planet10 · 23rd January 2021, 06:48 PM

Given that over a million A25 alone wer sold, yes, at least a million.

dave

23rd January 2021, 06:48 PM	#89
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III	Given that over a million A25 alone wer sold, yes, at least a million. dave __________________ Stay safe. Stay home. Respect the 2m bubble.

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15th January 2021, 09:40 PM	#81
Mike Gergen diyAudio Member Join Date: Sep 2004 Location: Elk River MN	They aren't expensive, I bought a set of new ones in 1989 and another set a couple years ago for about $100. I've always liked Polk speakers. Super fantastic? No, but for a $100 they are really nice. I'm going to use them for a HT set up when I get around to changing my room. 2 in the front, 2 in the back and I'll buy a center bar to go with them. My first set has been my desk/computer speakers for years.

22nd January 2021, 08:17 AM	#85
H713 diyAudio Member Join Date: Nov 2017 Location: Madison WI	I agree with an earlier post about the Elac JET series. I've listened to (and own) speakers with JET II and JET III tweeters and IMO they are the best I've heard when it comes to high frequencies... the caveat being that they really need to cross at 2.5 kHz or higher, and most 6" drivers don't like that. Interestingly, Quested has used the same Morel MDT30 since sometime in the 80s in all of their higher end products. It's about $80 at Madisound. Morel tweeters don't seem to get much love around here, but I listen to them every day in my Q108s and they really are a great driver. Even in really expensive systems like the QM412, they use the same Morel tweeter. The rest of the drivers are from Volt, so it's not like they're going for low-cost. Quested really doesn't have a big audiophile following (which is a real shame), but they're right up there with ATC in the world of studio monitoring. From a purely subjective standpoint, I think I prefer the JET tweeters, but I really think that they would be best at the top of a 3-way. Maybe if I can get my hands on a pair of them I'll build a 3-way with JET tweeters on the top and 10" volt woofers on the bottom.

23rd January 2021, 05:23 PM	#88
Golyd diyAudio Member Join Date: Dec 2017 Location: Akershus	Hi guys! maybe a little late in the tread, but what about the SEAS H087 and later H086 found in early Dynaco speakers, among others. those must have reached production numbers in the millions