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Discussion Starter #1
As the next step of my project I’d like to buy a new set of tweeters to replace my GS10’s. The Frogs have been great but I’m just looking for something new.

I know GreatLaBrowski has ScanSpeak Illuminator D3004/6040-10 Beryllium Dome Tweeters and chose to stick with them after trying out a bunch of other tweeters.

For whatever reason these tweeters have really intrigued me and I’m strongly considering purchasing a set for myself.

I’m wondering if anyone else has tried them out, and if so what their impressions (either positive or negative) were.

Thanks in advance for opinions on these tweeters.
 

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As the next step of my project I’d like to buy a new set of tweeters to replace my GS10’s. The Frogs have been great but I’m just looking for something new.


Thanks in advance for opinions on these tweeters.

I'm running a pair in my Truck A-Pillars on-axis. I really like these tweets. It takes awhile to brake them in, but after that, they were really easy to tune to a Speaker Curve and are smooth and detailed. I found that the lowest I could cross them at was 2800(HP/LR24), anything lower and they would sound funky when turning up the volume. My Mosconi Amp are running them and my midranges, puts out 105 Watts per channel.

I've had the GB10's in the A-Pillar, and I like them, but the lowest I could get them to play decent at loud volume was crossed 3200(HP/24LR)

I'm really looking for a tweet that can play at loud volume crossed at 2000(HP/24LR), and when I find one, I'm gonna buy it... till then I'm happy with the Scans d3004-6040-00
 

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Mine replaced GB15's and I love them. They're in the dash corners, crossed at 2200 Hz 24dB LR. I have the D3004/6040-00.

There was absolutely nothing wrong with the GB15's, and I consider it a lateral change. There's just something about them that I prefer. They're just as smooth as the GB's, but a hair more detailed.
 

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Mine replaced GB15's and I love them. They're in the dash corners, crossed at 2200 Hz 24dB LR. I have the D3004/6040-00.

There was absolutely nothing wrong with the GB15's, and I consider it a lateral change. There's just something about them that I prefer. They're just as smooth as the GB's, but a hair more detailed.
James, are you running the Scans d3004-6040-00, or the Scans Scans d3004-6040-10. I think the -10 will play lower than the -00 due to the cone on the backside.....


ooopsss.... sorry, just seen in your post your have the D3004/6040-00... where is the delete post button.....
 

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James, are you running the Scans d3004-6040-00, or the Scans Scans d3004-6040-10. I think the -10 will play lower than the -00 due to the cone on the backside.....
The 00's. I must've been editing my post when you saw it. :D
 

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The 00's. I must've been editing my post when you saw it. :D
Impressive you got them to play at 2200..... whats your Amp wattage to those tweets?
 

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Discussion Starter #7
Nice to see that both of you preferred these to your frogs, even if they were only marginally better.

I think I’m going to try the deeper (-10 ) version out for myself soon. If I like them I think I’ll glass them into my door triangles and get rid of my gs10 were are in the German aluminum pods.
 

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I have them and absolutely love them. I run them on axis in the a-pillar and paired with the 18wu’s in the door. I can’t remember exactly but there crossed fairly low, I think around 2200hz. They are definitely my favorite small format tweeter but I haven’t heard the frogs.
 

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I've been eyeing the Scan beryllium for some time too...

My Sinfoni Tempo 10's have been excellent, and I really have no complaints with them.
But I've got the fever... you know, the fever that always costs more money.

I was recently put onto these new BlieSMa beryllium tweeters:

https://hificompass.com/en/speakers/measurements/bliesma/bliesma-t25b-6

https://hificompass.com/en/news/all-news/bliesma-presented-new-tweeter-line

They're not out for a few more months, but on paper they look incredible! (for a small format tweeter)
 

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I've had the GB10's in the A-Pillar, and I like them, but the lowest I could get them to play decent at loud volume was crossed 3200(HP/24LR)

I'm really looking for a tweet that can play at loud volume crossed at 2000(HP/24LR), and when I find one, I'm gonna buy it... till then I'm happy with the Scans d3004-6040-00
The GB15 can play loud with a 2000 Hz LR4 crossover as this is where I have mine set.

Curious why you had trouble getting your GB10 to play below 3200? I have mine at 2500 Hz LR4 and have no issues at all.
 

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Discussion Starter #13
I've had the GB10's in the A-Pillar, and I like them, but the lowest I could get them to play decent at loud volume was crossed 3200(HP/24LR)

I'm really looking for a tweet that can play at loud volume crossed at 2000(HP/24LR), and when I find one, I'm gonna buy it... till then I'm happy with the Scans d3004-6040-00
The GB15 can play loud with a 2000 Hz LR4 crossover as this is where I have mine set.

Curious why you had trouble getting your GB10 to play below 3200? I have mine at 2500 Hz LR4 and have no issues at all.
I agree that the gb10’s should play lower.

I have my gs10’s crossed at Andy’s recommended 2220 and they sound great.
 

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I have my Beryllium scans D3004/6040-00 in hand. Currently using the soft dome versions D3004/6020-00.

Should be have them swapped within the next 2 weeks. It’s not the D3004/6040-10 but I’ll do my best to post my opinions on their differences.
 

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Discussion Starter #15
I have my Beryllium scans D3004/6040-00 in hand. Currently using the soft dome versions D3004/6020-00.

Should be have them swapped within the next 2 weeks. It’s not the D3004/6040-10 but I’ll do my best to post my opinions on their differences.
.

Right On!
 

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I like this thread. Rise up beryllium fam. :D

I have my Beryllium scans D3004/6040-00 in hand. Currently using the soft dome versions D3004/6020-00.

Should be have them swapped within the next 2 weeks. It’s not the D3004/6040-10 but I’ll do my best to post my opinions on their differences.
It's a big difference IMO. I've had all 4 (both variants of the silk domes and both variants of the beryllium dome D3004's).

Take a look at the sexyness of this THD graph for the D3004/6040-00's (2.83v):



And still nice at (8v):



You gotta hand it to Scanspeak's SD2 motor, they really resist higher-order harmonics. The 2nd order harmonics are harmless and contribute to the warmth of the tweets.
 

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But looking at the Bliesma T25B-6's, you can see why they're interesting:

(2.83v):



(8v):



Excellent suppression of 3rd, 4th, and 5th order harmonics. 2nd order harmonics remain below 1% between 3-8khz, even at an 8v signal (loud). 2nd order harmonics above 8khz should be above audible frequencies.

The D3004/6040's are excellent small format tweeters. We'll have to see how the Bliesma's sound in person when they're released in a few months, but I'll compare them to my D3004/6040's.
 

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Not to nitpick, but the illusion audio copper-beryllium tweeters are not actually beryllium. Their domes are about 1-3% beryllium by weight.
 
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