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What tweeter and 7" woofer for the best 2 way?
What tweeter and 7" woofer for the best 2 way?
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Old 23rd May 2018, 01:04 AM   #1
sjm1580 is offline sjm1580  United States
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Default What tweeter and 7" woofer for the best 2 way?

Curious for opinions for what would be considered the best combination for say a 20 Liter +/- sealed cabinet.

My thoughts so far are:
Scan Speak Illuminator D3004/66400 &
Scan Speak Revelator 18W/8531G

Thanks for the input!

Last edited by sjm1580; 23rd May 2018 at 01:12 AM.
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Old 23rd May 2018, 01:32 AM   #2
5th element is offline 5th element  United Kingdom
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This is one of those questions that could have any number of answers, but for me...

SB Acoustics SB17NBAC35 woofer.
Monacor WG300 waveguide.
Some Be tweeter on the waveguide.

I was going to pick the transducer lab Be dome but I thought they'd gone out of business, so perhaps just the Scanspeak one.

Cross at about 2.2kHz for a good directivity match. Why the SB metal cone driver? Because I enjoy metal cones and the SB is rather unique in that the ribs keep the amplified harmonics, that are usually found in stiff drivers, well controlled, and would allow for a 2.2kHz xover.

The other option would be to use something like the T34A from Bliesma on the waveguide and cross at 1kHz.
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Old 23rd May 2018, 01:37 AM   #3
jReave is offline jReave  Canada
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Troels has put some very nice high end 2-ways together:

MW19P-8
Illuminator-Monitor
AT-SW
ATiRi
ScanSpeak-Ellipticor-1
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Old 23rd May 2018, 01:46 AM   #4
etalon90 is offline etalon90  Canada
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I had very good result with the 18w8531 as a 2 ways bookshelf.
~20l enclosure.

For tweeter, the transducer labs ceramic are very good for the price.
The beryllium is sure better but for this kind of project I would go the ceramic one.

good luck
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Old 23rd May 2018, 03:31 AM   #5
ScottG is offline ScottG  United States
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Maybe this?:

Pharaoh | HiFiCompass

(..thought it's not sealed.)
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Old 23rd May 2018, 04:27 AM   #6
Bill poster is offline Bill poster  Thailand
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Quote:
Originally Posted by etalon90 View Post
I had very good result with the 18w8531 as a 2 ways bookshelf.
~20l enclosure.

For tweeter, the transducer labs ceramic are very good for the price.
The beryllium is sure better but for this kind of project I would go the ceramic one.

good luck
v good suggestions. TLab are now out of business, so either grab a pair quick or consider an alternative
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Old 23rd May 2018, 05:18 AM   #7
LineSource is offline LineSource  United States
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I am very pleased with the 7" Satori MW19P-4 and SB29RDC-4 tweeter on a flat baffle 0.7cuft volume cabinet with a rear port that can also be sealed. With passive crossovers at 1650Hz, both BW3/BW3 and LR4/LR4 circuits produce great sound free of cone breakup. I tested the passive LR4/LR4 for confidence with a future 2-channel amp with active LR4/LR4 Xover.

A sealed box Satori MW19P-4 covers human voices from soprano to bass.
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Old 23rd May 2018, 08:22 AM   #8
wolf_teeth is offline wolf_teeth  United States
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The Rival Acoustics Aramid-fiber R176-KC-08 will have an F3 of ~65Hz in 12 ltrs while keeping its composure until about 100dB, according to simulation. 20 ltrs vented (I know the OP said sealed) will yield an F3 about 25Hz lower, and be just as clean with a little more driver protection around tuning.

I agree that the MW16P or MW19P would be great in a sealed box.

Later,
Wolf
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Old 23rd May 2018, 04:37 PM   #9
ScottG is offline ScottG  United States
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8", not 7" ..and a slightly larger sealed enclosure of about 25 liters:

http://motusaudio.com/wp-content/upl...eet-8-2015.pdf

..and for the tweeter perhaps:

https://www.parts-express.com/pedocs...ifications.pdf
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Old 23rd May 2018, 05:38 PM   #10
Pilover2000 is offline Pilover2000  Canada
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Quote:
Originally Posted by ScottG View Post
If you check out the AMT4 it dies after 14k. People are reviewing it as more of a midrange.

I haven't heard anything about these but they look interesting for the top end:

Aurum Cantus AST2560 Aero Striction Tweeter


Grant.
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Last edited by Pilover2000; 23rd May 2018 at 05:45 PM.
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