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Options for tangband 1772 enclosure
Options for tangband 1772 enclosure
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Old 30th January 2018, 06:12 AM   #1
photorealismstr is offline photorealismstr  Greece
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Default Options for tangband 1772 enclosure

Hi! I have been living with these drivers for the last two years in the standard blh from the tangband site. While I love the midrange and tremble the bass leaves a lot to be desired. Is there an enclosure design that can perform better under 200hz;I have heard good things about Bob brines tl designs. Any other options ;I have also started thinking making a two way speaker with a large woofer handling bellow 200hz how does this sound to you;Thanks in advance for everyone taking the time to give me his thoughts
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Old 30th January 2018, 07:25 AM   #2
hm is offline hm  Europe
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Thumbs down TB enclosures

Hi,

take a view on my HP,
look the Saxophon, RDH20, Posaune XL, or with sub the Schalmei
Attached Images
File Type: jpg RDH20 TB1772 monacorSPH-210 web.jpg (128.9 KB, 190 views)
File Type: jpg posaune XL ANS8 TK.jpg (40.1 KB, 184 views)
File Type: jpg schalmei_rieth5web.jpg (21.7 KB, 184 views)
File Type: jpg oskarr1.jpg (98.7 KB, 185 views)
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Old 30th January 2018, 08:34 AM   #3
norman bates is offline norman bates  United States
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Sounds like what I've been struggling with.
I don't need rumble, but want more slam in the midbass.
I started with big 3-way vegas 25 years ago.
Now i like time alignment and detail.

I came to the conclusion that no way a 10" full range run wide open plus single capped tweet crossed to a sub (150hz or lower) would equal the tactile bass (even at low volume) of my double 15's that were crossed at 750hz.

So i ran the 15's with the full range.
But the 15's in parallel are 9db hotter than the full ranger.
So i turned the bass knob from +6 to -6.
Worked well but i was getting too much maybe from 300hz - 800hz.

So i now run the wide range wide open and the sub crossing at 150hz.

But since the z curve isn't steep on my 15's, i will order a 1.6mH inductor sometime.
That should give a low pass 6db roll off (and -6db) at 400hz (4ohm load).
Then turn the bass down, that would lessen excursion on full range driver = cleaner.

So, you can parallel a more sensitive, smooth frequency response driver with your 8", then play with a 10 band eq to see if you like the results.


Good luck and keep us updated.
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Old 30th January 2018, 01:39 PM   #4
perceval is offline perceval  Taiwan
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I run a 15" woofer as well with my 1772. Both OB. It's been good.

I had the small BR box from Bob. If you are looking for more bass, get at least the tower ones.
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Old 30th January 2018, 01:39 PM   #5
photorealismstr is offline photorealismstr  Greece
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Quote:
Originally Posted by hm View Post
Hi,

take a view on my HP,
look the Saxophon, RDH20, Posaune XL, or with sub the Schalmei
Hm thank 's for your reply I will give your horns a thought by first sight they seem a little crazy for my style!
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Old 30th January 2018, 02:12 PM   #6
photorealismstr is offline photorealismstr  Greece
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What Is on my mind for now is to make a ported bookself enclosure for the 1772 and under that put a sealed 15 inch woofer crossed around 250hz with a first order crossover (I will need to find professional help for that cause my electronic skills are non excisting). I think I will have to look at a driver 8ohm around the same sensitivity as the 1772 for the base am I right;Also I use tube amplifiers based on 300b tubes with output of 8 watts I hope this combo doesn't fry my amps.. Or should I look for separate powered woofers for the bass;
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Old 31st January 2018, 06:08 AM   #7
photorealismstr is offline photorealismstr  Greece
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I have discussed with some friends and they explained to me that the best way to go is different amps and a minidsp hd for crossover and equalisation. I think that that's a good solution in terms of quality and ease. Also I get to keep all of my 300b juice for the midrange I love! So minidsp hd on it's way! p.s I already own umic so cost is OK.
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Old 31st January 2018, 06:54 AM   #8
photorealismstr is offline photorealismstr  Greece
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Any ideas on ported design for 1772 ; parts express suggests 24l others 40l.has someone here built a simple ported enclosure to give me some info on the size and performance of his speaker;
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Old 31st January 2018, 09:44 AM   #9
freddi is offline freddi  United States
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Options for tangband 1772 enclosure
Karlsonator8 tunes 41Hz

http://i.imgur.com/tnbO9Yy.png

xrk971's proposed XKi for 1772 (and Beta10cx)

http://i.imgur.com/yKHZPMq.jpg

GregB's wide - shallow box

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a DBR would be one option - look at Zobsky's w8-1772 comments

(the K-slot horn referenced was a BLH by RCA-Fan and intended more for 206 type parameters. The slit vent K12 was Karlson's 1956 - onwards Karlson 12 which (usually) had a 6-slit distributed port. That distorts badly on sine but works pretty well with music. A single port of their combined area would play sine quite well)

Please define "compromise" - zobsky - High Efficiency Speaker Asylum

Last edited by freddi; 31st January 2018 at 09:53 AM.
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Old 31st January 2018, 11:18 AM   #10
photorealismstr is offline photorealismstr  Greece
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Thanks freddi! They look interesting but for now I will go for a 40l ported simple box.Does anybody know if there is a formula for correct sides lengths; or any ratio will do ;
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