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Tang Band W8-1772 in a horn

213.185.28.193
Posted on June 12, 2013 at 08:24:07
Nariman


 
Hello.

New DIY enthusiast trying to learn more and getting ready to build first pair of speakers.

I stumbled over this on ebay today, a DIY Kit for the W8-1772.

Have not been able to find any reviews of this kit.
But how do you think the driver would perform in a horn like this?

I have also bought plans for Bob Brines' Mass loaded transmission line.

How would they compare to each other?
I know it might be difficult to say but..

Thanks

 

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RE: Tang Band W8-1772 in a horn, posted on June 12, 2013 at 08:35:42
Nariman


 
The ebay-link.

http://www.ebay.com/itm/Tang-Band-Horn-aus-Klang-Ton-/170726132848?pt=Lautsprecher_Selbstbau&hash=item27c0120c70

 

+1 for Bob Brines' MLTL with large radius edges, posted on June 12, 2013 at 21:23:37
scooter


 
For a full range speaker I find that a long, well stuffed MLTL better absorbs the mid vocal range frequencies than a large opening horn of similar height.

Bob Brines is an excellent speaker designer. Bob's W8-1772 MLTL has many positive reviews.

I put a 3" radius on the side and top edges of my MLTL to significantly reduce edge diffraction. Same interior dimensions. Heavy double MDF walls. Consider painting it the color of your walls using a modest-texture roller. Wraping the front and sides with wall paper is easy.

 

RE: Tang Band W8-1772 in a horn, posted on June 13, 2013 at 06:35:35
freddyi
Audiophile

Posts: 3869
Joined: December 6, 2001
 I wonder if this AJ Horn simulation is the same cabinet?

fwiw 1772 sounded pretty good to me in a Fostex BK20 horn. It will work in some Karlson couplers - a classic 2:1 chamber volume ratio -- 3 equal size vent double bass reflex should be ok too.
Karlson Evangelist

 

RE: Tang Band W8-1772 in a horn, posted on June 13, 2013 at 09:59:52
nariman


 
Freddvi,

Yes I think it is. The kit was from blue-planet i think!

 

RE: Tang Band W8-1772 in a horn, posted on June 13, 2013 at 12:29:13
freddyi
Audiophile

Posts: 3869
Joined: December 6, 2001
 that predicted 20dB/~110Hz hole if real (?) would not be a good thing - a simple bass reflex tower/MLTL would be easy to construct - w8-1772 can sound pretty good - it sounded better in my tiny Karlson "SK8" (a forum project) and factory 8 than in a Karlson 12 -- plus it sounded nice in the Fostex BK20 - I did not make a measurement.
Karlson Evangelist

 

RE: Tang Band W8-1772 in a horn, posted on June 14, 2013 at 12:55:50
Scott L
Audiophile

Posts: 353
Location: Knoxville
Joined: February 2, 2001



In my opinion, asking a driver to do what it really can't do well, is simply asking too much. Sure, they are full-range drivers, but they sound REALLY amazing in a front horn. These are old 1939 Jensen Exponential's
that were rusting out on an audio buddy's driveway. I asked if I could try an "experiment" as a long time ago, I heard what I considered an awesome sounding front horn system. These are by no means perfect, but what they do well, they do really very well. There is something to be said for a concentric coherent wavelaunch for everything above 250 Hz.
This "Red horn" system is very musically engaging, as opposed to my other system, which is sonically spectacular. Some day I hope to have both characteristics in one system.

 

RE: Tang Band W8-1772 in a horn, posted on June 14, 2013 at 14:07:11
zobsky
Audiophile

Posts: 569
Location: dallas, tx
Joined: June 11, 2005
 Do you have a link to the construction details of the front horn. I might give them another shot. The last pair of conicals I built were good, but not quite excellent. I own a pair of W8-1772 drivers and am familiar with them.

 

RE: Tang Band W8-1772 in a horn, posted on June 15, 2013 at 04:38:17
Scott L
Audiophile

Posts: 353
Location: Knoxville
Joined: February 2, 2001



Link ? No such link to anything. There are restored vintage horns. I was told they are exponentials. The price was right: $00.00 but I do have about $150.00 in restoration materials. Rust remover, brushes, paint,
6 boxes of mortite, 4 rolls of black plastic tape, and who knows how many hours of fun-in-the summertime.
If I could afford to, I'd buy some round tractrix/or Le"Cleach type front horns for these. Beware, though, if you try them, because the TB's are not standard 8 inchers. Somewhere closer to 8 3/4 if memory serves. I had to route out the driver baffle board so they fit flush, and then mounted against the horn aperture. I use them from 250 Hz +

 

RE: Tang Band W8-1772 in a horn, posted on June 15, 2013 at 12:06:00
hm
Audiophile

Posts: 210
Location: germany
Joined: February 29, 2004
 here a few solutions to TB 1772:

hm-moreart DIY horn speaker
http://www.hm-moreart.de/1.htm

 

Thanks HM (NT), posted on June 15, 2013 at 17:43:21
zobsky
Audiophile

Posts: 569
Location: dallas, tx
Joined: June 11, 2005
 -

 

RE: Tang Band W8-1772 in a horn, posted on June 15, 2013 at 17:44:02
zobsky
Audiophile

Posts: 569
Location: dallas, tx
Joined: June 11, 2005
 Thanks. Do you use a rear chamber with them, and if so - did you experiment with the size?

 

RE: Tang Band W8-1772 in a horn, posted on June 17, 2013 at 13:40:53
Scott L
Audiophile

Posts: 353
Location: Knoxville
Joined: February 2, 2001
 For a rear chamber, I simply used a cardboard tube, 9 inches in diameter and 18 inches long. Filled with acoustic, but not stuffed. Open backed.
For mid frequencies I feel this is better than a sealed chamber,of course bass and mid-bass horns often do better with sealed chambers.

 

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