Tang Band W3 1364sa bookshelf build completed - diyAudio
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Old 30th April 2012, 12:03 AM   #1
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Join Date: Jan 2011
Default Tang Band W3 1364sa bookshelf build completed

Hi All,

I thought I'd share with you a pair of speakers I just finished. the drivers are Tang Band W3 bamboo cone full range, I decided to use them after building my much loved W8 1772 speakers. You can see them here: My TangBand W8 1772 Build + pics

I built these for my sister in law & partner because they were listening to music through TV speakers... we can't have that!

The boxes are made from Radiata pine and the aim was to use natural renewable timber and laminate 7 sheets together so all the joins went right around the speaker the 5 pieces in the centre have been hollowed out with a router like a picture frame, then glued together with the solid sides. once this was done I routed out the speaker hole, added the gold terminal posts and gave them a coat of natural wax.

the drivers cost $76
the pine was $24
terminal posts & wire $12
wax and consumables $21

and let me say they don't sound half bad for $133!!!

the internal volume of the boxes is 3.36 litre with no dampening material. they have the same wonderful open sound that the W8 1772's have but need a surprisingly large amount of power to drive them.

Click the image to open in full size.

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the boxes were quite a bit of work and I hope they are appreciated! The amp used to drive them will be a hybrid valve pre (russian NOS 6n3p-ev) and solid state 2.5 watt power amp made by qinpu as seen in the last photo. I think they need more power so a small T-Amp would be advised if you intend to build a pair.

Cheers!
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Old 5th May 2012, 08:29 AM   #2
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Join Date: Jan 2011
After burning them in for a while I was not happy with the sound in the sealed box, it sounded constricted and to tight.

the box was designed using winisd and I ended uo with a 3.36 litre sealed enclosure, I didn't want to scrap to box, so after a bit of playing around I have rear ported the boxes and tuned them to 90Hz This gives good response from 80Hz and 2db gain from 100 tapering off to 170Hz.

The result is a much more relaxed and balanced sound. Ideally the box size should be around 7 litres tuned to 75Hz but I didn't want to scrap all the boxes and like the size of the boxes.

cheers!
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Old 5th May 2012, 12:45 PM   #3
jimbro is offline jimbro  United States
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Join Date: Nov 2010
Location: somewhere in Texas
Love that box! A bandsaw would make quick work of it if you ever try it again and have access to one. Very cool and very well executed. Congrats!
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