Tangband W3-871S in Cyburg's needles - diyAudio
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Old 30th September 2005, 04:44 PM   #1
matjans is offline matjans  Netherlands
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Default Tangband W3-871S in Cyburg's needles

Yes, another tangband implementation...

Yesterday, I started building Cyburg's (Berndt Burghard) Needles (link ) and now, they're finished. The woodwork, that is.

A few pictures:
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Old 30th September 2005, 04:52 PM   #2
matjans is offline matjans  Netherlands
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So far, I'm still figuring out exactly how much stuffing I need and how to distribute it along the t-line. I think they sound pretty good if you take into account the cost of the total system.

I used the notch filter Berndt recommends but I'm not so sure this is the best filter one could design. Although the speakers sound nice, they may be a touch "warm". As someone noted earlier, piano music sounds great on these. Bass is astounding. Not much, but the bass that's there is rock-tight. They're a little high-shy but the drivers aren;t fully broken in so this might change too.

In the end, I'm pretty happy with the quality/cost and the quality/time-invested !


If I have time I'll try to post some measurements (have to get my mic calirated).
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Old 30th September 2005, 04:56 PM   #3
matjans is offline matjans  Netherlands
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Total cost:

2x tb w3-871s (?) got them from a friend
1x sheet of 15 mm mdf EUR 12
filter & stuffing & speaker terminal EUR 20
glue EUR 5

so let's say ~37 euro for the cabinets. I dug up the additional cables & connectors out of the parts-bin.
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Old 30th September 2005, 06:46 PM   #4
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Matjans, they look pretty good and I imagine they could look great in a good finish.

How about adding a small tweeter in a pod or box on top to help with the highs? I put some on my Buschhorns and they really improved the sense of air and liveliness in the sound. I have a feeling that most 'full range' drivers drivers below a certain price require a little help in the highs.
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Old 2nd October 2005, 01:46 AM   #5
Cyburgs is offline Cyburgs  Austria
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Default @matjans:

Nice Needles!

I would recommend to damp the lines until behind the driver, this might reduce the "warmness" of the sound a little bit.
As far as the heights are concerned:
If you look at the frequency plots of the Needle you will see that the heights of the W3-871S are against your experience even a little overrepresented on axis, normally I recommend to place the Speakers parallel and not turned in.

So: Either your drivers are really not fully broken in, or "Welcome to the world of natural heights!".

Keep informing about your further experience with the Needles,

nice greetings, Berndt
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Old 4th October 2005, 04:11 PM   #6
matjans is offline matjans  Netherlands
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Berndt, I have described the building process of my needles on my website and have included the diagram you've posted in one of the threads on my site. I hope you don;t mind.

my needle page
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