Tang Band w3-594s 3" & 295-320 12" project - Page 3 - diyAudio
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Multi-Way Conventional loudspeakers with crossovers

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Old 21st May 2004, 04:52 AM   #21
dvdwmth is offline dvdwmth  Canada
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Hi Hybrid,

Id really like to hear how these turned out for you. I had been considering an almost identical design and might still do it. Only difference was using the TB w3-871.

Hope you like them.
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Old 21st May 2004, 12:06 PM   #22
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Wow!

Ya I finished them. The finish was kinda hit and miss. I'll post a picture of them finished.

The speakers were a little bright. I wired the upper Tang Band and lower Tang Band out of phase (which I'm sure did wonders to the freq response on a first order crossover ). I will try and run just one full range as see how that sounds.

The bass is alright. Its there, but its not towering, however I think it may be a room mode, as when I stand up, the bass gets louder. Maybe I need to wire them out of phase or something.


Anyways I have been working on another secret project in the mean time, while these get broken in doing TV duty.

Heres my write up on them on my webpage, its not finished yet, but I'll finish it soon.


BTW, thanks for caring
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Old 21st May 2004, 12:48 PM   #23
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Alright as promised heres some pics.

Click the image to open in full size.

Click the image to open in full size.


Also I have some recomendations if you decide to use the PartsExpress vinyl laminate. Don't use any type of additional adhesive behind the laminate (like elmers glue). I had a hard time with wrinkles, which you can kinda see in the pic. However on the other speaker I didn't use any additional adhesive and they came out much better. Also get some you can spread out bubbles with, even if its a cheap plastic plaster spreader, those worked fine for me.
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Old 21st May 2004, 06:37 PM   #24
dvdwmth is offline dvdwmth  Canada
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The finish looks good in the pics.

I dont know what you ended up doing in your crossover but, if I understand it correctly, and thats a big if, baffle step correction might be the solution to your brightness problem. Post your crossover details and see what the guys who actually know about this stuff have to say.
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Old 21st May 2004, 10:42 PM   #25
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Yes you would be assuming correctly. There is no baffle step correction. Definently something to consider.
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Old 22nd May 2004, 06:07 AM   #26
navin is offline navin  India
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maybe 2 more drivers in the rear with a 6db filter at 300-400Hz will help.
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Old 22nd May 2004, 06:38 AM   #27
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very nice
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Old 22nd May 2004, 05:57 PM   #28
dvdwmth is offline dvdwmth  Canada
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Navin,

What would the rear firing drivers do. I assume its a lowpass filter your suggesting (ie. filter out the frequencies above the filter, just to be sure Im using the right term) so they would provide some low mid reinforcement, but why on the back? I've seen rear drivers suggested many times but I dont know why they are used.
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Old 23rd May 2004, 10:11 PM   #29
ogp is offline ogp  United States
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Default feet

Is that front foot just chrome pipe for faucets and such? How did you end up mounting to the bottom of your cab? Any ideas for ends?

They look pretty nice in the pics!
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Old 23rd May 2004, 10:39 PM   #30
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Quote:
Originally posted by dvdwmth
Navin,

What would the rear firing drivers do. I assume its a lowpass filter your suggesting (ie. filter out the frequencies above the filter, just to be sure Im using the right term) so they would provide some low mid reinforcement, but why on the back? I've seen rear drivers suggested many times but I dont know why they are used.
I'm not Navin but;
The rear drivers would be for baffle step compensation. They only need to provide support below the baffle step frequency which is why the low pass filter is there. A nice benefit is, when wired in phase, they also balance the mechanical effects of the front drivers on the cabinet and provide a more "open" sound to the speaker.
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