My Tang Bander - CT209 almost!

Eccu · 15th February 2005, 08:14 PM

Hello from cold Finland (-25 Celsius outisde at the moment)

I have finished my newest main speakers "head" parts. Bass stands will be also integrated under these pots.
Driver is Tang Band W3-871 (not S) and cabinet (flower pot) volume is 3,6 liters.
Notch filter is not included yet, but maybe later so then I can compare results with and without Notch filter.

More pictures in
http://personal.inet.fi/cool/teeseit...arit/index.htm

Text is only in Finnish, but I will make some english pages also, if I have enough spare time.

Eccu · 15th February 2005, 08:15 PM

Another picture

one1speed · 15th February 2005, 08:59 PM

Looks very sharp! I'll be interested to see how the bass unit turns out and how they work together. enjoy!

Josephjcole · 16th February 2005, 09:17 PM

They look good. I hope these turn out well for you. One word of caution though. I made myself a pair of ceramic enclosures for my fostex 108s, and I could never get them to sound quite right. I finnally had them measured, and there was a -15dB dip around 1kHz due to internal reflections. I've gotten distracted by other projects now, but I would certainly like to try out different shapes of ceramic enclosures in the future. They are certainly very inert, however if they get too round then where ever the frequency's 1/2 wavelength equals the interior diameter of the pot there will be a cancelation of that frequency. Just something to think about/watch out for. I hope you find this to be helpfull, and not just me raining on your parade. They do look very nice, and I wish you the best of luck.
Joe

Eccu · 17th February 2005, 08:35 AM

I attached (side view) picture where different wavelengths are drawn with different colors in bullet shaped box and normal rectangle box. Only vertical internal diameters. Ofcourse bullet is round shaped and "standing waves" will affect on small part (eg. red). But in rectangle box, one wavelength will fit on whole part.

sorry my bad english

Eccu · 17th February 2005, 08:42 AM

Top view:

Benny the 2. · 18th February 2005, 08:04 PM

Nice project.

But I'm not able to read your language (I'm able to communicate in german, danish and english)...
Do you have any translation?

Timn8ter · 18th February 2005, 08:41 PM

I love "alternative" enclosures. Especially when they look as nice as that one. Good job!

Eccu · 23rd February 2005, 06:49 AM

Quote:

Originally posted by Benny the 2.
Nice project.

But I'm not able to read your language (I'm able to communicate in german, danish and english)...
Do you have any translation?

My pages are under construction and I will make english pages too.

Timn8ter - Sometime ago I send email to you about your line array Tang Band speaker (four drivers) but you haven't answer (or my mailbox was full so I was not able to receive mails). I'm planing also linearray speakers (five similar Tang Band drivers) but I'm not sure how I have to design lowpass filter for four drivers (one driver will be fullrange).

Timn8ter · 23rd February 2005, 12:30 PM

I remember your e-mail but a I think there was a problem when I attempted a reply. I've shyed away from line arrays at this time. IMHO, line arrays have their place but I prefer the imaging and vertical dispersion of single point or virtual single point sources for music listening. If you go ahead with a full range driver line array project take a close look at how Jim Griffin has used power tapering and places a tweeter in the line.

18th February 2005, 08:04 PM	#7
Benny the 2. diyAudio Member Join Date: Jun 2004 Location: 75 kms south- west of Frankfurt / Main	Nice project. But I'm not able to read your language (I'm able to communicate in german, danish and english)... Do you have any translation? __________________ JayBeeOnline.de

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15th February 2005, 08:59 PM	#3
one1speed diyAudio Member Join Date: Jan 2005 Location: Ohio	Looks very sharp! I'll be interested to see how the bass unit turns out and how they work together. enjoy!

16th February 2005, 09:17 PM	#4
Josephjcole diyAudio Member Join Date: Jun 2004 Location: Wisconsin	They look good. I hope these turn out well for you. One word of caution though. I made myself a pair of ceramic enclosures for my fostex 108s, and I could never get them to sound quite right. I finnally had them measured, and there was a -15dB dip around 1kHz due to internal reflections. I've gotten distracted by other projects now, but I would certainly like to try out different shapes of ceramic enclosures in the future. They are certainly very inert, however if they get too round then where ever the frequency's 1/2 wavelength equals the interior diameter of the pot there will be a cancelation of that frequency. Just something to think about/watch out for. I hope you find this to be helpfull, and not just me raining on your parade. They do look very nice, and I wish you the best of luck. Joe

18th February 2005, 08:41 PM	#8
Timn8ter diyAudio Member Join Date: Jul 2003 Location: Seattle, WA	I love "alternative" enclosures. Especially when they look as nice as that one. Good job!

23rd February 2005, 12:30 PM	#10
Timn8ter diyAudio Member Join Date: Jul 2003 Location: Seattle, WA	I remember your e-mail but a I think there was a problem when I attempted a reply. I've shyed away from line arrays at this time. IMHO, line arrays have their place but I prefer the imaging and vertical dispersion of single point or virtual single point sources for music listening. If you go ahead with a full range driver line array project take a close look at how Jim Griffin has used power tapering and places a tweeter in the line.