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Old 30th July 2012, 05:14 PM   #2151
frugal-phile(tm)
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Pretty boxes. I think i have on eof those oval Sabas (just 1). Pictures of the drivers in the others?

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Originally Posted by Steven Mc Towelie View Post

I couldn`t edit my first post?!
The ability to edit a post expires after 1/2 hr.


dave
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Old 30th July 2012, 05:36 PM   #2152
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Thanks Dave

Freshley slaughtered;

Wharfedale Modus Cubes

Click the image to open in full size.


I get the four Modus Cubes for 30€ at Ebay,
the Saba GC are also from Ebay for 25€.
Not bad ey?
Since March this Year i`m infected with the DIY Virus.
And i can`t stop ; )

Markus

Last edited by Steven Mc Towelie; 30th July 2012 at 05:49 PM.
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Old 30th July 2012, 05:44 PM   #2153
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Thanx Markus.

For pictures you need to link to the picture, not the web page your picture is on (i've gone in and fixed your last 3 posts)
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Old 4th August 2012, 03:01 PM   #2154
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Hi,

I´d like to show a cheap, quick and dirty project: a wall mounted transmissionline with the full range driver Visaton BG 17. Ok, some may say this driver is not sufficient for hifi but suits better for guitar amps. Anyway, you´ll never know if you dont´t try, won´t you?!

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The aim was to develop a cheap box that matches with single ended triodes. Furthermore it had to be lightweighted and flat enough for wall mounting. The following sketch shows the sizes of the walls (all sizes in cm). The width of the side walls is 10 cm, the thickness of all walls 1.6 cm (I used simple spruce).

Click the image to open in full size.

After some experimentation with the damping I figured out the best solution in order to prevent mids coming out of the line. I started as shown on the top of the following pic...

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Click the image to open in full size.

Click the image to open in full size.

I am no fan of filter networks, notch filters and all that stuff so I left it out. Filters bend & disturb phase and impedance - not recommendable if you intend to use triodes. The frequency response of the Visaton BG 17 is relatively linear - linear enough for me as I did not intend to create mega high end with this project!

Click the image to open in full size.

Click the image to open in full size.

Visaton BG 17 with an efficiency of 93 dB @ 2.83 V.

Click the image to open in full size.

In the end this project costs around 50-60 bucks in total.
If you are interested in further information just have a look to my blog. It´s in German but you may use the translation tool of your browser.

2A3 Maniac: Cheap, quick and dirty: Visaton BG 17 DIY-Wall-Transmissionline
2A3 Maniac: Follow-up: Visaton BG 17 DIY-Wall-Transmissionline
2A3 Maniac: DIY-Wall-Transmissionline mit Visaton BG 17 - Follow-up II: die Bedämpfung

Cheers,
Carsten
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Old 4th August 2012, 04:38 PM   #2155
RKH is offline RKH  United States
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Default MJK OB, my rendition

I've been listening to these for 3+ years and just now got around to the finish work. If you look closely, there are flaws in the finish. So don't look closely...
Ryan
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Old 9th August 2012, 07:08 PM   #2156
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300SWR Sonido, in constant cross section TL with 1/3 displacement
160L of netto volume, no so small..
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Old 9th August 2012, 09:18 PM   #2157
kctess5 is offline kctess5  United States
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Quote:
Originally Posted by Charcoal View Post
300SWR Sonido, in constant cross section TL with 1/3 displacement
160L of netto volume, no so small..
Is this a different room than those gorgeous Sonido BLH sandwiches?

You always have really nice looking stuff, good work
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Old 11th August 2012, 06:56 AM   #2158
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My Ciare ph250
Against ITALIAN - ZU-
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Old 11th August 2012, 07:12 AM   #2159
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Is this a different room than those gorgeous Sonido BLH sandwiches?

You always have really nice looking stuff, good work
Yes, that is another room, in another city. Thanks))
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Old 11th August 2012, 07:50 AM   #2160
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Yes, that is another room, in another city. Thanks))
I apologize but I duplicated the post
Please delete one
thanks
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