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rene schmitz 2040 style vcf pcb?
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Luka



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PostPosted: Tue Jun 02, 2009 8:00 am    Post subject: rene schmitz 2040 style vcf pcb? Reply with quote  Mark this post and the followings unread

does anyone have a layout of this ckt?

http://www.uni-bonn.de/~uzs159/

single sided and non smt if possible
im keen to give it a go

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Last edited by Luka on Tue Jun 02, 2009 4:19 pm; edited 1 time in total
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Pehr



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PostPosted: Tue Jun 02, 2009 11:52 am    Post subject: Reply with quote  Mark this post and the followings unread

for which circuit?
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numbertalk



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PostPosted: Tue Jun 02, 2009 11:59 am    Post subject: Reply with quote  Mark this post and the followings unread

Pehr wrote:
for which circuit?


This one - http://www.uni-bonn.de/~uzs159/rs2040.html - (it was in a frame and needed to be viewed independently to get its url).
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Pehr



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PostPosted: Tue Jun 02, 2009 1:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

wow, that's a lot of transistors Cool Very Happy
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widdly



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PostPosted: Wed Jun 03, 2009 11:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

I would use a ca3096 and a single discrete npn for each stage. The single npn would be half the darlington pair. A ca3046 would work for the expo converter.
Last edited by widdly on Thu Aug 05, 2010 10:01 pm; edited 1 time in total
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TekniK



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PostPosted: Thu Jun 04, 2009 3:10 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi somone knows where i can find 12 to 13 mm diameter knobs that are similar to these of the emu modular?

My 5U brushed anodised 2 color paint expensive fronts are now in manufacture
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TekniK



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PostPosted: Tue Jun 16, 2009 2:29 am    Post subject: Reply with quote  Mark this post and the followings unread

TekniK wrote:
Hi somone knows where i can find 12 to 13 mm diameter knobs that are similar to these of the emu modular?


nobody? Sad
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widdly



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PostPosted: Tue Jun 16, 2009 8:44 pm    Post subject: Reply with quote  Mark this post and the followings unread

Rolling Eyes

you might do better if you started a new thread instead of tacking an unrelated question about knobs onto the end of a thread about 2040 filters. sheesh!

Last edited by widdly on Thu Aug 05, 2010 10:01 pm; edited 1 time in total
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ericcoleridge



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PostPosted: Tue Jun 16, 2009 10:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

TekniK wrote:
TekniK wrote:
Hi somone knows where i can find 12 to 13 mm diameter knobs that are similar to these of the emu modular?


nobody? Sad


Sorry for OT:
Futurlec sells inexpensive knobs very similar:
http://www.futurlec.com/SwKnob.shtml
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TekniK



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PostPosted: Wed Jun 17, 2009 3:18 am    Post subject: Reply with quote  Mark this post and the followings unread

ericcoleridge wrote:
TekniK wrote:
TekniK wrote:
Hi somone knows where i can find 12 to 13 mm diameter knobs that are similar to these of the emu modular?


nobody? Sad


Sorry for OT:
Futurlec sells inexpensive knobs very similar:
http://www.futurlec.com/SwKnob.shtml


Thanks eric,but i already did an extensive search before asking the question here ofcoure,am looking for a very close match ,alternative option are large enough.

The only option seems to be on custom order so far:

http://www.ehcknobs.com/selector/forums.html?action=step4&part=EMS5DC2B&group=D107&series=107
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