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Old 29th November 2010, 02:56 AM   #11
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Me (L) and Frank Bloehbaum, discussing Frank's all-tube, active, 6-th order xover.
I'd be very interested on the actual implementation of those inductors.

dave
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Old 29th November 2010, 10:06 AM   #12
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Old 29th November 2010, 10:35 AM   #13
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tnx !
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Old 29th November 2010, 10:39 AM   #14
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Remember the Elektor 'Opamplifier from Doug Self? 64 opamps parallel per channel for a power amp delivering 15W.
Nelson Pass' 'Beast with the 1000 JFETs'?

How about 50 dual triodes in parallel for a 100W/ channel tube Beast: Guido Tents latest creation. It even sounded great!
hi Jan

thanks, thanks...

these are indeed 50 double triodes each channel, the amp is called Centi-are, as it was built on exactly one square meter of wood.

For those who weren't there; It is a fully differential amp, triode connected EL84's serve as differential input, another pair of EL84 is AC connected as super linear cathode followers, being DC coupled to the output stage.

best
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Old 29th November 2010, 11:34 AM   #15
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EL84 as inputs, ECC83 as output tubes? Weird....

jan didden
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Old 29th November 2010, 11:39 AM   #16
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EL84 as inputs, ECC83 as output tubes? Weird....

jan didden
uhm, 6N3's as output

yes, it is a weird amp.....
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Old 29th November 2010, 03:42 PM   #17
gerd is offline gerd  Germany
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Sounds like a fun show.
Yes!
Three days substantial compressed fun!
Sufficiently, in order to survive a whole year! Up to the next ETF....

Last edited by gerd; 29th November 2010 at 03:47 PM.
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Old 29th November 2010, 11:25 PM   #18
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Hi Jan,
Just to make sure my girlfriend doesn't get any funny ideas: Martina's last name is Schoener, not Schröder(which happens to be mine ;-)

Frank

P.S.: I got to talk to more people than in all the previous years, so my fun was as uncompressed as most of the music heard at the ETF :-) Thanks Guys!!!
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Old 30th November 2010, 07:16 AM   #19
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Hi Jan,
Just to make sure my girlfriend doesn't get any funny ideas: Martina's last name is Schoener, not Schröder(which happens to be mine ;-)

Frank

P.S.: I got to talk to more people than in all the previous years, so my fun was as uncompressed as most of the music heard at the ETF :-) Thanks Guys!!!
Sorry Frank! I owe you a beer next ETF
And sorry Martina!

jan didden
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Old 30th November 2010, 07:03 PM   #20
Arkadi is offline Arkadi  Germany
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Hello,

I have also published the photos of it on my homepage:

ETF2010

regards,

Arkadi
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