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Scott_F
 Post subject: Rules of Amp Design....
PostPosted: Wed Oct 19, 2005 8:00 am 
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Any rules out there that state that 4 power tubes must be lined up in a row?

I'm converting a Lightning over to 4xEL84. Not enough room, going to have to put them in a "box" configuration. Just curious if there are any unwanted effects from doing that. I don't really think so, but I never see it done that way.
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Bryan
 Post subject:
PostPosted: Thu Oct 20, 2005 10:43 am 
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The only thing I've ever heard is that they need to be 2.5" apart from the center.

i really don't have any idea if makes all that much difference. I would say at least 2 inches apart.


any takers?
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Plexi
 Post subject:
PostPosted: Tue Oct 25, 2005 8:06 pm 
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many old bogen amps used a box style layout, also look athe sunn model T, these are in a slanted box type . I'm sure there are many others..

Just remember if you do this..will you have room for the transformers,or will they need to be repositioned.

Richie
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coco
 Post subject:
PostPosted: Wed Nov 30, 2005 8:27 am 
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I just did the same thing, but from scratch. The tubes are in a box pattern and so far no problems. I posted a First Impression in this forum and wondered how yours was?

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Scott_F
 Post subject:
PostPosted: Sun Dec 04, 2005 1:18 am 
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I just read what you posted. I've been busy on other projects. I still have the stuff just sitting here. I hope to finish it this Christmas.
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Boogie92801
 Post subject:
PostPosted: Sat Nov 25, 2006 9:24 pm 
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why not 2x EL34 instead?
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coco
 Post subject:
PostPosted: Sun Nov 26, 2006 10:35 am 
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4 lets you incorporate a Half Power Switch You only use two of EL84s.

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