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airmech50
 Post subject: selectable tubes
PostPosted: Sat Jan 03, 2009 2:18 pm 
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I have a question that I know has been covered somewhere. How can I use both 6V6 & EL84 tubes at the same time? Do I need two output transformers? Can I use the two primaries of the sIII transformer for each set of tubes (one for EL84 and one for 6V6)?
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coco
 Post subject:
PostPosted: Sun Jan 04, 2009 8:48 am 
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Holy Ghost
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Check out the v6 documentation in the resource section for some ideas.

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coco
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PostPosted: Sun Jan 04, 2009 7:01 pm 
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Holy Ghost
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Do you want to run 6V6 AND EL84 at the same time, not switch between them but blend them?

If you use 4 tubes at the same time, you will need to use a 4K impedance tap on a transformer. Our OT has 8K & 5K at least its an option.

I have seen a cricuit where you blend them together. I'll see if I can find it.

Basically, you need adjust the drive. Kind of special master volume thingy!

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airmech50
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PostPosted: Mon Jan 05, 2009 11:10 pm 
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Thanks Stephen, I do want to blend them. If you can find that schematic it would be great.
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joeyvelour
 Post subject:
PostPosted: Tue Jan 06, 2009 8:08 am 
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Bruce Egnater has this "blend" feature on his Rebel 20 (along with a few other features that seem vaguely familiar) I'd be curious as well as to how this is done 8)

Joe G

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