[Amps] Sweep Tube Amps

[Tim Kass]

I have had several sweep tube amps, Swan 1200W latest.... the tubes you mention are equivalent but I would not mix them with different tubes..best to stick with same tube number and same manufacturer... I have mixed brands even with the 811A tubes and I will often get one tube glowing more orange than the other...showing an imbalance .. so dont mix em...
 
73, Tim K8WBL

--- On Tue, 11/22/11, Carl <km1h at jeremy.mv.com> wrote:


From: Carl <km1h at jeremy.mv.com>
Subject: Re: [Amps] Sweep Tube Amps
To: dhallam at knology.net, "Amps reflector" <amps at contesting.com>
Date: Tuesday, November 22, 2011, 8:21 PM


You should probably ask that on one of the CB amp forums....seriously.They 
should have more experience and at least you may get a good laugh.

Carl
KM1H


----- Original Message ----- 
From: "David C. Hallam" <dhallam at knology.net>
To: "Amps reflector" <amps at contesting.com>
Sent: Tuesday, November 22, 2011 5:25 PM
Subject: [Amps] Sweep Tube Amps


> First of all, don't tell me to get a real amplifier.  I have other
> "real" amps.
>
> My question is: 3 sweep tube types are stated to be equivalent, 6JE6,
> 6LQ6, and 6ML6.  Are they really interchangeable in a set, i.e., can I
> mix the 3 types in a set of 6?  The amp has no way to equalize the idle
> current.
>
> I have built multi tube amps before, 4CX300A, but included separate bias
> adjustment pots for each tube.  I have no intention of building a sweep
> tube amp.
>
> David
> KW4DH
>
> -- 
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>
>
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> succeeding generation, more than the inhabitants of another country."
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>
>
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