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Re: [Amps] 3-400

To: <Gudguyham@aol.com>, <n5tog@bellsouth.net>, <Amps@contesting.com>
Subject: Re: [Amps] 3-400
From: "jeremy-ca" <km1h@jeremy.mv.com>
Date: Fri, 1 Feb 2008 08:51:32 -0500
List-post: <mailto:amps@contesting.com>
Hmmmm, have you ever tried loading a pair of 3-500's beyond 300 ma and 
watched the power? Im talking about a 2500V or so PS.

Misprint or not, it is completely wrong.

Carl
KM1H


----- Original Message ----- 
From: <Gudguyham@aol.com>
To: <n5tog@bellsouth.net>; <Amps@contesting.com>
Sent: Friday, February 01, 2008 3:29 AM
Subject: Re: [Amps] 3-400


>
> In a message dated 1/31/2008 8:53:41 P.M. Eastern Standard Time,
> n5tog@bellsouth.net writes:
>
> Hello i  have a swan amp with 2 3-400 the swan  manial say to load it to 
> 500
> to  600 mills  on the grid, i checked the internet and my manual is like 
> the
> others on the net , the bill orr handbook say 142 mills oer tube can some 
> one
> tell me if the swan manual is right or what? i just can not believe that 
> the
> swan  manual  500 to 600 mills can be right  can some one help  hear.. 
> Thanks
> Harold  n5tog
> _______________________________________________
>
>
>
> Indeed Harold, the manual DOES state that the grid current could be 
> between
> 500 and 600, it is NOT a misprint, Even the Swan Mark I  and Mark II amp
> manuals say the same.  That is a bit high for sure.  I would not worry  if 
> the
> grid current reached 400ma for a pair of tubes, but at that point you are 
> going
> non linear,  Load the amp a bit heavy to reduce the grid  current.  Lou
>
>
>
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