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[AMPS] Kenwood TL-922A Grid Current

To: <amps@contesting.com>
Subject: [AMPS] Kenwood TL-922A Grid Current
From: measures@vc.net (Rich Measures)
Date: Wed, 3 Mar 1999 04:17:48 -0800
>
>In a message dated 3/2/99 10:13:54 PM Eastern Standard Time, km1h@juno.com
>writes:
>
><< >
> >I have changed tubes between three different amps and three different 
> >sets of 3-500Z's and it happens with all tubes.  I am sure the problem 
> >is in the amp.  In addition, I have checked the shunt resistors in the 
> >grid circuit, and they all check good.
> 
> What shunt resistors??  In an un -voodooed TL-922 there are no resistors,
> just a pair of grid chokes plus  220pf caps per pin. 


?  Carl -   Trio-Kenwood's schematic diagram for the TL-922 shows a 
resistor from each grid to ground in parallel with the choke, and that's 
no joke.  .  



Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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