SB-200

Gil Cleeton gcleeton at HOTMAIL.COM
Fri Jan 26 12:08:09 EST 2007


No Ray I think he's trying to tune the input of the amp - there's no reason 
why the input of a tube amp should not be the same as a solid state amp say 
50 ohms.
Gil


>From: RAY FRIESS <rayfrijr at MSN.COM>
>Reply-To: RAY FRIESS <rayfrijr at MSN.COM>
>To: HEATH at LISTSERV.TEMPE.GOV
>Subject: Re: SB-200
>Date: Thu, 25 Jan 2007 19:21:35 -0700
>
>Corky:
>It sounds like youre trying to use the 200 with a solid state rig.
>The easiest way would be to get a low power tuner and use it between the 
>rig and the 200.
>One of the disadvantages of these new solid state thingies is that they 
>need to see a low swr or they automatically reduce their power output.  
>That happens when they see an input impedance similar to the older amps ..
>Those of us who still use tube rigs don't have to worry about such things 
>because the output circuit of the tube rigs is tunable and will match the 
>impedance of the tube amp input...
>
>   ----- Original Message -----
>   From: Corky Kirk<mailto:w6ors at YAHOO.COM>
>   To: HEATH at LISTSERV.TEMPE.GOV<mailto:HEATH at LISTSERV.TEMPE.GOV>
>   Sent: Thursday, January 25, 2007 5:32 PM
>   Subject: SB-200
>
>
>   1-25-07
>   Am in the process of setting up this SB-200 amplifier.
>   I have dipped the input coils to their respective
>   bands and added capacitence where needed, and now want
>   to set them up to the exciter, understanding this has
>   to do with low VSWR.
>
>   The Heath manual gives no directions on how to do this
>   procedure.
>
>   Can anyone direct me where I might find the info?
>
>   73,
>   Corky W6ORS
>
>
>
>   
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