[Amps] SB-200 input.

[Carl]

I believe that the 80-20 and 15-10 ferrite cores are a different material.

Someone with the time, parts, test equipment, and inclination can run some 
tests as Im not trusting my memory on this one (-:

Carl
KM1H


----- Original Message ----- 
From: "Glen Zook via Amps" <amps at contesting.com>
To: "Tom Osborne" <w7why at frontier.com>; <amps at contesting.com>
Sent: Friday, July 25, 2014 11:35 AM
Subject: Re: [Amps] SB-200 input.


If you cannot locate replacements, and if the coil form is intact, then you 
can rewind the coil using similar size wire.

If the slug is frozen, then you can carefully break the slug into small 
pieces and remove with a "pick", etc. Then, replace the slug.

Glen, K9STH


Website:  http://k9sth.com


On Thursday, July 24, 2014 7:18 PM, Tom Osborne <w7why at frontier.com> wrote:



I know the SB-200 has tuned inputs. Two of the coils in this one are
bad. One of the caps is bad.

Can you give me a source where I can buy new coils for the inputs? I
need the ones for 15 and 10 meters.


Maybe some people shouldn't go off on a tangent on why people want to do
something until they know the circumstances.



On 7/24/2014 5:12 PM, Louis Parascondola wrote:
> The SB-200 amp has individual tuned inputs for each band. Most bands can 
> be adjusted to near perfect input swr with slight adjustment of the coils. 
> Other bands can be made to have decent input swr with some work if need 
> be. I see no need whatsoever for a total remake of the input circuit. I 
> have no idea why so many people have to go off on such tangents to try and 
> modify what experienced engineers have designed.

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