[1000mp] HEATHKIT SB-200 vs YAESU MUSEN FL-2100B

Fri, 15 Feb 2002 16:38:04 -0800

Hi Gerry:

You can only use the SB-200 with the relay contacts in the MP.  The SB-200
keying line is -130Vdc (thats MINUS 130 Vdc). It can not be keyed with the
solid state line or the Data Connector signal.  You will hear the annoying
relay clatter.  I have modified an SB-200 to shift the -130V to +3.6v and then
the relay doesn't need to be used. Takes a bit of work but I prefer it to the
relay klunk.

73
Elliott WA6TLA

Gerry Caines wrote:

> Hey gang, has anyone had any experience using SB-200 amp with a FT-1000MP?
> Trying to decide whether to purchase a SB-200 or YAESU MUSEN FL-2100B? Any
> thoughts or personal experiences much appreciated. THX.
>
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