CW Filter Confusion

[Larry Clark]

Hello,

I'm looking for a 400 Hz CW filter for my SB-102.  The part numbers that I'm
encountering dont't look anything like the number in the 102 manual.  The manual
calls for an SBA-301-2, but the numbers I'm running across look more like
404-283 (the SSB filter p/n).  What's going on here?  Did Heath use two seperate
part numbering systems?  I'm thinking the SBA # must an accessory order number
and not the actual p/n.  Can someone educate me a bit?  Thanks!

Larry, K0RS

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