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> Heathkit sb-640, SB640 lmo vfo for sb-101 & 102 rare
Heathkit sb-640, SB640 lmo vfo for sb-101 & 102 rare
HEATHKIT SB-640, SB640 LMO VFO For SB-101 & 102 RARE !
For sale is a the Rarest SB series Model, HEATHKIT SB-640.
This is a vintage Heathkit SB-640 is for SB-101 & SB-102. It is probably the rarest product in the SB series line.
It is designed to permit split frequency operation with the SB-101 and SB-102.
