While being completely over the top in relation to the Minimod, this might be useful elsewhere - an SL6270 replacement in discrete component form:
https://www.radio-kits.co.uk/radio-r...fier/index.htm
GQRP members will find another version of this in Sprat 155 - SSB Generator.
While designed for a microphone input, it wouldn't take much to mod it for line input.