An A430 crosses to an NTE 161 which is a UHF-VHF amp. Since the FMT1190 is an RF-IF AMP, this should work as well. I know that these are available (NTE160).

While I am not a fan of NTE devices, they will work in a pinch. Give this a try.

If you can't find one, let me know. I have some in stock.

Dan