[Elecraft] Heil goldline with K2

[M1MGD1 at aol.com]

Hi all
I have a Heil goldline with Kenwood adaptor cable that I used with
my TS-870 I would like to use this mic with the K2.
Do I need a mic pre amp or do I just set the jumpers for a standard  kwd.
 
Thanks Mick  M1MGD    K2  #4785..