Yes. The 12 V aux current should be kept below 500 mA, and the P3+PR6 should be well below this. Wayne N6KR On Aug 21, 2010, at 1:56 AM, David Ferrington, M0XDF wrote: > I've seen the postings about providing power from the K3 Aux 12v > socket - is there enough to drive the 6m Pre-amp and the P3? > 73 de M0XDF, K3 #174, P3 #108