I have an old Weller WTCP soldering station that I used years ago before retirement...I use only one tip, a conical PTP-7...With this single tip, I solder everything, from the pads for the LCD to the binoculars and power transistors in the KPA100...The only place I use a big non-controlled 60 watt iron is for tinning the toroids...The much maligned WTCP does it all!!!... Jerry, wa2dkg