Does anyone have a good source for a 4:1 ferrite balun. I need to replace the one on my KT-34. The m2 guys said not to waste my money on their $105.00 balun, and that any good 4:1 ferrite balun rated at 3 - 30 Mhz should work fine. Kudos to M2 for being honest! 73 de KN6RO