I traded an older Cobra 29 ltd classic and a 4' Wilson silverload whip and mirror mount / coax to a truck driver friend for a Black cat 500 amplifier. He says he ordered it from H & Y electronics and I did find it on their site but have no opinions on it from anyone other than my friend who can't use it due to company rules. I hooked it to my 148gtl and a 102" whip and using a Dosy 4001 meter (all I have) on AM I'm seeing about 230-240 watts on high and on SSB I'm seeing a little over 400 watts. My 148 dead keys 2 watts on AM. Does anyone have any experience with one of these?