How can I build something like that today? How much power were those RF Punch 45s putting out? Do you need a lot of signal processing\equalization to get good sound?
Check out the RF Vintage Old School Section of the RF Forum...browse around & become a member if you would like. I am a Moderator there...RFVega
http://www.rockfordfosgate.com/forum/forum.asp?FORUM_ID=36