David played a custom made Peavey 5 String Bass on everything from Third Stage. The Sustainor and supporting Chorus/Delay and Eq's were used on the Third Stage tour on an instrumental song called "A New World" from the Third Stage album. The Pro Bass Rockman was used on the Third Stage and Walk On tours. The Trace Elliot was a G12 bass preamp and was used on the Greatest Hits tour. The 2 power amps used were Peavey 1200 watt power amps.