Did you but your first VFXsd new? I seem to remember Ensoniq offering an 'upgrade kit' to make the VFXsd into (nearly) an SD-1. If your first was upgraded then you may need to move the chips. I can offer no more help...never seen one. Just that my stock VFXsd has no mega piano waves.
Message
Re: VFX Transwave Sounds
2010-07-09 by Bill Tomlinson