I’ve been commercially duplicating VHS tapes for almost a decade. My current VHS duplication rig can do 8x Full Quality Dubs in either SP or SLP (NTSC Only), played out from Adobe Premiere from a single digital master file (without any generational loss).
Not sure what any of that means? Head over to http://diyvhs.com or shoot me an email over at Videopunksnotdead [ a t ] gmail [ d o t ] com.
Here’s some links to some clients that i’ve worked with.