EVBoy
Super Member
Never seen these before. No affiliation etc.
http://www.ebay.com/itm/pair-12-BAU...pt=Vintage_Electronics_R2&hash=item3f0f2fbea5
http://www.ebay.com/itm/pair-12-BAU...pt=Vintage_Electronics_R2&hash=item3f0f2fbea5