Grampian Type 636 Reverberation Unit. Hens Teeth. Germanium spring reverb. Selling on commission for a customer. Working order, though overload lamp currently dead so further servicing required to sound as it should. Cosmetically very good indeed. Currently set to 110v mains. Will go up on eBay at a crazy price initially to let people know it's here. Will sell via sealed bids over £1000 later this month. Email to register your interest. #soundgas #supersonicgear | Soundgas