 Richards ended up using the amp for the El Mocambo show (as one of six), and the Stones, over the years, received and paid for over forty of Smith's amps.The first Boogies are referred to as Mark I's, though they were not given this name until the Mark II was released.They were 60 or 100 watt combo amps with a 12-inch speaker, primarily Altec-Lansing 417-8H Series II.