 Mesa Boogie Mark Series

The Mesa Boogie Mark Series is a series of guitar amplifier made by Mesa Engineering (more commonly known as "Mesa/Boogie").Originally just referred to as "Boogies," the product line took on the moniker "Mark Series" as newer revisions were put into production.The Mark Series amplifier was Mesa's flagship product until the introduction of the Rectifier series, and the amplifiers are very collectable.