Marshall amps have defined the sound of rock for a generation, boasting such notable users as Jimi Hendrix, Eric Clapton, Jeff Beck, Ritchie Blackmore, and Jimmy Page. He produced the first solid-body guitars, including the Telecaster Broadcaster models, in 1951 and the Stratocaster, with its simple built-in electronics, first hit stores in September of 1954. Marshall is the company that originated the amp 'stack' - tracing the impressive lineage of its valve guitar amps. The buzz was Kramer and Jackson in that mid-’80s era. But when George Blanda and Dan Smith came up with the American Standard, it seemed to be the right thing at the right time. This allowed bassists to move further up front in the band mix, both visually and audibly. This work has been continued and many companies and individual luthiers have joined the quest to take Leo Fender's original dream and idea to new levels. Guitar Part Pincotts.