AMPEG B-15 PORTAFLEX
his amp, one of the true greats in the world of bass amplification, was designed by Ampeg’s Jess Oliver back in 1958, but it wasn’t until 1960 that it was introduced. The B-15 Portaflex, or ‘Portable Reflex Baffle Bass System’ as it was originally known, seemed both illogical and ingenious at the same time,
