JBL 4662 & 4663 SR Loudspeaker systems (1979)
Musicians today need a sound system that’s rugged and powerful, with clarity and punch. JBL engineers have now designed two such sound reinforcement loudspeaker systems-the 4662 and 4663.
These systems are capable of high acoustic output, can handle large amounts of power, and are designed for reliability and durability. They produce clear, vivid. natural sound. while maintaining controlled dispersion.
Link for PDF: JBL 4662 & 4663 SR Loudspeaker systems (1979)