 Jacob brought many new techniques to musical theatre, including head-worn wireless microphones, powerful concert loudspeakers with dedicated electronic processing, delayed speaker zones, under-balcony speakers, front-fill speakers, mix position in the audience, FFT analysis, scene recall, digital mixing consoles, and delay used to focus audience attention.Jacob sparked the creation of the Meyer Sound Laboratories UPA loudspeaker, which became their flagship product.In 1998, Jacob won an Ovation Award for his sound design of "Harriet's Return" at the Geffen Playhouse.