4530 / D140 theater scoops built from plans purchased from JBL for electric Bass driven by a Marantz 8B preamplified by a modified Fender Twin Reverb. Far more headroom than any commercially offered Bass amp until the debut of the acoustic Control 360/361.
JBL was very helpful to the do it yourselfer in the sixties and early seventies. James Bullough Lansing aka James Martini a true pioneer of audio fidelity who excelled at innovation. He struggled in business as a partner in Altec Lansing and later seeded his own company JBL who sadly left us in 1949 at the young age of 47.
JBL was very helpful to the do it yourselfer in the sixties and early seventies. James Bullough Lansing aka James Martini a true pioneer of audio fidelity who excelled at innovation. He struggled in business as a partner in Altec Lansing and later seeded his own company JBL who sadly left us in 1949 at the young age of 47.