Skip to main content
Drawing of

Ovation Magnum Bass Pickup 1979 Patent

US 4,188,849 1980 James H. Rickard US Electromagnetic pickup with individual string control Magnum 4 drawings

US patent for an electromagnetic pickup for a stringed musical instrument with multiple magnet and coil signal generating units, one per string. Each unit has an adjustable potentiometer to control individual string contribution to the composite output signal. A fixed resistance prevents any coil from being turned entirely off, maintaining proper input impedance. Continuation of abandoned application Ser. No. 760,734. Assigned to Ovation Instruments, Inc.

Guitar Models

1261-1 · Magnum I 1262-1 · Magnum II Magnum-I · Ovation Magnum Bass I Magnum-II · Ovation Magnum Bass II Magnum-III · Ovation Magnum III

Related Content by Guitar Model

Ovation Magnum Bass I (Magnum-I) Magnum Bass Series
(6 items)
View model page →

Catalogs (3)

Guitars (1)

Patents (2)

Ovation Magnum Bass II (Magnum-II) Magnum Bass Series
(7 items)
View model page →

Catalogs (4)

Guitars (1)

Patents (2)

Ovation Magnum III (Magnum-III) Magnum Bass Series
(7 items)
View model page →

Catalogs (3)

Guitars (2)

Patents (2)

Magnum I (1261-1) Magnum Bass Series
(8 items)
View model page →

Catalogs (5)

Patents (2)

Schematics (1)

Magnum II (1262-1) Magnum Bass Series
(8 items)
View model page →

Catalogs (6)

Patents (2)

Download PDF (0.3 MB)