The GE BSW 7V .20 Amps Bulb is primarily used as a sound reproducer lamp or exciter lamp in movie and slide projectors.

General Electric 7 Volt .20 amp BSW Sound Reproducer Lamp

$7.49

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Sound Reproducer/Exciter Lamp

- This type of bulb provides illumination to excite a component, usually related to the audio track, in older film projection systems.

Movie Projectors

- The GE BSW 7V .20 amps bulb is a suitable replacement for movie projector applications.

Slide Projectors

- It can also be used in slide projectors.

Film Photography

- It is part of the broader category of lamps used in film photography and projection.

The Applications