So why is the RadioShack 12-150 manual so important? Here are just a few benefits of having this comprehensive guide at your fingertips:
Do not apply full amplifier power to the driver without a horn attached. Acoustic loading from the horn limits diaphragm excursion. Without a horn, excessive excursion will damage the voice coil. Radio Shack 12 150 Manual
The manual began with a standard checklist, reminding users to verify the driver, mounting screws, and (if purchased as a kit) the horn flair (12-151 for 90° x 90° dispersion). It warned users not to test the driver without attaching a horn, as doing so could damage the diaphragm due to lack of acoustic loading. So why is the RadioShack 12-150 manual so important
Internal ferrite bar for AM / Telescopic whip antenna for FM Operating Instructions Without a horn, excessive excursion will damage the