AM (520-1710 kHz), FM (88-108 MHz), and WX (NOAA Weather Channels: 162.4-162.55 MHz).
While Radio Shack released minor design variations under the 12-150 catalog identifier over the years, the baseline specifications remained highly consistent: AM: 530 – 1710 kHz FM: 88 – 108 MHz
A rotary dial that clicks to turn the unit ON/OFF and adjusts the audio levels. Left Side Panel:
The manual warns: "This is an unregulated power supply. Voltage measured without connection may exceed 15 volts." Do not be alarmed. Plug it in and check with a multimeter. If you see 18V DC, it is likely functioning correctly. Radio Shack 12 150 Manual
I recently picked up a vintage Radio Shack 12-150 portable radio at an estate sale. While the unit itself was in surprisingly good cosmetic condition, the previous owner was kind enough to leave the original manual in the battery compartment. After reading through it, I have to say it is a fascinating time capsule that highlights just how much consumer electronics—and the documentation that comes with them—have changed over the decades.
For news, sports, talk radio, and long-range nighttime broadcasts.
Replace batteries with fresh ones. Verify alignment of (+) and (-) polarities. Clean terminals. AM (520-1710 kHz), FM (88-108 MHz), and WX
Ensure the positive (+) and negative (-) terminals align perfectly with the diagrams molded inside the battery housing.
Whether you just acquired a secondhand unit or dug your old device out of storage, having a comprehensive reference guide is essential for keeping this pocket radio in peak working condition. This article serves as an expanded user manual and technical guide, covering everything from initial setup and operation to deep troubleshooting and maintenance. Technical Specifications
Before operating the device, familiarize yourself with its physical layout: Voltage measured without connection may exceed 15 volts
For the multimeter, look for the "Data Pro" branding, as this can help narrow down the search results. The official manual from the manufacturer would be the most authoritative source for original schematics and operating instructions.
: Features a rugged silver or gray housing with a built-in carrying handle/shoulder strap and a long telescoping antenna to maximize "Extreme Range" performance. Operating Instructions Highlights