| Brand | National Radio Institute |
|---|---|
| Type | Manual |
| Language | English |
| Era/Year | 1948 |
| Features | Vintage |
| Subject | Servicing, Checking & Equalizing Audio Amplifiers |
| Country of Origin | United States |
Check the listing for details. National Radio Institute 1948 Servicing, Checking & Equalizing Audio Amplifiers. Condition: Good, Made in United States. Listed at 7.99 USD. This manual, written in English, provides essential information for maintaining and troubleshooting audio amplifiers from the late 1940s. With a focus on servicing and improving the performance of audio amplifiers, this manual is a valuable resource for collectors, hobbyists, and professionals in the radio communication industry interested in the history and maintenance of these devices.