11-5820-358-35

RADIO RECEIVER MANUAL, Collins

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11-5820-358-35 COLLINS Urr Radio Receiver Army Field Manual

Collins R-390A URR Radio Receiver Army Field Manual (1961) - Collins 11-5820-358-35

The Collins R-390A URR Radio Receiver, as detailed in this Army Field Manual from 1961, is a remarkable piece of military communication technology. This receiver was designed to provide reliable and efficient communication for military personnel in the field.

The Collins R-390A URR is a superheterodyne receiver with a frequency range of 100 kc to 32 mc. It is a compact and rugged device, making it ideal for use in various military environments. The receiver features a dial indicator, which provides clear and accurate frequency reading, ensuring precise tuning. The instrument panel is designed to be easily readable under different lighting conditions, allowing for efficient and effective use in the field.

The Collins R-390A URR also includes several features that enhance its performance and versatility. It has an automatic volume control that maintains a constant receiver gain and volume level, even with changing signal strengths. The receiver also includes a built-in speaker and a 3.5mm headphone jack, providing users with the flexibility to choose their preferred listening method.

This field manual provides detailed instructions on the assembly, disassembly, and maintenance of the Collins R-390A URR receiver. It covers topics such as tuning procedures, troubleshooting common issues, and battery replacement instructions. The manual also includes a comprehensive list of specifications, dimensions, and weight information, allowing users to fully understand the capabilities of the receiver.

The Collins R-390A URR Army Field Manual (1961) is an essential resource for any military communications enthusiast, collector, or historian. It provides a unique insight into the design, use, and maintenance of a piece of military communication technology that played a crucial role in military operations during the mid-20th century. This manual is a must-have for anyone interested in military communications history or radio technology.

Collins R-390A URR Radio Receiver (11-5820-358-35), A Retro Military Communication Device: A Detailed Analysis

Introduction:

The Collins R-390A URR (Ultra High Frequency Receiver) is a vintage military communication device, model number 11-5820-358-35, manufactured by Collins Radio Company in 1961. This radio receiver was primarily used by the U.S. Army for various field communication applications. In this analysis, we will discuss the pros and cons of purchasing this radio receiver as a collector's item, hobbyist project, or for potential military usage.

Pros:

1. Historical Significance: The Collins R-390A URR is a piece of military communication history. It was used during the Cold War era and offers a unique glimpse into the technological advancements of the time.

2. Build Quality: Known for their robustness and high-quality construction, Collins Radio receivers are sought after by collectors and hobbyists. The R-390A URR is no exception.

3. Versatility: This receiver covers the Ultra High Frequency (UHF) band, which includes important military frequencies. It can be used for both voice and data communications, making it a versatile piece of equipment.

4. Potential Restoration: The R-390A URR offers an excellent opportunity for restoration projects. Many hobbyists enjoy the challenge of bringing vintage electronics back to life.

5. Educational Value: Owning and operating a vintage military communication device can provide valuable insights into the history and technology of radio communications.

Cons:

1. Complexity: The Collins R-390A URR is a complex piece of equipment. Operating and maintaining it may require specialized knowledge and skills.

2. Size and Weight: Weighing approximately 27 lbs (12.3 kg), this receiver is not portable. It is designed for use in a fixed location or a vehicle.

3. Power Consumption: This receiver requires a significant amount of power. Operating it off-grid may be challenging and could require a large power source.

4. Availability of Spare Parts: As a vintage military device, spare parts for the Collins R-390A URR may be difficult to find and expensive.

5. Cost: Due to its historical significance and rarity, the Collins R-390A URR can be costly to purchase.

Conclusion:

The Collins R-390A URR radio receiver (11-5820-358-35) is an intriguing piece of military communication history. Its build quality, versatility, and potential for restoration projects make it an attractive purchase for collectors, hobbyists, and military enthusiasts. However, its complexity, size, weight, power consumption, and cost are significant drawbacks. Ultimately, the decision to buy this radio receiver depends on your interest, expertise, and resources. If you are passionate about military communication history, have the necessary skills to operate and maintain it, and have the financial means, then the Collins R-390A URR could be an excellent addition to your collection or project.

Details:

With fold out schematics pages. Technical manual for Collins radio receiver R-390A/urr I got these from an estate sale, they are not hot off the presses reprints.

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