11-5820-358-34P-93053.42

TOOL RADIO RECEIVER MANUAL, Collins

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11-5820-358-34P COLLINS Radio Receiver Urr Tools Manuals Army

The Collins R-390A/URR radio receiver, model number 11-5820-358-34, is a vintage military communication device with a rich history. Manufactured by Collins Radio Company in 1972, this receiver was specifically designed for use by the United States Army.

This receiver is a superheterodyne design, which means it uses multiple stages of amplification to improve sensitivity and selectivity. The R-390A/URR covers a wide frequency range from 10 kHz to 30 MHz, making it suitable for various military communication applications. It has a tuning range of 10 kHz per step and can handle a maximum input power of 5 watts.

The receiver comes with a built-in crystal filter that provides excellent selectivity and reduces interference. It also features a BFO (Beat Frequency Oscillator) that allows for accurate tuning and synchronization with other radios. The receiver has a rugged construction with a metal chassis and knobs, making it suitable for use in harsh military environments.

The R-390A/URR receiver comes with a variety of features to enhance its functionality. It has a built-in speaker and a 3.5mm headphone jack for private listening. It also has a squelch control to eliminate unwanted noise and a tuning indicator to help find the desired frequency.

This receiver is a must-have for radio enthusiasts, collectors, and military communication historians. It comes with a comprehensive user manual, part list, and wiring diagrams that make it easy to repair and maintain. The manual also includes operating instructions and troubleshooting tips.

In summary, the Collins R-390A/URR radio receiver is a versatile and robust military communication device with a wide frequency range, excellent selectivity, and rugged construction. It comes with a comprehensive user manual and is suitable for radio enthusiasts, collectors, and military communication historians.

Pros and Cons of buying a Collins R-390A/URR Military Radioreceiver (Model 11-5820-358-34, 93053.42, 1972)

Introduction:

The Collins R-390A/URR is a military-grade shortwave radio receiver, manufactured by Collins Radio Company in 1972. This receiver gained popularity due to its high performance, durability, and versatility. In this analysis, we will discuss the advantages and disadvantages of purchasing this vintage radio receiver.

Pros:

1. Superior Reception: The R-390A/URR is known for its excellent reception capabilities, which make it an ideal choice for listeners seeking a high-quality shortwave radio experience.

2. Build Quality: This receiver boasts a rugged, military-grade construction, ensuring longevity and resistance to harsh environmental conditions.

3. Versatility: The R-390A/URR can tune into various shortwave bands, including AM, FM, and SW, providing a wide range of listening options.

4. Selectivity: The receiver's high selectivity allows for easy tuning and rejection of unwanted interference, making it a popular choice among serious radio enthusiasts.

5. Sensitivity: The R-390A/URR offers impressive sensitivity, enabling the reception of weak signals that may be inaudible on other radios.

Cons:

1. Complexity: Due to its military design, the R-390A/URR may be more complex to operate compared to modern consumer radios.

2. Size and Weight: This vintage receiver is larger and heavier than most modern portable radios, making it less convenient for travel or on-the-go use.

3. Power Consumption: The R-390A/URR requires a significant amount of power to operate, which can lead to higher energy costs and shorter battery life.

4. Maintenance: As a vintage receiver, the R-390A/URR may require more frequent maintenance and repair compared to modern radios.

5. Availability: Due to its age and military background, finding spare parts, manuals, and technical support for the R-390A/URR can be challenging and time-consuming.

Conclusion:

The Collins R-390A/URR is a high-performance, military-grade shortwave radio receiver with exceptional reception capabilities, build quality, versatility, selectivity, and sensitivity. However, it comes with some disadvantages, such as complexity, size and weight, power consumption, maintenance requirements, and availability of spare parts and technical support.

Recommendation:

If you are a serious radio enthusiast seeking a high-quality shortwave listening experience and are willing to deal with the complexities and challenges associated with a vintage military receiver, the Collins R-390A/URR may be an excellent choice for you. However, if you are looking for a portable, easy-to-use, and low-maintenance radio, you may want to consider a modern consumer shortwave radio instead.

Details:

Repair parts and special tools list. I got these from an estate sale, they are not hot off the presses reprints. Navy ships maintenance standards book. Technical manual for Collins radio receiver R-390A/urr.

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