MOTOROLA TC TMI COLLINS Tube Ham Receiver Radio Urr R-390/URR

( Brand: Motorola Tc Tmi Collins ), ( Manufacturer Part Number: R-390 ), ( Model: R-390/URR ), ( Type: Ham Radio Receiver )

Review MOTOROLA TC TMI COLLINS Rare Tube Ham Receiver Radio R-390/urr

Motorola TC-TMI Collins R-390 Tube Ham Receiver Radio URR: A Legacy of Superior Ham Radio Communication

The Motorola TC-TMI Collins R-390 tube ham receiver radio URR is a classic and highly esteemed communication device among ham radio enthusiasts. This tube-based receiver, manufactured by Collins Radio Company, which was later acquired by Motorola, has long been revered for its exceptional performance, versatility, and a timeless design.

The R-390 is notable for its strong reception abilities. With its high selectivity, it can effectively filter out unwanted noise and interferences, enabling clear and crisp audio reception even in congested bands. The wide frequency range of 160 to 30 MHz caters to various amateur bands and modes, ensuring compatibility and adaptability for diverse communication needs.

At its heart, the R-390 employs two triode tubes - a 6416B dual grid beam power tube and a 6AC5 gridley selector tube. These tubes provide the receiver with excellent detection capabilities, linearity, and sensitivity, allowing for seemingly unparalleledperformance for its time and even by today's standards.

The Motorola TC-TMI Collins R-390 boasts a solid-state, eight-position rotary switch used to select the tuning ranges. The user-friendly tuning knob provides a smooth, precise tuning experience, allowing quick and accurate adjustments. In addition, a built-in Bfo (Beat Frequency Oscillator) controller is included for fine-tuning the receiver when working on CW (Continuous Wave) operations.

In terms of physical design, this ham radio receiver bears a compact yet ergonomic form factor, making it suitable for portable use, as well as for being a permanent installation in a shack setup. The TC-TMI Collins R-390 features high-quality components and an elegant tube assembly, which not only makes it unique in aesthetics but also relentless in performance.

With a solid chassis that protects the delicate internal components, the Motorola TC-TMI Collins R-390 is an exceptionally reliable piece of equipment, built to last for years of dedicated service. While the tube technology used by the R-390 necessitates regular maintenance and periodic replacement of some components, the overall payoff comes in the form of its unsurpassed performance and iconic status within the ham radio community.

For enhanced functionality, the Motorola TC-TMI Collins R-390 is compatible with a range of accessories, such as a separate BFO/VFO oscillator, speaker, and external speakers. Additionally, the receiver can be connected to other devices, like amplifiers and antenna systems, for extended reach and improved performance.

In conclusion, the Motorola TC-TMI Collins R-390 tube ham receiver radio URR is more than just a communication tool; it's a testament to the rich history and ingenuity of amateur radio. Providing superior performance and unrivaled versatility, even by today's standards, this timeless piece of equipment appeals to ham radio enthusiasts who value the adventure, connection, and thrill of communication beyond the ordinary.

A Comprehensive Analysis of the Motorola TC-TMI Collins R-390 Tube Ham Receiver

The Motorola TC-TMI Collins R-390 is a tube ham receiver radio, known for its strong performance and classic design. Let's evaluate the key features and potential benefits and drawbacks for consideration before making a purchase.

1. Superior receiver performance: This tube ham radio offers excellent receiver sensitivity, selectivity, and stability, making it an excellent choice for serious amateurs and radio enthusiasts.

2. Wide frequency coverage: The Motorola TC-TMI Collins R-390 covers HF, VHF, and UHF bands, offering a high degree of versatility for various radio communication applications.

3. High-quality tube technology: The tube design contributes to the radio's superior performance, warmth, and nostalgic appeal for traditional ham radio operators.

4. Robust construction: The rugged build with a metal case ensures durability and reliability for use in various environments, especially valuable for field conditions.

1. Manual tuning: The R-390 does not feature a digital tuner or automated functions, which may be considered an inconvenience for some users or for newcomers to ham radio.

2. Power consumption: Tube radios typically consume more power than solid-state transceivers, making the Motorola R-390 less energy-efficient and requiring a dedicated power source.

3. Limited portability: Although the metal case offers durability, it also makes the radio less portable, as it is larger and heavier compared to modern designs.

4. Higher cost: Tube ham radios, in general, are generally more expensive due to the specialized components and manufacturing processes required, making the Motorola TC-TMI Collins R-390 a potentially more significant investment.

The Motorola TC-TMI Collins R-390 is a top-performing tube ham receiver, delivering excellent receiver sensitivity, selectivity, and stability. It is a versatile option with wide frequency coverage and a rugged build, ideal for serious amateurs and true radio enthusiasts. However, it comes with limitations such as manual tuning, power consumption, limited portability, and a higher cost. Depending on your priorities and preferences, this radio can be a wise investment or a harder sell.

If you appreciate the traditional appeal of tube technology and prioritize top-notch performance, consider the Motorola TC-TMI Collins R-390 as an enjoyable and appreciated addition to your ham radio setup. However, factor in the limitations, including the high cost, larger size, and inconvenience of manual tuning, and weigh the benefits against the drawbacks before making a purchase.

Details:

All untested features are sold as is. RARE MOTOROLA TUBE HAM RECEIVER RADIO R-390/URR. I do not have the cover. If it is not pictured or stated as included, then included.

This powers on, no further testing has been done.

part #: r390 prices

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• brand: Motorola Tc Tmi Collins
• mpn: R-390
• model: R-390/urr
• type: Ham Radio Receiver

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