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HALLICRAFTERS Osc Coil SX-28 Coil. T27. P/n 51292.

51292 Hallicrafters Sx-28 Osc Coil. T27. P/n 51292. Please See Description #100

( Brand: Hallicrafters ), ( Manufacturer Part Number: 51292 ), ( Type: Osc Coil ), ( Compatible Model: Sx-28 )

Review HALLICRAFTERS Osc Coil. T27. P/n Please See #100

The **Hallicrafters SX-28 OSC Coil T27 (Part Number: 51292)** is a meticulously crafted, high-performance replacement coil designed for enthusiasts and communicators seeking precision and versatility in their shortwave radio operations. Originally manufactured by Hallicrafters, a legendary name in amateur radio and communications technology, this coil is engineered to fit seamlessly into the iconic SX-28 Super Pro receiver, a classic piece of equipment renowned for its durability and adaptability. The **T27 coil** is a specialized oscillator coil, tailored for the 27-meter band, a popular segment among shortwave listeners, DXers, and amateur radio operators due to its rich spectrum of signals, from international broadcasts to weak-signal contacts. Constructed with high-grade materials, this coil features a robust coil form and precision-wound wire, ensuring minimal resistance and optimal efficiency to maximize signal clarity and reduce interference. Its compact yet sturdy design allows for easy installation within the SX-28 s chassis, where it interfaces directly with the receiver s tuning circuits to deliver sharp, accurate frequency coverage. Whether tuning into distant voices, monitoring international broadcasts, or engaging in amateur radio experimentation, the **51292 OSC Coil T27** enhances the SX-28 s performance, offering a blend of nostalgia and modern reliability for those who appreciate the art of analog radio communication. Ideal for collectors, restorers, and active operators, this coil embodies the spirit of vintage radio engineering while providing the functionality needed to explore the fascinating world of shortwave frequencies.

The Hallicrafters SX-28 (part number 292) is a classic superheterodyne shortwave receiver from the mid-20th century, originally produced in the 1950s. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### **Pros of the Hallicrafters SX-28**

1. **Historical and Collectible Value**

The SX-28 is a well-known vintage radio, particularly among ham radio operators and shortwave enthusiasts. Its classic design and historical significance make it a desirable piece for collectors, which can increase its value over time if maintained properly.

2. **Superior Shortwave Reception**

The SX-28 is renowned for its strong shortwave performance, capable of receiving signals from around the world with minimal interference. Its oscillating coil tuning system (OCX) allows for precise frequency selection, which was advanced for its time.

3. **Versatile Tuning Range**

The receiver covers a wide range of frequencies, from 1.5 MHz to 30 MHz, making it suitable for amateur radio, shortwave listening (SWL), and even some HF ham bands. The T27 tuning dial is smooth and provides good control over frequency selection.

4. **Durable Construction**

Built with solid components, the SX-28 is generally robust and can last for decades with proper care. Many examples still function well after 60 years, especially if they have been well-maintained.

5. **Modular Design**

The SX-28 was designed with modularity in mind, allowing for upgrades and modifications. Many owners have replaced aging components (like tubes or capacitors) to extend its lifespan and improve performance.

6. **Cultural and Educational Appeal**

For those interested in radio history or electronics, the SX-28 offers a tangible connection to mid-20th-century technology. It can be a valuable teaching tool for understanding how early radio receivers worked.

7. **Good for Ham Radio Use**

While not a modern transceiver, the SX-28 can be used as a receiver for ham radio operations, especially in conjunction with a separate transmitter. Some hams pair it with a keyer or CW decoder for Morse code practice.

8. **Aesthetic Appeal**

The SX-28 has a distinctive, retro look that appeals to enthusiasts who enjoy vintage electronics. Its wooden cabinet and classic controls give it a nostalgic charm.

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### **Cons of the Hallicrafters SX-28**

1. **Tube-Based Technology**

The SX-28 relies on vacuum tubes, which are less reliable and require more maintenance than solid-state components. Tubes degrade over time, need periodic replacement, and can fail unexpectedly. Powering the radio also requires a high-voltage transformer or power supply, adding complexity.

2. **High Maintenance Requirements**

Unlike modern radios that are mostly plug-and-play, the SX-28 demands regular upkeep. This includes:

- Replacing aging capacitors (especially electrolytic ones).

- Cleaning and lubricating moving parts (like the tuning dial).

- Checking and replacing tubes (typically every few years, depending on usage).

- Ensuring proper alignment of the receiver (a process that requires specialized knowledge or tools).

3. **Limited Modern Features**

The SX-28 lacks modern conveniences such as:

- Digital tuning or frequency memory.

- Built-in noise reduction or signal processing.

- USB or audio output jacks (though external modifications can address this).

- Automatic gain control (AGC) or other automated functions.

4. **Power Consumption**

The radio requires significant power (typically 115V AC at 60Hz, though some versions can run on 220V with a transformer). This makes it less portable compared to battery-operated modern receivers.

5. **Parts Availability and Cost**

While some parts (like tubes and capacitors) are still available, others (such as specific resistors, transformers, or original knobs) may be harder to find. Replacement costs can add up, especially if the radio is not well-documented.

6. **Learning Curve**

Operating and maintaining the SX-28 requires an understanding of tube radios and basic electronics. Beginners may struggle with alignment, troubleshooting, or component replacement without guidance.

7. **Noisy Operation**

Tube radios can be louder than solid-state ones due to hum from the power supply and tube noise. Some examples may also have mechanical noise from the tuning mechanism.

8. **Limited Bandwidth for Modern Standards**

While the SX-28 excels at receiving weak signals, its bandwidth and selectivity may not match modern receivers, especially for narrow-bandwidth modes like digital modes (e.g., FT8, PSK31).

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### **Conclusion**

The Hallicrafters SX-28 is a fantastic radio for enthusiasts who appreciate vintage technology, shortwave listening, or ham radio history. Its strengths lie in its historical value, strong shortwave performance, and modularity, making it a rewarding project for those willing to invest time in maintenance. However, its tube-based design, high maintenance requirements, and lack of modern features make it less suitable for casual users or those seeking a hassle-free listening experience.

If you are an experienced ham radio operator, a collector, or someone with a strong interest in electronics, the SX-28 can be an incredibly satisfying and functional radio. For beginners, modern solid-state receivers (like the Elecraft K3, Icom IC-7300, or even budget options like the Ten-Tec Argonaut) may be a more practical choice due to their ease of use and lower maintenance demands.

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### **Recommendation**

**Buy the Hallicrafters SX-28 if:**

- You are a ham radio operator or shortwave listener with experience in tube radios.

- You enjoy restoring and maintaining vintage electronics as a hobby.

- You value the historical and aesthetic appeal of the radio.

- You are prepared to invest time in alignment, tube replacement, and general upkeep.

- You plan to use it as a secondary receiver alongside modern equipment.

**Avoid the Hallicrafters SX-28 if:**

- You want a low-maintenance, plug-and-play radio for casual listening.

- You lack experience with tube radios or electronics troubleshooting.

- You prioritize modern features like digital tuning, noise reduction, or portability.

- You are on a tight budget and cannot afford the cost of parts or professional restoration.

For most modern users, the SX-28 is best suited as a **specialty radio** rather than a primary listening device. If you decide to purchase one, consider buying from a reputable seller who provides documentation on its condition and maintenance history, and be prepared to allocate time and resources to keeping it in working order.

Details:

Its all about restoring/building/fixing the radio and has nothing at to do with selling parts. Hallicrafters SX-28 not A version round coil for oscillator section.

part #: 51292 price

  • $10.00

specifications radiparaccessori:

  • brand: Hallicrafters
  • mpn: 51292
  • type: Osc Coil
  • compatible model: Sx-28

payments radiparaccessori:

  • credit card: Discover
  • other
  • wallet: Apple-pay

offer radiparaccessori:

  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: February 12, 2026

shipping radiparaccessori:

  • service: USPS Ground Advantage
  • transit: 5-9 Days
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • carrier: USPS

returns radiparaccessori:

  • policy: No Returns

general radiparaccessori:

  • condition: Used
  • Radio Communication > Parts Accessories > Other Radio Communication Accs

seller radiparaccessori:

  • rating: 100.0%
  • city: Zephyrhills, Florida
  • # reviews: 1136
type: osc coil, compatible model: sx-28,
category: electronics > radio communication > radio communication accs, sku: 8367073492667603,
Hallicrafters 51292 Is Similar To:
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5 offers $10.00–$10.00 USD
  • Used. Offer #1 priced at $10.00 + $7.90 shipping estimate = $17.90* total. Hallicrafters (not A version) round coil for oscillator section.+$7.90 shipping
  • Used. Offer #2 priced at $10.00 + $7.90 shipping estimate = $17.90* total. Hallicrafters (not A version) round coil for RF 1 section.+$7.90 shipping
  • Used. Offer #3 priced at $10.00 + $7.90 shipping estimate = $17.90* total. Hallicrafters (not A version) round coil for the mixer section.+$7.90 shipping
  • Used. Offer #4 priced at $10.00 + $7.90 shipping estimate = $17.90* total. Hallicrafters (not A version) round coil for RF 2 section.+$7.90 shipping
  • Used. Offer #5 priced at $10.00 + $7.90 shipping estimate = $17.90* total. +$7.90 shipping

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