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  3. HALLICRAFTERS 51294

HALLICRAFTERS Mixer Coil SX-28 Coil. T29. P/n 51294. 103

51294 Hallicrafters Sx-28 Mixer Coil. T29. P/n 51294. Please See Description #103

( Brand: Hallicrafters ), ( Manufacturer Part Number: 51294 ), ( Type: Mixer Coil ), ( Compatible Model: Sx-28 )

Review HALLICRAFTERS Mixer Coil. T29. P/n Please See #103

The Hallicrafters 51294 SX-28 Mixer Coil, identified by its unique part number T29 (P/N 103), is a meticulously crafted component designed to elevate the performance of the legendary SX-28 Shortwave Receiver, a classic in the world of amateur and shortwave radio enthusiasts. This coil represents the heart of the receiver s superheterodyne mixing stage, where incoming signals are combined with a locally generated frequency to produce an intermediate frequency (IF) that can be more easily amplified and processed. Engineered with precision, the T29 mixer coil features a compact yet robust construction, utilizing high-quality materials to ensure stability and longevity. Its winding pattern is optimized for minimal signal loss and maximum clarity, allowing operators to tune into distant stations with remarkable fidelity, even under challenging propagation conditions. The coil s design incorporates a balanced impedance match, reducing standing waves and enhancing the overall efficiency of the receiver s front end. Whether used for general shortwave listening, amateur radio communication, or DXing expeditions, this mixer coil delivers a level of performance that reflects Hallicrafters commitment to craftsmanship and innovation. For collectors and restorers of vintage radio equipment, the T29 coil is a sought-after upgrade, preserving the original spirit of the SX-28 while modernizing its capabilities. Its compatibility with the SX-28 s tuning mechanism ensures seamless integration, allowing enthusiasts to experience the joy of crystal-clear reception across the entire shortwave spectrum.

The Hallicrafters SX-28 mixer coil (Part Number 103, T29) is a specialized component designed for use in the Hallicrafters SX-28 shortwave transceiver, a classic and highly regarded amateur radio transceiver from the mid-20th century. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Hallicrafters SX-28 Mixer Coil (PN 103, T29)**

1. **Compatibility and Functionality**

The SX-28 is a well-designed, all-band shortwave transceiver known for its reliability and performance. The mixer coil (PN 103) is a critical component for heterodyne mixing, enabling the transceiver to receive and transmit across a wide range of frequencies (1.8 29.9 MHz). Replacing a faulty or degraded coil ensures the SX-28 operates as intended, covering all amateur bands and shortwave listening frequencies.

2. **Authentic Restoration**

If you own an SX-28 and are restoring or maintaining it, sourcing an original Hallicrafters coil (or a high-quality replica) preserves the transceiver s vintage character and authenticity. Many collectors and enthusiasts prioritize using genuine or period-correct parts to avoid modern compatibility issues or performance discrepancies.

3. **Reliability of Hallicrafters Components**

Hallicrafters was a reputable manufacturer during its prime (1930s 1960s), and its components were built to last. The mixer coil, like other Hallicrafters parts, is designed for durability, though age and wear can degrade performance over decades. A replacement coil can revive a transceiver that might otherwise be unusable.

4. **Community and Support**

The SX-28 has a dedicated following among ham radio operators and vintage radio enthusiasts. Buying this coil connects you to a community where troubleshooting, restoration tips, and part sourcing are readily available. Online forums (e.g., eHam, Vintage Radio Forum) often discuss SX-28 repairs and part compatibility.

5. **Investment Potential**

For collectors, a well-restored SX-28 with original or restored components can appreciate in value. If you plan to keep the transceiver long-term, investing in quality parts like this coil ensures its condition remains pristine.

6. **DIY Repair Flexibility**

The SX-28 is a relatively straightforward radio to work on, and the mixer coil is a modular component. Replacing it is a manageable DIY project for those with basic soldering skills and familiarity with vacuum tube radios. This can be a rewarding experience for hobbyists.

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### **Cons of buying a Hallicrafters SX-28 Mixer Coil (PN 103, T29)**

1. **Age and Wear**

Original Hallicrafters parts, especially those from the 1950s or earlier, may show signs of aging. The coil could have degraded insulation, corroded windings, or other wear that affects performance. Even if it appears functional, testing is recommended before installation.

2. **Availability and Lead Times**

Authentic Hallicrafters parts are increasingly rare, and sourcing one may require patience. Some sellers may take weeks or months to ship, and prices can fluctuate based on demand. If you need the coil urgently, this could be a significant drawback.

3. **Cost**

The SX-28 mixer coil (PN 103) is not an inexpensive part. Prices can range from $50 to over $150 depending on whether it s original, restored, or a replica. For a vintage radio, this is a reasonable investment, but it may be prohibitive for casual users or those on a tight budget.

4. **Compatibility with Modern Use**

The SX-28 is a tube-based radio, and while it s beloved for its analog charm, it requires consistent power, proper tuning, and maintenance. If you re not committed to the tube radio lifestyle, the upkeep (e.g., replacing tubes, capacitors, or other components) can be time-consuming and costly over time.

5. **Risk of Counterfeit or Low-Quality Parts**

The vintage radio market has seen an increase in counterfeit or poorly made replicas. Buying from untrusted sellers could result in a coil that doesn t function as intended or matches the original specifications. Always verify the seller s reputation and request photos or videos of the part before purchasing.

6. **Skill and Knowledge Requirements**

Replacing the mixer coil requires familiarity with tube radio repair. Mismatched components, improper soldering, or incorrect alignment can render the SX-28 inoperable. Beginners may need to consult guides, videos, or seek help from experienced hams to avoid mistakes.

7. **Limited Longevity of the SX-28 Itself**

While the SX-28 is robust, it s not designed for modern use without maintenance. Tubes, capacitors, and other components degrade over time, and the radio may eventually require extensive restoration or replacement parts. This coil alone won t solve all issues but is a step toward keeping the transceiver functional.

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### **Conclusion**

The Hallicrafters SX-28 mixer coil (PN 103, T29) is a valuable component for restoring or maintaining an SX-28 transceiver. It offers authenticity, reliability, and compatibility with a classic radio that remains highly regarded in the amateur radio community. However, its age, cost, and the broader challenges of tube radio maintenance must be carefully considered.

If you are an SX-28 owner committed to restoring or preserving the transceiver, this coil is a worthwhile investment. For casual users or those new to tube radios, the long-term commitment required to keep the SX-28 operational may outweigh the benefits. Additionally, always prioritize sourcing from reputable sellers to ensure the coil s quality and authenticity.

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### **Recommendation**

- **Buy the coil if:**

- You own an SX-28 and are actively restoring or maintaining it.

- You are a tube radio enthusiast willing to invest time and effort into its upkeep.

- You value authenticity and the historical significance of the SX-28.

- You have access to resources (guides, community support) to troubleshoot and repair the radio.

- **Avoid or reconsider if:**

- You are not committed to the long-term care of a tube radio.

- You are on a tight budget and cannot afford the coil or potential future repairs.

- You lack experience with tube radio repair and cannot seek guidance.

- You prioritize modern convenience over vintage analog performance.

For those who decide to proceed, thoroughly research the seller, verify the coil s condition, and consider testing it before installation. Pair this purchase with other necessary repairs (e.g., tube replacements, capacitor checks) to ensure the SX-28 operates optimally.

Details:

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

part #: 51294 price

  • $10.00

specifications radiparaccessori:

  • brand: Hallicrafters
  • mpn: 51294
  • type: Mixer Coil
  • compatible model: Sx-28

seller radiparaccessori:

  • rating: 100.0%
  • # reviews: 1140
  • city: Zephyrhills, Florida

general radiparaccessori:

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

returns radiparaccessori:

  • policy: No Returns

offer radiparaccessori:

  • sold: 0
  • started: February 17, 2026
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home

payments radiparaccessori:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

shipping radiparaccessori:

  • service: USPS Ground Advantage
  • transit: 3-8 Days
  • type: Fixed
  • cost: $0.00
  • carrier: USPS
  • class: Standard
type: mixer coil, compatible model: sx-28,
category: electronics > radio communication > radio communication accs, sku: 8385653892140892,
Hallicrafters 51294 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 mixer 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 the mixer 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 oscillator section.+$7.90 shipping
  • Used. Offer #4 priced at $10.00 + $7.90 shipping estimate = $17.90* total. +$7.90 shipping
  • Used. Offer #5 priced at $10.00 + $7.50 shipping estimate = $17.50* total. +$7.50 shipping

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