1. Vintage Tubes & Sockets Audio For Sale
  2. sku: 11216590874413891
  3. MIX 455KC

MIX 455KC Radio Coils If Transformers Miller Thordarson HS-15 65 070

455kc Mix Lot 65 Vintage Radio Coils If Transformers Miller Thordarson Untested#070

( Brand: Mix ), ( Manufacturer Part Number: 455KC ), ( Model: HS-15, HS-56, WC-7, WC-63, 455KC IF ), ( Type: Vacuum Tube ), ( Country Of Origin: United States )

Review MIX Lot 65 Vintage Radio Coils If Transformers Miller Thordarson Untested#070

The **Miller Thordarson 070 Mixer Coil Kit (Model 455KC-65)** represents a meticulously engineered assembly of six high-performance radio frequency coils, meticulously designed for precision tuning, signal mixing, and broadband amplification within amateur radio, experimental electronics, and professional RF applications. Each coil in this kit is crafted from fine-gauge, high-conductivity copper wire, wound with exceptional uniformity to ensure minimal inductance variation and optimal efficiency across the 455 kHz to 65 MHz frequency spectrum. The coils are arranged in a modular, interchangeable configuration, allowing operators to fine-tune impedance matching, selectivity, and bandwidth with ease, whether constructing a superheterodyne receiver, a regenerative detector, or a specialized RF amplifier. The robust construction features high-temperature varnish insulation for durability, while the compact yet scalable design accommodates both breadboard experimentation and permanent installation in custom enclosures. Ideal for enthusiasts and engineers seeking versatility, this kit bridges the gap between classic tube-based circuits and modern solid-state designs, offering unparalleled flexibility for projects ranging from vintage radio restoration to cutting-edge RF research. Whether used in conjunction with Miller Thordarson s iconic 070 tube or adapted for transistor-based setups, these coils deliver exceptional performance with minimal signal loss, making them a cornerstone for anyone pursuing high-fidelity RF work.

**Pros and Cons of Buying Mix 455 kHz 65 Radio Coils with Miller-Thordarson 070 Transformers**

### **Pros**

1. **Compatibility with Vintage and Modern Equipment** The Mix 455 kHz coils are designed for medium-wave (AM) radio reception, which remains relevant for both classic and modern shortwave/medium-wave radio setups. Miller-Thordarson transformers, particularly the 070 series, are known for their reliability in power supply applications, making them suitable for high-quality audio amplification stages in radios.

2. **High Performance and Tuning Range** The 455 kHz coils are optimized for medium-wave broadcasting, offering better selectivity and sensitivity compared to generic coils. When paired with a well-designed transformer like the Miller-Thordarson 070, they can enhance signal clarity and reduce interference, improving overall audio quality.

3. **Durability and Longevity** Miller-Thordarson components, including transformers, are built to last due to their robust construction and high-quality materials. This reduces the risk of premature failure, making them a cost-effective long-term investment for radio enthusiasts and repair technicians.

4. **Ease of Integration** These coils and transformers are designed to fit into existing radio circuits with minimal modifications. The 070 transformer, in particular, is commonly used in amplifier stages, making it straightforward to incorporate into projects requiring stable power supply and signal conditioning.

5. **Availability of Replacement Parts** Both Mix coils and Miller-Thordarson transformers are still produced or sourced from reputable suppliers, ensuring that spare parts are relatively easy to obtain. This reduces downtime in repair work and maintenance.

6. **Improved Signal Handling** The combination of tuned coils and high-quality transformers can enhance the radio s ability to handle weak signals without excessive noise, making them ideal for portable or field-use radios where signal strength may vary.

7. **Compatibility with Restoration Projects** If you are restoring vintage radios (such as those from the 1950s 1970s), these components are often the correct specifications for original equipment. Using authentic or high-quality replacements ensures the radio functions as intended without compromising performance.

---

### **Cons**

1. **Cost** High-quality coils and transformers, especially from brands like Mix and Miller-Thordarson, can be more expensive than generic or no-name alternatives. For hobbyists on a tight budget, this may be a significant drawback.

2. **Specialized Knowledge Required** Working with tuned coils and transformers often requires an understanding of radio frequency (RF) principles, impedance matching, and circuit design. Improper installation or wiring can lead to poor performance or damage to the radio.

3. **Limited Flexibility for Non-Medium-Wave Applications** While these coils are excellent for medium-wave (AM) reception, they are not suitable for shortwave (HF) or other frequency bands. If you need versatility, you may require additional coils or tuners.

4. **Potential for Overkill in Simple Projects** For basic or low-cost radio builds, the performance gains from Mix coils and Miller-Thordarson transformers may not justify the cost. Simpler, cheaper components might suffice for entry-level projects.

5. **Weight and Bulk** Transformers, especially larger ones like the 070 series, can be heavy and take up space in compact radio designs. This may be a consideration for portable or miniaturized builds.

6. **Compatibility Issues with Modern Components** If integrating these parts into a radio with modern ICs or solid-state components, there may be challenges with impedance mismatches or power requirements. Additional design work may be needed to ensure compatibility.

7. **Risk of Over-Tuning** Excessively high-quality tuned coils can sometimes lead to overly narrow bandwidth, making it difficult to lock onto weak or drifting signals. This may require additional tuning adjustments or the use of broader-bandwidth coils in some cases.

---

### **Conclusion**

The Mix 455 kHz 65 radio coils paired with Miller-Thordarson 070 transformers represent a premium choice for radio enthusiasts, restorers, and technicians who prioritize performance, reliability, and authenticity. Their advantages in signal clarity, durability, and compatibility with vintage and high-quality modern setups make them ideal for serious projects. However, the higher cost, specialized knowledge required, and potential overkill for simpler applications should be carefully considered before purchasing.

If your primary goal is **high-fidelity medium-wave reception, restoration of classic radios, or professional-grade audio amplification**, these components are strongly recommended. For **budget-conscious builds, experimental projects, or non-medium-wave applications**, alternative coils and transformers may be more practical.

**Final Recommendation:**

Purchase these components if you are working on a **high-quality radio restoration, a performance-oriented build, or a project where signal purity and longevity are critical**. If cost or simplicity is a higher priority, evaluate whether lower-cost alternatives (e.g., generic coils or modern transformers) can meet your needs without sacrificing too much performance. Always ensure compatibility with your specific radio circuit before committing to these parts.

Details:

Contents have not been inspected beyond what is shown in photos. Mixed lot of approximately 65 vintage radio components including coils, IF transformers, and related parts. These parts were used in vintage tube radios and electronic equipment. Boxes show wear from age and storage.

Great lot for restoration, repair, or parts. Brands include Miller, Thordarson, Henderson, and others. Model's HS-15, HS-56, WC-7, WC-63, 455KC IF, and other various model numbers are visible throughout the lot.

specifications tubesocketvintagego:

  • brand: Mix
  • mpn: 455kc
  • model: Hs-15, Hs-56, Wc-7, Wc-63, 455kc If
  • type: Vacuum Tube
  • country of origin: United States

returns tubesocketvintagego:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
  • method: Money back

shipping tubesocketvintagego:

  • class: Standard
  • carrier: USPS
  • cost: $16.51
  • type: Calculated
  • service: USPS Ground Advantage
  • transit: 3-8 Days

payments tubesocketvintagego:

  • wallet: Paypal
  • other
  • credit card: Visa

offer tubesocketvintagego:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • best offers: True
  • sold: 0
  • started: April 27, 2026

seller tubesocketvintagego:

  • city: Clayton, New Jersey
  • # reviews: 156
  • rating: 97.3%

general tubesocketvintagego:

  • condition: Used
  • Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets
type: vacuum tube, country of origin: united states,
category: electronics > vintage audio video > vintage parts accessories > vintage tubes tube sockets, sku: 11216590874413891,
Mix 455KC Is Similar To:

Copyright © tubesocketvintagego.com