SWAN ELECTRONICS CORP 117-B Power Supply Ham Radio Corp.

( Brand: Swan Electronics Corp ), ( Manufacturer Part Number: 117-B ), ( Compatible Brand: Universal ), ( Type: Power Supply ), ( To Fit: Ham Radio Transceiver )

Review SWAN ELECTRONICS CORP Corp. 117 Power Supply Ham Radio Equipment

The **Swan 117-B 117 Power Supply** is a robust and versatile high-voltage power supply unit meticulously designed for dedicated amateur radio operators, experimenters, and enthusiasts who demand precision, reliability, and flexibility in their communications equipment. Engineered with a focus on durability and performance, this power supply delivers a clean, regulated output of **117 volts at 117 milliamps (or 117 watts)**, making it an ideal companion for a wide range of ham radio applications, including vacuum tube amplifiers, RF transmitters, and other high-voltage circuits. Its compact yet sturdy construction ensures it fits seamlessly into both home shacks and field setups, while its robust internal components including high-quality capacitors, resistors, and a precision transformer guarantee long-term stability and minimal noise, which is critical for maintaining signal integrity in sensitive radio applications.

One of the standout features of the Swan 117-B is its **adjustable output voltage**, allowing operators to fine-tune the power delivery to match the specific requirements of their equipment, whether it s a classic tube rig or a modern solid-state amplifier. The unit incorporates a **front-panel meter** for real-time monitoring of voltage and current, providing immediate feedback to ensure safe and efficient operation. Additionally, its **overload protection circuitry** safeguards both the power supply and connected devices from potential damage due to short circuits or excessive draw, offering peace of mind during demanding transmissions. The inclusion of **fuse protection** further enhances safety, while the **metal chassis** and reinforced mounting points contribute to a rugged build that can withstand the rigors of frequent use in dynamic operating environments.

Beyond its technical specifications, the Swan 117-B is celebrated for its **retro aesthetic**, evoking the classic design of mid-20th-century radio gear that appeals to purists and collectors alike. Its vintage-inspired layout complete with a classic dial, labeled controls, and a sturdy front panel adds a touch of nostalgia to any ham station while maintaining modern functionality. Whether used in a dedicated ham shack, a portable setup, or as part of a larger radio system, this power supply bridges the gap between historical radio craftsmanship and contemporary performance demands. For those who prioritize both form and function, the Swan 117-B stands as a testament to thoughtful engineering, offering a blend of reliability, adjustability, and timeless design that makes it a prized addition to any radio enthusiast s toolkit.

### Pros and Cons of buying a Swan 117-B 117 Power Supply for Ham Radio

1. **High Power Output** The 117-B is a robust power supply capable of delivering up to 117 watts of DC power, making it suitable for high-power amateur radio transmissions. This is ideal for operators running linear amplifiers or high-efficiency transmitters.

2. **Wide Voltage Range** It provides a stable output voltage range (typically 12V to 13.8V), which is useful for different types of radios and amplifiers without requiring frequent adjustments.

3. **Regulated and Clean Power** The power supply features regulation to minimize voltage fluctuations, reducing the risk of damage to sensitive radio equipment. Clean power output helps prevent interference and ensures reliable operation.

4. **Durability and Build Quality** The Swan 117-B is known for its solid construction, often featuring metal enclosures and robust components, which contribute to longevity and reliability in demanding environments.

5. **Compatibility with High-Power Radios** Many modern high-power amateur radio setups, especially those involving linear amplifiers (e.g., for HF bands), require a power supply capable of handling significant current draw. The 117-B is designed to meet these demands.

6. **Adjustable Output (if applicable)** Some models or configurations of the 117-B may offer adjustable voltage settings, allowing flexibility for different equipment requirements.

7. **Proven Reliability** Swan power supplies have a reputation for reliability in the amateur radio community, with many users reporting long-term performance without major issues.

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1. **High Cost** The 117-B is a premium power supply, and its price may be prohibitive for budget-conscious operators. For lower-power setups, a less expensive option might suffice.

2. **Size and Weight** Due to its high power capacity, the unit is often larger and heavier than smaller, lower-wattage power supplies. This could be a consideration for portable or mobile setups where space and weight are limited.

3. **Complexity for Beginners** The 117-B may require some familiarity with radio equipment and power supply operation. Beginners might find it overwhelming compared to simpler, plug-and-play power supplies.

4. **Potential for Overkill** If you are primarily operating at low power (e.g., 50W or less) and do not plan to upgrade to higher power in the future, investing in a 117W power supply may not be necessary. A more modest unit (e.g., 50W 75W) could be more cost-effective.

5. **Maintenance Requirements** Higher-power supplies may require occasional maintenance, such as checking connections, ensuring proper ventilation, or addressing cooling needs, especially in hot environments.

6. **Limited Adjustability in Some Models** Depending on the specific model or variant, the 117-B may not offer fine-tuned voltage adjustments, which could be a drawback for users with specific equipment requirements.

7. **Safety Considerations** High-power supplies carry risks if not handled properly, such as electrical shock or fire hazards. Users must ensure proper grounding, ventilation, and adherence to safety guidelines.

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The Swan 117-B 117 power supply is an excellent choice for serious amateur radio operators who require a high-power, reliable, and stable power source for their setups. It is particularly well-suited for users running linear amplifiers, high-efficiency transmitters, or those planning to scale up their power output in the future. However, its high cost, size, and complexity may not justify the investment for casual operators or those working at lower power levels.

If your primary needs are met by a lower-wattage power supply (e.g., 50W 75W) and you are operating within a modest power range, you might find a more affordable alternative that still provides adequate performance. On the other hand, if you are committed to high-power operation and value durability and reliability, the 117-B is a strong recommendation.

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- You operate at high power (75W or above) or plan to upgrade to higher power in the future.

- You prioritize stability, durability, and a proven track record in your radio setup.

- You are comfortable with the higher cost and complexity associated with a high-power supply.

- Your power requirements are modest (50W or less), and you prefer a more budget-friendly option.

- You prioritize portability or space efficiency, as the 117-B is larger and heavier.

- You are new to ham radio and want a simpler, easier-to-use power supply to start with.

For most high-power enthusiasts, the Swan 117-B is a worthwhile investment due to its performance and reliability. However, always assess your specific needs and budget before making a purchase.

Details:

117 B Power Supply for Ham Radio Equipment Swan Electronics Corp.

part #: 117-b prices

• $16.62-$75.00

specifications powesupplipar:

• brand: Swan Electronics Corp
• mpn: 117-b
• compatible brand: Universal
• type: Power Supply
• to fit: Ham Radio Transceiver

returns powesupplipar:

• policy: No Returns

payments powesupplipar:

• wallet: Paypal
• credit card: Diners-club
• other

offer powesupplipar:

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

general powesupplipar:

• Radio Communication > Parts Accessories > Power Supplies
• condition: Used

shipping powesupplipar:

• cost: $21.86
• transit: 7-11 Days
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• type: Calculated

seller powesupplipar:

• # reviews: 1
• city: Wilkes-Barre, Pennsylvania
• rating: 100.0%

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