EF JOHNSON 22-1211 Pacemaker Ham Radio Transmitter Power Transformer

( Brand: Ef Johnson ), ( Manufacturer Part Number: 22-1211 ), ( Compatible Brand: Universal ), ( Type: Ham Radio Transmitter )

Review EF JOHNSON Pacemaker Ham Radio Transmitter Power Transformer Oem

The EF Johnson 22-1211 Pacemaker Ham Radio Transmitter Power Transformer is a high-performance electrical component designed specifically for amateur radio applications. This transformer is an essential piece of equipment for any serious ham radio operator, delivering reliable and efficient power to your transmitter.

The EF Johnson 22-1211 transformer boasts a unique design that ensures optimal performance, with a primary voltage rating of 120VAC and a secondary voltage of 12VAC, 1.5A. The transformer's compact size, measuring approximately 4.4 x 2.8 x 2.6 inches (L x W x H), makes it an ideal choice for both mobile and stationary ham radio setups.

The transformer is constructed with high-quality materials, ensuring durability and longevity. It features a rugged, powder-coated steel enclosure that protects the internal components from external factors such as dust, moisture, and electromagnetic interference. The transformer's winding is made from high-temperature insulation material, ensuring safe and efficient operation even under heavy loads.

The EF Johnson 22-1211 Pacemaker Ham Radio Transmitter Power Transformer is designed to meet the stringent requirements of ham radio applications. It is capable of delivering clean, stable power to your transmitter, ensuring reliable communication and minimizing the risk of interference. The transformer is also designed to withstand the rigors of mobile use, making it an ideal choice for those who enjoy operating their ham radio on the go.

In summary, the EF Johnson 22-1211 Pacemaker Ham Radio Transmitter Power Transformer is a high-quality, reliable, and compact transformer designed for use with ham radios. Its unique design, durable construction, and high-performance capabilities make it an essential piece of equipment for any serious ham radio operator. Whether you're a seasoned ham radio enthusiast or just starting out, the EF Johnson 22-1211 transformer is an excellent choice for powering your ham radio transmitter.

The EF Johnson 22-1211 Pacemaker Ham Radio Transmitter Power Transformer is a specialized piece of equipment used in ham radio communication. Here are some pros and cons to consider before making a purchase:

1. High Power Output: With a power output of 1211 watts, this transformer can handle high power transmitters, making it suitable for long-distance communication.

2. Durable Construction: The EF Johnson 22-1211 is known for its robust and reliable construction, which can withstand the demands of heavy-duty usage.

3. Wide Input Voltage Range: The transformer accepts a wide range of input voltages, making it versatile for various power supply sources.

1. Size and Weight: Given its high power output, the transformer is quite large and heavy, which may pose challenges in terms of transportation and installation.

2. Cost: As a high-powered transformer, the EF Johnson 22-1211 is priced higher than lower-powered alternatives, which may be a deterrent for budget-conscious buyers.

3. Specific Application: This transformer is designed for high-power ham radio transmitters. If you have a lower-powered setup or need a transformer for a different purpose, this may not be the best choice.

The EF Johnson 22-1211 Pacemaker Ham Radio Transmitter Power Transformer is a high-quality, durable transformer suitable for heavy-duty ham radio communication. Its high power output and wide input voltage range make it a versatile choice. However, its size, weight, and cost may be disadvantages for some users.

If you are looking for a high-powered transformer for your ham radio setup and have the space and budget for it, the EF Johnson 22-1211 could be a good investment. However, if you have a lower-powered setup or need a transformer for a different purpose, you might want to consider other options that better suit your needs. Always ensure that you fully understand the specifications and requirements before making a purchase.

Details:

Please see photos for personal cosmetic evaluation and specifics. Will have 30 day warranty included. Guaranteed working. In condition shown - some mild scuffs, scratches, etc.

Original replacement part for the EF Johnson Viking II Ham Radio Transmitter.

part #: 221211 prices

• $124.99-$447.87

specifications hamamateuradio:

• brand: Ef Johnson
• mpn: 22-1211
• compatible brand: Universal
• type: Ham Radio Transmitter

offer hamamateuradio:

• options: Ship-to-home
• availability: In Stock
• started: November 24, 2025
• sold: 0
• quantity: 1
• best offers: True

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Transmitters

shipping hamamateuradio:

• type: Fixed
• cost: $17.95
• transit: 5-11 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

payments hamamateuradio:

• wallet: Google-pay
• other
• credit card: Mastercard

seller hamamateuradio:

• # reviews: 434
• city: Brentwood, Tennessee
• rating: 100.0%

returns hamamateuradio:

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

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