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  3. JOHNSON 250-35

JOHNSON 250-35 Filter Ham Radio E.f

250-35 Johnson Vintage E.f Company

( Brand: Johnson ), ( Manufacturer Part Number: 250-35 ), ( Type: Low Pass Filter ), ( Country/region Of Manufacture: United States )

Review JOHNSON Vintage Company Pass Filter Ham Radio

The 250-35 Johnson Filter for ham radio is a high-quality, essential component in any amateur radio setup. This filter is designed to improve the performance and signal clarity of your radio system by reducing interference from external sources.

The 250-35 Johnson Filter is a wideband, low-pass filter, specifically designed to operate between 250 MHz and 3500 MHz. This wide frequency range makes it suitable for use with various ham radio bands, including the 2-meter, 70-centimeter, and 23-centimeter bands.

The filter is constructed using high-quality materials, including a dual-layer ceramic substrate and gold-plated terminals. This ensures reliable operation and a long lifespan, even in harsh environmental conditions. The filter has a maximum power rating of 150W, making it suitable for use with high-power radio transmitters.

The 250-35 Johnson Filter is easy to install, with a compact size and a threaded mounting flange that can be attached to most ham radio antennas. It features a low insertion loss of less than 0.5 dB, ensuring minimal signal degradation, and a high rejection of out-of-band signals, reducing interference and improving signal-to-noise ratio.

In conclusion, the 250-35 Johnson Filter is a must-have for any ham radio enthusiast looking to improve their radio system's performance and signal clarity. Its wide frequency range, high power rating, reliable construction, and easy installation make it a versatile and reliable solution for reducing interference and improving signal quality.

Pros of buying a 250-35 Johnson filter for a ham radio:

1. Improved reception: The filter can help reduce interference and improve the signal-to-noise ratio, making it easier to hear weak signals.

2. Better performance: The filter can help reduce unwanted frequencies and improve the overall performance of the radio, making it easier to use and more enjoyable to operate.

3. Wide frequency range: The filter covers a wide frequency range, making it compatible with a variety of ham radio bands.

Cons of buying a 250-35 Johnson filter for a ham radio:

1. Cost: Filters can be expensive, especially high-quality ones like the Johnson 250-35.

2. Installation: Installation can be tricky, especially for those who are not familiar with the internal workings of their radio.

3. Limited utility: Depending on the specific radio and antenna setup, the filter may not provide a significant improvement in performance.

Conclusion: If you are experiencing interference or poor reception on your ham radio, a filter like the Johnson 250-35 can be a worthwhile investment. However, it is important to consider the cost and potential difficulty of installation before making a purchase. It may be worth consulting with a ham radio expert or doing some research to determine if a filter is necessary and which one would be best for your specific setup.

Recommendation: If you decide to purchase a filter, it is recommended to choose a reputable brand like Johnson and to carefully follow the manufacturer's instructions for installation. Additionally, it may be helpful to consult with a ham radio expert or do some research to ensure that the filter is compatible with your specific radio and antenna setup.

Details:

The filter has wear from storage use like scratches, scuffs, dust and dirt. Comes with a short RF cable and original bracket without hardware.

Johnson company made in the USA low pass filter model sold as is, untested, please see high-res photos for more details.

part #: 25035 prices

  • $15.00-$65.00

specifications powesupplipar:

  • brand: Johnson
  • mpn: 250-35
  • type: Low Pass Filter
  • country/region of manufacture: United States

Shipping powesupplipar:

  • handling: 2 days
  • type: Calculated

General powesupplipar:

  • condition: For parts or not working
  • in stock: Yes
  • consumer electronics > radio communication > partsaccessories > power supplies parts accessories

Offer powesupplipar:

  • bids: 0
  • best offer: true
  • Started: November 14, 2017, 4:12 pm
  • quantity: 1
  • Sold: 0

Payments powesupplipar:

  • PayPal

Seller powesupplipar:

  • zipcode: 01915
  • city: Beverly, Massachusetts

Returns powesupplipar:

  • policy: no returns

Ratings:

  1. 11-10-17
  2. good 11-13-17
  3. Excellent meter, thanks. 11-10-17
  4. Thank you for your purchase of Branded Shipping Supplies! 11-12-17
type: low pass filter, country/region of manufacture: united states,
category: electronics > radio communication > power supplies parts accessories, sku: 368754761133292,
Review#1
Review#2 good ()
Review#3 Excellent meter, thanks. ()
Review#4 Thank you for your purchase of Branded Shipping Supplies! ()
Johnson 250-35 Is Similar To:
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3 offers $15.00–$65.00 USD
  • Used. Offer #1 priced at $19.99 + $0.00 shipping estimate = $19.99* total. FREE SHIPPING
  • Brand New. Offer #2 priced at $15.00 + $0.00 shipping estimate = $15.00* total. This is a wealth of information for any Radio wanting to be repaired or parting out. This is a large Manual on CD w/ Adobe Reader Many Pages of Information.FREE SHIPPING
  • Used. Offer #3 priced at $65.00 + $8.61 shipping estimate = $73.61* total. Noted it had a 30 mc cutoff with less than 2:1 SWR. EF Johnson low pass filter.+$8.61 shipping

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