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75 to 300 Ohm UHF/VHF Matching Transformer

4.5 out of 5 stars 127 customer reviews
| 7 answered questions

Price: $4.78 & FREE Shipping on orders over $49. Details
In Stock.
Sold by Reiss Innovations, LLC and Fulfilled by Amazon. Gift-wrap available.
  • Adapts 75 ohm coax to 300 ohm twin lead (or vice-versa) at antenna or television
  • 5-900 MHz UHF/VHF/FM
  • 3 capacitor PC board type
12 new from $2.00
$4.78 & FREE Shipping on orders over $49. Details In Stock. Sold by Reiss Innovations, LLC and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • 75 to 300 Ohm UHF/VHF Matching Transformer
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  • Outdoor Omnidirectional FM Antenna
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Total price: $38.72
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Technical Details

  • Brand Name: Parts Express

Product Description

Adapts 75 ohm coax to 300 ohm twin lead (or vice-versa) at antenna or television. 5-900 MHz UHF/VHF/FM.

Product Information

Technical Details

Brand Name Parts Express
Item Weight 0.3 ounces
Product Dimensions 4.7 x 0.3 x 0.1 inches

Additional Information

ASIN B0002ZPIOG
Customer Reviews
4.5 out of 5 stars 127 customer reviews

4.5 out of 5 stars
Best Sellers Rank #40 in Electronics > Accessories & Supplies > Audio & Video Accessories > Antennas > TV Antennas
#307 in Electronics > Accessories & Supplies > Television Accessories
#493 in Electronics > Televisions & Video
Shipping Weight 0.3 ounces (View shipping rates and policies)
Date First Available August 9, 2006

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Customer Reviews

Top Customer Reviews

Verified Purchase
These were EXTREMELY cheap compared to the $3-$10 each I found around town. I ordered 10 to make several digital antennas (don't buy one at the store when you can build one for $5 that works 10x better). One of the transformers twisted coax connector loose when I connected the wire to it, but it still works. They all work just fine, so I'm happy with them. These are great for hooking up just about any coax output component to a very old TV or as I used them, to build an antenna - check out makezine.tv or just google it. Looks weird, but it works amazingly better than a powered name-brand antenna I purchased from a large department store (to remain nameless, but rhymes with Ball-Cart).
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By AmazonDB on January 30, 2010
Verified Purchase
Bought 2 of these 75 to 300 ohm matching transformers. One arrived with a completely rusted terminal connection to one wire. Both units were unusable for me as I needed to screw a connection onto the threaded end. The unit was so cheap that the threads and threaded end were made too small and a threaded coax would not hold. It might work for someone who wanted to use a push-on connector. Too much trouble to return, will throw away.
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Verified Purchase
I got these to build HDTV antennas (technically UHF antennas). There are plans on the internet to use pieces of wire and a transformer like this to build them. they work very well, and the price is negligible.
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Verified Purchase
I bought these for my Gray Hoverman antenna--and then made another one, this one a Fractal as per the DIY website. In my opinion, both antennas work equally well---and are "ok"--nothing great. Perhaps our area does not have a whole lot of programming being sent this way. The Matching transformers worked well, and were sent quickly and packaged well.
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Verified Purchase
I bought this item after reading an article about building your own HD OTA antenna ([...]). I decided I had enough of the high cost and bad service from the cable company and purchased this item to build an antenna. The item was perfect for the plans and worked flawlessly. It allowed me to connect the antenna to a coax cable and then on to my HD tv. Dirty little secrect the cable company doesn't want you to know: you get a better HD signal OTA because the signal is not compressed.
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Verified Purchase
This part arrived completely defective. Since it would cost more to ship it back than it cost me to buy the part, I had to buy another one from a different supplier. I opened up the body of the transformer, and the wires were not even connected. How hard is it to make one of these things, really?
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Verified Purchase
Very happy with this purchase. I'm actually using this item to make my own dipole antenna (inside) for my shortwave radio. I went from picking up almost nothing to stations all over the world with 40 ft of copper wire on both connectors. Fun project that worked out and saved me some money.
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Verified Purchase
I used this on a homemade antenna and it seems to work fine. I'm not sure of what else I can do to test it, I don't have an analyzer that can validate the impedances or anything, so I can just say I get TV channels now. You can probably get it cheaper at your local radio store.
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