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Coil - RF

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Item ID: 005494
Price: $8.95
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Coil is similar to Miller number 70-RF. Resistance Measurements Lug 1 to 2: 9.7 ohms Lug 3 to 4: 78.0 ohms Please click on image for further specs

UPC/EAN: 609722162500

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Specifications, Files, and Documents

Product Reviews

5.00 out of 5 based on 3 reviews

This coil has a very wide range, Has the possible capability of being a replacement IF transformer, Can be easily modified to work in the Longwave spectrum by adding a 390 or 500 pf capacitor across the variable cap. terminals.

Alex G. - January 29th, 2019

I ordered 7 of these coils, to be sent to me, here in New Zealand. I needed at least 3 to replace RF coils in radios I have here that needed to be retuned to receive a station on 531Khz (the radios previously only tuned down to about 550Khz). Unfortunately, the original coils in these radios have a fixed ferrite slug, and weren't easily re-tunable. When I did manage to free the slugs for re tuning, I found the gain through the old coils to be woefully low. Experimentation showed that substituting a piece of ferrite rod aerial improved the gain a lot, but I couldn't figure a way to sucessfully attach a brass adjusting screw to the ferrite, so the coil could be accurately tuned once installed back in to the radio. It was by pure luck that I 'came across' the 'Antique Electronic Supply' web site, and a search of the site showed that new (and fully adjustable) RF coils were stocked. I placed an order for 7 on the 28th December. I was absolutely amazed that they arrived to me on the 5th January - 8 days later, which included a weekend (and two public holiday days for us, here in New Zealand. Absolutely outstanding service from Antique Electronic Supply. I also must add that Justin answered (my sometimes pointless) emails promptly and courteously too.
I wasted no time in temporarily installing one of the coils in to a radio, and I was very impressed that it worked exactly as I expected it to. It tuned up beautifully.
Thank you Justin and Antique Electronic Supply. I will be buying from your company again soon.
Peter W, New Zealand

Peter Walsham - January 18th, 2016

Well made coil The core racks well when "adjusting the slug". Very happy with this product!

RWE - August 30th, 2015

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