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Vintage National Speaker For Sale: This speaker is a National speaker, with the National logo on it. It apparently was made to go with the NC-46 receiver, but I am sure could be used with others as

Vintage National Speaker For Sale: This speaker is a National speaker, with the National logo on it. It apparently was made to go with the NC-100 receiver, but I am sure could be used with others

Paul . . . You might give it to a local club to loan out to new tech licensees who are interested in getting their "low bands ticket" (general licence or higher). They can learn what different bands

Thanks and good to hear from you. I replaced most of the caps and aligned it. The alignment went okay but there was one cap that went to near the end of its limit. All the tubes are okay. I added a

[MODERATOR NOTE: I don't know if I didn't see this pending message when it got in the queue, if my reply to approve the post did not get to groups.io for some reason, or what happened, but I'm sorry

Anyone figure out a good way to modify the NCL-2000’s keying circuit so that a modern transceiver can safely key it? The amp uses the 13.8 VAC filament supply at approx 500 ma for keying. Keying AC

Selling is allowed in this group for ham radio equipment only, and at least one of the items for sale must be related to the purpose of the group. We require that anything being sold here have a price

Bring it up slowly with a variac, if possible. If not, bring it up with a series 60-watt incandescent light bulb - receiver only. For the transmitter section, you might use a 300-watt incandescent

I have a National 200 tranceiver that I got when I first got licensed almost 25 years ago but it hasn't been powered up in at least 20 years. The only known issue is I burned up the audio output

Just signed into the group and have a few piece of National equipment. My very 1st SSB transceiver was a NCX-3 purchased new in 1963 and taken to a DX location (Midway Island then KM6). It didn’t do

thanks wrote: -- Paul W8SBH ?? ?? ???? (this too shall pass)

Paul . . . wrote: Here's an article/review about it. http://www.w6ze.org/Heathkit/Heathkit_024_QF1.pdf Do a web search and you'll find more information and even videos. Donald KX8K (formerly

What's QF-1?

I've always liked the looks of the NC-98.? I used one with a Heathkit QF-1 Q-multiplier added to it back in the sixties but sold it many years ago.? Just a few years ago I bought another NC-98 on

I just joined the group. I recenlty acquired a NC-98 and better than expected conditon. It does work, but poorly. I have just started replacing the caps and next plan to check the tubes to see their

Hi All, Here is another note on the above transceivers (applies to both models). I noticed that the received signal seem "gravelly" or "raspy". This seemed to be worse on strong signals and

Robert, It's the right group, just hardly anyone here. Not a lot of people who have National radios have found this group yet. I started it just before the rules changed for basic groups

Well, not sure if this is the right group or not, but we will find out. Working on restoring an NCX-500 (very similar to the National 200, or NCX-200) transceiver. I am located very close to a 50kw