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-   -   A perplexing puzzle: National NC-183D power transformer (http://www.videokarma.org/showthread.php?t=269125)

Kamakiri 06-22-2017 08:25 AM

3 Attachment(s)
Oh, it's all recapped....I had everything in stock. Replaced a few out of tolerance resistors as well as the voltage dropping resistors. For caps, I used standard fare. I had to modify the thing enough to get it going.....

Um, these boat anchors seem to be multiplying. I realized this morning that I have to stop as I'm rapidly running out of room :sigh:

Kamakiri 06-22-2017 08:26 AM

4 Attachment(s)
And more :tears:

Kamakiri 06-22-2017 08:28 AM

BTW - every one of them works, all except the R-390A have been recapped. The NC-303 isn't here yet, I just bought it off the Facebook radios for sale page.

And just think, six weeks ago I didn't have any boat anchors!!

davet753 06-22-2017 03:35 PM

Quote:

Originally Posted by Kamakiri (Post 3185713)
Oh, it's all recapped....I had everything in stock. Replaced a few out of tolerance resistors as well as the voltage dropping resistors. For caps, I used standard fare. I had to modify the thing enough to get it going.....

Um, these boat anchors seem to be multiplying. I realized this morning that I have to stop as I'm rapidly running out of room :sigh:

Ok, now I'm officially jealous. I love that Hammarlund with the clock. I saw that model at the Knoxville Hamfest last Saturday, but it didn't have the clock option. I need another boat anchor like I need a hole in the head, but I'd make the space for one of those in a heartbeat. I've heard those are really good performers.

Kamakiri 06-23-2017 06:55 AM

The Hammarlund is seriously impressive....out of all of the boat anchors I have, for listening to SSB QSOs or CW it's probably the best. Drift is minimal....when turned off the heaters on two of the tubes are constantly powered in order to keep the radio on frequency. It's a ham band only receiver. I picked up the Hammarlund and the National that I stuck the power transformer in for $75 for the pair. The Hammarlund only needed a control cleaning and new caps just for good measure. It had seen almost no use over its life.


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