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National NC-60-Special
#1

Back in October I bought this National NC-60-Special. It is a glorified All American 5 circuit, and a successor to the National SW-54. It was made to compete with the Hallicrafters S-38E. If you look at the circuit you will see the striking similarity, right down to the "gimmick" used to provide feedback in the IF stage. Here is the schematic, I pieced the two halves together since they are on two different pages in the manual...

[Image: https://64.media.tumblr.com/384cc27bf411...603517.jpg]
Here is what the radio looked like before I began any work...

[Image: https://64.media.tumblr.com/12e973c8648f...9f0377.jpg]

[Image: https://64.media.tumblr.com/1958ba3c8fc1...62fbee.jpg]

I have ordered a number of condensers for the radio, and will have to wait for them to arrive. Other than that I have begun work by removing the chassis, doing some cleaning of the topside, removing the tubes for testing, and replacing the speaker which was pretty bad. I happened to have one of the right size and resistance in stock, which made it easy...

[Image: https://64.media.tumblr.com/cbfc38801e42...018022.jpg]


Messages In This Thread
National NC-60-Special - by mikethedruid - 11-10-2021, 07:04 PM
RE: National NC-60-Special - by PhilcoMike - 11-11-2021, 05:22 PM
RE: National NC-60-Special - by mikethedruid - 11-11-2021, 07:15 PM
RE: National NC-60-Special - by PhilcoMike - 11-12-2021, 01:08 PM
RE: National NC-60-Special - by tbone - 11-14-2021, 07:26 PM
RE: National NC-60-Special - by mikethedruid - 11-15-2021, 04:22 AM
RE: National NC-60-Special - by Eliot Ness - 11-15-2021, 09:19 AM
462ron - by 462ron - 11-15-2021, 12:37 PM
RE: National NC-60-Special - by Radioroslyn - 11-15-2021, 03:52 PM
RE: National NC-60-Special - by mikethedruid - 11-15-2021, 04:21 PM
RE: National NC-60-Special - by mikethedruid - 11-15-2021, 05:27 PM
RE: National NC-60-Special - by Radioroslyn - 11-15-2021, 08:45 PM
RE: National NC-60-Special - by mikethedruid - 11-15-2021, 10:25 PM
RE: National NC-60-Special - by radiorich - 11-15-2021, 11:30 PM
RE: National NC-60-Special - by mikethedruid - 11-18-2021, 11:03 AM
RE: National NC-60-Special - by EdHolland - 12-01-2021, 10:35 PM
RE: National NC-60-Special - by PhilcoMike - 12-02-2021, 04:14 PM
RE: National NC-60-Special - by mikethedruid - 12-02-2021, 04:49 PM



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