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Majestic 120 restoration
Here's a set I picked up at the ETF 2022 fall swap meet.
It's a seldom seem Majestic 210 I'm, guessing from 1949. This cabinet style has a leatherette wrapped cabinet with bakelite front panel. https://live.staticflickr.com/65535/...9a7db902_c.jpg Lots of unusual features. For example, the AC interlock is at the top of the back. The masonite back is well designed to lock into the base with two pins and secure with screws at the top. https://live.staticflickr.com/65535/...16121f63_c.jpg Doggie photo bomb! https://live.staticflickr.com/65535/...c0e75439_c.jpg That's better. I believe the flyback is under the metal box on the right. It appeared to be lacking a horizontal output tube until I realized it used an octal 6AV5 beam power tube to drive the flyback. https://live.staticflickr.com/65535/...cb5e7fe2_c.jpg The little support arm on the anode lead is a nice touch. It will prevent the lead from shorting to the chassis if it comes loose. https://live.staticflickr.com/65535/...6b242f5d_c.jpg At least one original Majestic tube remains. https://live.staticflickr.com/65535/...d2a1db0e_c.jpg Oh no! An Ellenbagen Re-Fractor :sigh: https://live.staticflickr.com/65535/...19f98625_c.jpg https://live.staticflickr.com/65535/...9d529d82_c.jpg One of the deadest CRTs I've encountered. Aggressive rejuvination got emissions to about 3 ticks above 0 on my CR-70. Oh well, I have a spare 12LP4 I can use. https://live.staticflickr.com/65535/...41ba9c97_c.jpg |
Apparently the 6AV5 was designed as a horizontal output. Go figure…
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Majestic must have liked that 6AV5 horizontal output tube as my 1955 21-inch model uses one. On further inspection of your pictures, it looks like the chassis and tube layout is very similar to my later Majestic!
Does the vertical use the 6C4 and 6BL7 in that right and corner? -- Matt Davala |
Hallicrafters also had a model with a 16GP4 that used the 6AV5 as the Horizontal Output tube.
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Spent a little time tonight examining the front more closely. I've been hoping the dull bakelite will clean up.
https://live.staticflickr.com/65535/...35e751b5_c.jpg Yes, it's in fantastic condition under the crud! No cracks or chips. https://live.staticflickr.com/65535/...1cfc2df6_c.jpg |
I’ve also seen 6L6s used as H outputs, and one weird set had a quad of 50B5s
I don’t know the motivation… |
What was the brand of that weird set with the 50B5s. Curious minds want to know.
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The front is only held on by four screws and easy to remove. Amazed that there are no cracks, scratches or chips!
Don't think the CRT face has ever been cleaned. https://live.staticflickr.com/65535/...08cdb4d4_c.jpg The safety glass is held on with those damn Tinnerman push on nuts https://live.staticflickr.com/65535/...2d2daff3_c.jpg https://live.staticflickr.com/65535/...6d0c1df8_c.jpg I think the escutcheons are solid brass. If so, it will be easy to polish off the corrosion. https://live.staticflickr.com/65535/...4e920992_c.jpg That's as far as I got last night. https://live.staticflickr.com/65535/...4c68435f_c.jpg |
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One 10" model used all kinds of 150ma radio tubes and was designed to work on 120 volts, AC or DC. :scratch2: |
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I really need to sort my stuff better. Roughly half my mineatures are unboxed used pulls and I often give up and buy new when the boxed and labeled stuff isn't what I need or a listed sub in one of my books. |
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