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 Post subject: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 9:46 pm 
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Location: Sherwood, Oregon
About 4-5 years ago I bought this thing on ebay. It was missing the speaker and knobs. I bought a speaker/grill cloth/knobs for it. I still need to get the correct output transformer. It was also missing the output tube (the socket just said "Pentode" on it). Looking at similar tube lineups, I determined it was probably a 45 (whoops - I meant 47) so I put one in there. I can't find the tube lineup sheet I drew up right now.
Anyway, the chassis frame has no way that I can tell to be secured to the cabinet, so when it was shipped, it bounced around and damaged the front (I glued it back together).
It's just sitting on the shelf right now. I'm kind of hesitant to start replacing parts on something that may be one of a kind. It looks like the transformer was replaced at some time. The layout reminds me of some of the early Philco cathedrals. Also, look at the tube socket at the top of the last picture is partially hanging out in space.


Attachments:
Hyperton - front.jpg
Hyperton - front.jpg [ 144.28 KiB | Viewed 488 times ]
Hyperton escutcheon.jpg
Hyperton escutcheon.jpg [ 86.83 KiB | Viewed 488 times ]
Hyperton - chassis - front.jpg
Hyperton - chassis - front.jpg [ 99.84 KiB | Viewed 488 times ]
Hyperton - chassis - back.jpg
Hyperton - chassis - back.jpg [ 99.34 KiB | Viewed 488 times ]
Hyperton - chassis - top.jpg
Hyperton - chassis - top.jpg [ 131.57 KiB | Viewed 488 times ]
Hyperton - chassis - bottom.jpg
Hyperton - chassis - bottom.jpg [ 172.26 KiB | Viewed 488 times ]


Last edited by mgrant on May Sun 20, 2018 10:26 pm, edited 1 time in total.
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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 9:59 pm 
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Joined: Jul Fri 10, 2009 10:13 pm
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Location: Weymouth,Massachusetts
The pentode should likely be a #47 and not a #45.
Henry


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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 10:22 pm 
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radiohenry wrote:
The pentode should likely be a #47 and not a #45.
Henry

Whoops - you're right - it's a 47.


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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 10:30 pm 
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Joined: Nov Tue 14, 2017 5:09 am
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Location: Austin, Texas
That 4 pin socket looks like it should be for the output transformer and speaker. i see connections to the output tube plate (looks like a 47) and B+.

Jay


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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 10:49 pm 
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Location: Sherwood, Oregon
Found the tube layout drawing.
27, 24, 51/35, 51/35, 24, 47, 80


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Hyperton - tube layout.jpg
Hyperton - tube layout.jpg [ 95.23 KiB | Viewed 458 times ]
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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 11:15 pm 
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Definitely fix it..the chassis looks nice. As far as the cabinet I'd be 50/50 on whether to refinish it. Looks like someone varnished it along the way.

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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 11:17 pm 
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Here's a staged photo I made a few years ago. Like what if great grandpa/grandma were sitting around the table looking at old photos and listening to the radio (I know - it's corny) :)


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Hyperton Radio.jpg
Hyperton Radio.jpg [ 96.11 KiB | Viewed 446 times ]
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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 11:20 pm 
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SmoothOscillator wrote:
Definitely fix it..the chassis looks nice. As far as the cabinet I'd be 50/50 on whether to refinish it. Looks like someone varnished it along the way.


Yeah, that varnish has to go - no matter what! I would like to re-stuff those caps - but the ends are not what I normally see. I wouldn't know how to do it.


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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 11:35 pm 
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Location: Dallas Tx
Send the cabinet to me for refinish, I will make it look like a million bucks :shock: :shock: :shock: :shock:


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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Sun 20, 2018 11:56 pm 
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mgrant wrote:
SmoothOscillator wrote:
Definitely fix it..the chassis looks nice. As far as the cabinet I'd be 50/50 on whether to refinish it. Looks like someone varnished it along the way.


Yeah, that varnish has to go - no matter what! I would like to re-stuff those caps - but the ends are not what I normally see. I wouldn't know how to do it.


Those are Cornell Cubs with the paper and foil wrapped around a wooden dowel. They put a paper label on them then wax them.

You have to get crafty to restuff those. :idea:

-Steve

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 Post subject: Re: Hyperton cathedral - leave alone or fix it?
PostPosted: May Mon 21, 2018 12:08 am 
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Location: Sherwood, Oregon
fred taylor wrote:
Send the cabinet to me for refinish, I will make it look like a million bucks :shock: :shock: :shock: :shock:

Yeah, I've seen your work on this forum Fred - REALLY, REALLY nice. I'll keep you in mind.
Mike


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