Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Early B&W and Projection TV

Notices

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #1  
Old 06-10-2008, 04:24 PM
karmaman's Avatar
karmaman karmaman is offline
AK Member
 
Join Date: Mar 2007
Location: Escondido, CA
Posts: 137
Look guys, someone who thinks they're better than AK!

http://www.dailymail.co.uk/news/arti...gital-age.html

As interesting as this article is, it makes me bitter for some reason. First off, they say the set was "converted" to receive digital signals. What? You mean you hooked up a converter box? That's not converting the set, that's just plugging a box into it.

They also say the "experts" replaced 13 capacitors and the brightness knob. Wow! That's a lot of work for a 51 year old set! What experts! It must have taken forever to swap out 13 caps!

And they act like nobody's ever heard of a TV from 1957, it's officially the oldest TV ever "converted" to digital. This is the part of the article that gets me.

What do you guys think?
Reply With Quote
  #2  
Old 06-10-2008, 04:37 PM
ozmoid's Avatar
ozmoid ozmoid is offline
Resident Frog
 
Join Date: Jul 2005
Posts: 111
Instead of "Better than AK", I think it's somebody who's never *heard* of AK.
__________________

Nothing outside you can ever give you what you're looking for. I'm gone fishing... see you at the pond.
Reply With Quote
  #3  
Old 06-10-2008, 05:27 PM
OvenMaster's Avatar
OvenMaster OvenMaster is offline
DTV blows
 
Join Date: Jan 2005
Location: Red Sox Nation
Posts: 565
Actually, that's a pretty cute TV. And converting a 405-line analog set to 625-line digital has just got to be more complicated than swapping out some caps... I'd like to find out more about the converter that's mentioned. 405-line b/w was on VHF frequencies; 625 is on UHF.
Tom
__________________
Tom
Reply With Quote
  #4  
Old 06-10-2008, 05:37 PM
kbmuri's Avatar
kbmuri kbmuri is offline
VideoKarma Member
 
Join Date: May 2006
Location: Fort Wayne, IN
Posts: 590
yeah, never heard of AK.

You all saw my '48 Magnavox playing digital. I hope that "digital UK" meant it was the oldest TV in the UK that was converted.

Although I don't actually see a converter box anywhere. It would be a real accomplishent to actually convert a tube TV to view digital signals with tubes. More than replacing 13 capacitors and a brightness knob, I suspect.

Is anybody running a pre-war off a converter box yet?

Facts aside (flame walnut?), it's a good article. I appreciate one of the last lines:

Quote:
If it weren't for eccentrics like me nothing would be preserved
Gotta say amen to that.
__________________

Do not attempt to adjust your set.
Reply With Quote
  #5  
Old 06-10-2008, 08:16 PM
tubesrule's Avatar
tubesrule tubesrule is offline
VideoKarma Member
 
Join Date: Jul 2004
Location: Michigan
Posts: 331
Quote:
Originally Posted by OvenMaster View Post
Actually, that's a pretty cute TV. And converting a 405-line analog set to 625-line digital has just got to be more complicated than swapping out some caps... I'd like to find out more about the converter that's mentioned. 405-line b/w was on VHF frequencies; 625 is on UHF.
Tom
Hi Tom,
It's one of my converters in Richards set, which was the reference to being available from America. They are small enough (about 2" square) that many people just stick them in the set itself. Although I make them for just about every obsolete standard, the British 405 is by far the most requested since they used this right up until 1986 and there are plenty of sets still around.

I do know of few pre-war sets in England that are used on a fairly regular basis for daily viewing from Freeview/Sky boxes or DVD's, so the comment about this being the oldest set is a bit of a stretch. I do agree that that is one nice looking set.

You can find out more about how the converter works by downloading the user manual from: http://converter.home.comcast.net/~converter/

Darryl
Reply With Quote
Audiokarma
  #6  
Old 06-10-2008, 09:23 PM
Steve McVoy's Avatar
Steve McVoy Steve McVoy is offline
VideoKarma Member
 
Join Date: Oct 2002
Location: Columbus, Ohio
Posts: 1,606
I submitted a response to the article, saying about what Darryl said. So far it hasn't been posted.
Reply With Quote
  #7  
Old 06-11-2008, 12:57 AM
ChrisW6ATV's Avatar
ChrisW6ATV ChrisW6ATV is offline
Another CT-100 lives!
 
Join Date: Feb 2007
Location: Hayward, Cal. USA
Posts: 3,541
Quote:
Originally Posted by kbmuri View Post
It would be a real accomplishent to actually convert a tube TV to view digital signals with tubes. More than replacing 13 capacitors and a brightness knob, I suspect.
To make a digital tuner and decoder, it would probably take maybe 5000 tubes, if you use solid-state memory. To add tube-type memory, add 256,000 (or would it be 256,000,000?) more tubes.
__________________
Chris

Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
Reply With Quote
  #8  
Old 06-11-2008, 08:09 AM
Old1625's Avatar
Old1625 Old1625 is offline
VideoKarma Member
 
Join Date: Jan 2008
Location: Western MA
Posts: 426
Quote:
Originally Posted by ChrisW6ATV View Post
To make a digital tuner and decoder, it would probably take maybe 5000 tubes, if you use solid-state memory. To add tube-type memory, add 256,000 (or would it be 256,000,000?) more tubes.
Oh my aching transformer!
Reply With Quote
  #9  
Old 06-11-2008, 08:42 AM
roundscreen roundscreen is offline
VideoKarma Member
 
Join Date: Oct 2003
Location: buffalo ny
Posts: 377
If you look at the wood grain on that set, It sorta does look like flames. That may be what they where thinking when they wrote flamed walnut. That is a good looking set but they should replace all the caps.
Ed
Reply With Quote
  #10  
Old 06-11-2008, 09:23 AM
OvenMaster's Avatar
OvenMaster OvenMaster is offline
DTV blows
 
Join Date: Jan 2005
Location: Red Sox Nation
Posts: 565
Quote:
Originally Posted by tubesrule View Post
Hi Tom,
It's one of my converters in Richards set, which was the reference to being available from America. They are small enough (about 2" square) that many people just stick them in the set itself. Although I make them for just about every obsolete standard, the British 405 is by far the most requested since they used this right up until 1986 and there are plenty of sets still around.

I do know of few pre-war sets in England that are used on a fairly regular basis for daily viewing from Freeview/Sky boxes or DVD's, so the comment about this being the oldest set is a bit of a stretch. I do agree that that is one nice looking set.

You can find out more about how the converter works by downloading the user manual from: http://converter.home.comcast.net/~converter/

Darryl
Thank you, Darryl! That's a very pleasant surprise to see. Much appreciated.
Regards and a tip o' the hat from Tom
__________________
Tom
Reply With Quote
Audiokarma
  #11  
Old 06-11-2008, 06:27 PM
NowhereMan 1966's Avatar
NowhereMan 1966 NowhereMan 1966 is offline
Slave to 1 Cat
 
Join Date: Dec 2004
Location: Tiltonsville, OH
Posts: 888
I've added a comment, if you see a reference to a 1982 Zenith and a 1964 Sony, it's me.
__________________
Mom (1938 - 2013) - RIP, I miss you
Spunky, (1999 - 2016) - RIP, pretty girl!
Rascal, (2007 - 2021) RIP, miss you very much
Reply With Quote
  #12  
Old 06-12-2008, 08:07 AM
Old1625's Avatar
Old1625 Old1625 is offline
VideoKarma Member
 
Join Date: Jan 2008
Location: Western MA
Posts: 426
Quote:
Originally Posted by roundscreen View Post
If you look at the wood grain on that set, It sorta does look like flames. That may be what they where thinking when they wrote flamed walnut. That is a good looking set but they should replace all the caps.
Ed
The set pictured reminds me a lot of an old Crosley console I had. I did have to replace just about all the capacitors before the set would work properly.
Reply With Quote
  #13  
Old 06-21-2008, 11:17 PM
cbenham's Avatar
cbenham cbenham is offline
VideoKarma Member
 
Join Date: May 2006
Posts: 471
Quote:
Originally Posted by ChrisW6ATV View Post
To add tube-type memory, add 256,000 (or would it be 256,000,000?) more tubes.
I read an article about an all-tube 'standards converter' built by the BBC in the late 1950s-early 60s to convert the French 819 line signals to 405 for Great Britain.

I don't mean the earlier ones from 1951 using a camera trained on a CRT either.

This converter, as best as I recall, was built in an entire 6 story building and did the conversion completely electronically, all with tubes! The airconditioning system drew more power than the tube electronics did.

I tried finding the article again [Wireless World?] but no luck. I did find information about a 'line store standards converter placed in operation at the BBC in 1963', but no description of it. If anyone has more info about this converter I'd really like to know.
Reply With Quote
Reply



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 03:12 PM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2026, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.