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Man, who knew?
"Suddenly, I'm not half the man I used to be. 'Cause now I'm an amputee" J. Lennon
Follow Ups:
First, have a spare set of tubes on hand. Sooner or later you'll need 'em, so just do it. Also have B+ fuses on hand - when a tube fails, you'll need it. It's also a good idea to have spare cathode resistors on hand (frequently a big 10-ohm connected to the cathode pin) which can fail if the fuse doesn't open fast enough.
Output (power) tubes I've had have all sounded pretty good right up until they fail outright, or until they will no longer let you set correct bias levels. I've had some bad out of the box, others fail in a week, and one set of KT-90s that put on close to 10k hours.
Small signal tubes tend to get noisy with age. If you're starting to hear hiss levels increase, it's probably a good time to try new ones. Life spans are all over the place, but in circuits that don't run them too hard, they should give gears of good performance.
Finally, you can extend tube life with forced-air cooling. The fans from Antec, designed for computers are very close to silent. I use a couple of them on top of my preamp.
WW
"A man need merely light the filaments of his receiving set and the world's greatest artists will perform for him." Alfred N. Goldsmith, RCA, 1922
That sign is awesome I would kill to own that as I collect Disney stuff too. Any idea what year it's from?
A re-tubing is required when the performance of the device drops (i.e. lower level; excessive distortion). If it's an amp, then the power tubes usually wear out first. Followed by the rectifier tube (if applicable). Finally, the miniature preamp tubes.
Figure on the power tubes lasting about 1000-2000 hrs; rectifier maybe 2000-5000 hrs; preamp tubes can last up to 10,000 hrs.
That's why its good to have a checkup done on your equipment every 1000 hrs or so. You'll have to estimate the time elapsed by the amount of hours per week x 4 weeks x 12 months to get a yearly figure. Or rig an Elapsed Time meter to the system.
Firstly
Sylvania isn't being very smart in the ad. If you waited until your gear, or radio set, in those days, sounded like a duck, you waited way too long to get new tubes.
I guess I was not getting overly political.
And of course you would have to replace ALL of them. They sure knew how to sell tubes didn't they?
"Suddenly, I'm not half the man I used to be. 'Cause now I'm an amputee" J. Lennon
Could be it needs more break in? Do you think if i put in Russian tubes it will make my set sound like Popeye the sailor? cheers.
Edits: 06/02/17
...may make it sound like Boris Badenov.
no, seriously.
What;s wrong with that. I spent Saturday mornings as a youngin listening to them.
Rocky and Bullwinkle show, with their Russian arch enemies, is part of the reason we have an irrational fear of the Russians.
Edits: 06/03/17
I think it could be rational.
(Not to get political but.... I was just reading today about a super sensitive listening station we are installing on an Arctic Norwegian Island to monitor their Nuclear subs each has 12 ICBMs which can carry multiple warheads. To put it mildly the Russians are not happy. Prey Tell..)
Boris and Natasha came FROM the Russians, not the other way around.
Russians have been Paranoid since well before the 20th century, even.
Ever hear of the 'Mad Monk'? Not German or Italian, or even English.
Boris Badenov is of course a play on words from the other guy.....Czar Boris Godunov.
UFO Fans continue to believe in Metal Munching Moon Mice, here to eat ALL our TV antennas. OOOOPS! They've almost succeeded. We had to resort to CABLE.
Too much is never enough
It wouldn't have anything to do with the 45 year long cold war - no it was the cartoon - yeah!Certainly it wouldn't have anything to do with the SCHOOLS having us hide under our desks and in cement basements doing nuclear war drills.
And it surely wouldn't have anything to do with how teachers would explain the "blast radius" (growing up with NYC in eyesight) and how "we're at the you'll survive the initial blast but die horribly from radiation burns" point.
NOooooo, it was that cartoon that did it to us kids!!!!!
And BTW as a kid we didn't hate Russians. We knew they were torturing their own kids doing the same thing over there. Maybe we should have sent them those cartoons in hopes to give them something to laugh at too.
https://www.youtube.com/watch?v=IKqXu-5jw60
Edits: 06/04/17 06/04/17 06/04/17
Exactly.
As I say in another post, Rocky is an EFFECT. Not a CAUSE.
Cold war had only been going on maybe 15 years before Rocky.
By than? They had A-Bomb and we had Duck and Cover.
They had Kruschev and we had McCarthy.
They had Siberia and we had the Blacklist.
Too much is never enough
.My point was all the kids watching the rocky and bullwinkle show are now grown ups who had their fears of russia ingrained in their formative years. Government sponsored brainwashing disguised as harmless childrens cartoon.
You mean Rasputin.
Rasputin, yes.
But don't forget the timeline here.
Russia had an Atomic Bomb and than came 'The Atomic Cafe'. See that if you get a chance.
It is a collection of 40s / 50s propaganda.
Rocky came along in about 1959 or so.
Joseph Mccarthy was Room Temp well before Rocky aired. And his blacklist lived on.
So no, Rocky as CAUSE? No. Rocky as EFFECT? Sure, I'll go for that.
Too much is never enough
Although, it was very Nazi like how the military industrial complex used the media and government to get super rich off of the "red menace".
I actually, now that I think about it, tend to feel that Rocky was a HEALTHY response to something the average / regular person could do NOTHING about.
Red Menace? Atomic War? Doomsday? Cold War? Hot War? Tepid War?
Let's at least get a laugh out of this stuff. And don't forget that the show was aimed at both Children, being a cartoon with 'funny' characters, AND adults with some amazing puns and what may be described as Adult Themes.
later? In the 60s you had 'Dr. Strangelove' and even ' Failsafe', 2 very differenct looks at what was then current events.
The Prisoner dealt with Totalitarian themes and free will.
I'm afraid I'm very serious about 'connections'. All this stuff IS connected and in obvious and less obvious ways.
Ike said it best and HERE we are today, STILL in the same grips.
Too much is never enough
It is amazing to me that our nation, supposedly the "light of democracy" is in some ways, a kind of sham democracy as the people are shamelessly and rather easily manipulated by the media. The control of the media is and has been by interests and money that abhors democracy.
It's all for sale.
From the Justice System to the Tax Code.
Want a place to start?
Join a group dedicated to ridding ourselves of Citizens United.
I link the wiki since I hope that is least likely to get people stirred up though that is EXACTLY what this country needs.
Too much is never enough
The Prisoner - I was book TWICE to go to Portmeirion Wales. My wife caught the flu both times the day before we were to leave.
As number 6 would say, "Be seeing you".
Threes the charm?
Might want to eventually try again and book with the Mistress while giving wife a day for shopping in London or Edinburgh?
I've got the complete box set of 'The Prisoner' including some stuff that was not aired.
Too much is never enough
Then the Russian gymnasts helped me get over it, once I hit puberty.
"Suddenly, I'm not half the man I used to be. 'Cause now I'm an amputee" J. Lennon
I thought Nadia Comaneche was the best.
"Suddenly, I'm not half the man I used to be. 'Cause now I'm an amputee" J. Lennon
I needed that laugh
"Suddenly, I'm not half the man I used to be. 'Cause now I'm an amputee" J. Lennon
Nah...I think it was stuff like Nikita K, banging his shoe on the podium. Then there was the Berlin Wall. Rocky and Bullwinkle had *NO* effect compared to stuff like that.
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
How long have you had the equipment?
with the current tubes?
Happy Listening
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