Recent Changes for "Changing vacuum tubes" - Obsolete Skills Wiki

Changing vacuum tubes

2008-02-20 22:46:22

Differences for Changing vacuum tubes

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- * A tube tester - http://www.retroaudiolab.com/pictures/tubechkr1.JPG	+ * A tube tester + + http://www.retroaudiolab.com/pictures/tubechkr1.JPG

Changing vacuum tubes

2008-02-20 22:44:58

Differences for Changing vacuum tubes

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	+ Also testing them. Tubes could go bad in ways other than the filament failing. In the days of tube TV sets, electronics stores + had "tube testers". Before you called the tv repairman, you could remove all the tubes, carefully noting (by number) which tube + went in which socket, take them all down to the store, and run them through the tester, which had a reference guide and a bunch + of dials to set based on the tube number. It would then tell you whether the tube passed or failed. You then went up to the + counter, bought replacements for the ones that failed, took all the tubes home, put them back in their correct sockets, and + maybe the tv worked again. +
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	+ * A tube tester - http://www.retroaudiolab.com/pictures/tubechkr1.JPG +
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- ''2008-02-20 21:26:40'' [[nbsp]] Not only changing them - testing them. Tubes could go bad in ways other than the filament failing. In the days of tube TV sets, electronics stores had "tube testers". Before you called the tv repairman, you could remove all the tubes, carefully noting (by number) which tube went in which socket, take them all down to the store, and run them through the tester, which had a reference guide and a bunch of dials to set based on the tube number. It would then tell you whether the tube passed or failed. You then went up to the counter, bought replacements for the ones that failed, took all the tubes home, put them back in their correct sockets, and maybe the tv worked again. --209.204.181.86

Changing vacuum tubes

2008-02-20 21:26:40

Comment added.

Differences for Changing vacuum tubes

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	+ ------ + ''2008-02-20 21:26:40'' [[nbsp]] Not only changing them - testing them. Tubes could go bad in ways other than the filament failing. In the days of tube TV sets, electronics stores had "tube testers". Before you called the tv repairman, you could remove all the tubes, carefully noting (by number) which tube went in which socket, take them all down to the store, and run them through the tester, which had a reference guide and a bunch of dials to set based on the tube number. It would then tell you whether the tube passed or failed. You then went up to the counter, bought replacements for the ones that failed, took all the tubes home, put them back in their correct sockets, and maybe the tv worked again. --209.204.181.86

Changing vacuum tubes

2008-02-20 16:44:00

Differences for Changing vacuum tubes

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- \|\| When is this skill still useful? \|\|	+ This is still useful for guitarists repairing a blown tube in their amp.

Changing vacuum tubes

JasonAller — 2008-02-17 21:59:36

Differences for Changing vacuum tubes

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	+ \|\|<bgcolor='#E0E0FF'>'''Field'''\|\| + \|\| Electronics? \|\| + \|\|<bgcolor='#E0E0FF'>'''Went Obsolete'''\|\| + \|\| When did this skill become obsolete? \|\| + \|\|<bgcolor='#E0E0FF'>'''Made Obsolete By'''\|\| + \|\| Transistors \|\| + \|\|<bgcolor='#E0E0FF'>'''Knowledge Assumed'''\|\| + \|\| What does the reader need to know to use this guide? \|\| + \|\|<bgcolor='#E0E0FF'>'''When useful'''\|\| + \|\| When is this skill still useful? \|\| + + Then, describe the skill! Tell us how to perform the task. Photos really help! + + [[Include(Seed)]] + + [[Include(PhotoRequest)]] + + == Other references == + + * [wiki:wikipedia:"Vacuum_tube" Wikipedia article about Vacuum tubes] + + [[Comments]]