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Old June 3rd 12, 03:25 AM posted to rec.radio.amateur.homebrew
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Default Heathkit data updates?

Built a Heathkit tube tester in 1975; and had reason to use it the other
day.

Just wondering if there is any source for updated tube data since then?

--
"The whole aim of practical politics is to keep the populace alarmed-
and hence clamorous to be led to safety- by menacing it with an endless
series of hobgoblins, all of them imaginary. "--

H.L. Mencken

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Old June 3rd 12, 05:30 PM posted to rec.radio.amateur.homebrew
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Default Heathkit data updates?

On Sat, 2 Jun 2012, Padraigh ProAmerica wrote:

Built a Heathkit tube tester in 1975; and had reason to use it the other
day.

Just wondering if there is any source for updated tube data since then?

How many new tubes were released after 1975? Power tubes yes, but they
likely didn't fit the tester anyway. It was past the time of Nuvistors
and Compactrons, and the 12V tubes for use in cars. Yes, people still used
tubes in 1975, but they were fading (there were already articles about
solid state replacements for tubes by 1975) and not much was being made
with tubes.

Michael VE2BVW
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Old June 3rd 12, 11:12 PM posted to rec.radio.amateur.homebrew
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Default Heathkit data updates?

On 6-3-2012 16:30, Michael Black wrote:

How many new tubes were released after 1975? Power tubes yes, but they
likely didn't fit the tester anyway. It was past the time of Nuvistors
and Compactrons, and the 12V tubes for use in cars. Yes, people still
used tubes in 1975, but they were fading (there were already articles
about solid state replacements for tubes by 1975) and not much was being
made with tubes.

Michael VE2BVW


Funny this topic just popped up. I mentioned to one of our younger
techs at work (30 years old) that I was thinking of building a tube
radio receiver from scratch just a couple days ago. Maybe for the FM
broadcast band or maybe some amateur band and set it on the shelf over
my bench at work.

N0EDV

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Old June 4th 12, 03:28 AM posted to rec.radio.amateur.homebrew
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Default Heathkit data updates?

I have a 1975 version of the "RCA Receiving Tube Manual"; anything not
listed on the Heathkit list can probably be figured out from this.

BTW: there's a circuit included in the back for a FM tuner utilizing 3
tubes (two 6CW4 nuvistors and a 6KE8).

Have fun!

--
"The whole aim of practical politics is to keep the populace alarmed-
and hence clamorous to be led to safety- by menacing it with an endless
series of hobgoblins, all of them imaginary. "--

H.L. Mencken

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Old July 22nd 12, 02:22 PM posted to rec.radio.amateur.homebrew
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Default Heathkit data updates?

On Sunday, June 3, 2012 2:25:39 AM UTC, Padraigh ProAmerica wrote:
Built a Heathkit tube tester in 1975; and had reason to use it the other
day.

Just wondering if there is any source for updated tube data since then?

--
"The whole aim of practical politics is to keep the populace alarmed-
and hence clamorous to be led to safety- by menacing it with an endless
series of hobgoblins, all of them imaginary. "--

H.L. Mencken


1975 is probably fairly current as tube data goes.

Jimmie
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