
May 30th 08, 11:14 AM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
The most common cause of valve amp rustling is valve amp rustlers. They are the scum of the earth and hanging is too good for them. Keith
http://www.tubethief.com/
They're everywhere, dude,..........
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May 30th 08, 12:00 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
In article , keithr
wrote:
"Fleetie" wrote in message
...
Hi.
The most common cause of valve amp rustling is valve amp rustlers. They
are the scum of the earth and hanging is too good for them.
They have been around for some time. When I were a lad our TV went wrong,
and my parents summoned a 'repair man'. He took the set away to examine.
After some days had passed we started asking what progress had been made.
After some discussions about his doing nowt, the TV was returned,
unrepaired. However instead of exhibiting the original fault it now showed
no picture at all, and no sound.
We asked what had gone wrong and why it had got worse. The 'repair man'
insisted it had been like that when he took it away.
Out of curiosity I opened up the set. To discover one valve was now
missing. When asked, the 'repair man' denied he'd removed it. So it must
have been a valve rustler ambushing his van. He was unable to explain why
he'd not noticed it being absent, though. So perhaps he was in cahoots with
the rustlers! :-)
A different 'repair man' fixed the set easily (without taking it away), and
confirmed it would never have worked at all without the missing valve.
I assume such incidents are rare these days. Fewer 'westerns' on TV, so
maybe the rustlers stay at home in the USA. ;-
Slainte,
Jim
--
Change 'noise' to 'jcgl' if you wish to email me.
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
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May 30th 08, 12:12 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
"keithr"
The most common cause of valve amp rustling is valve amp rustlers. They
are the scum of the earth and hanging is too good for them.
** LOL !!
Just waiting for someone to post that !!
...... Phil
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May 30th 08, 02:07 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
Jim Lesurf said:
assume such incidents are rare these days. Fewer 'westerns' on TV, so
maybe the rustlers stay at home in the USA. ;-
A word to the wise stranger, look for a mean bunch o varmints led by
an low down ornery cuss name o Russell
--
Ken
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May 30th 08, 04:04 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
In article ,
Jim Lesurf wrote:
Out of curiosity I opened up the set. To discover one valve was now
missing. When asked, the 'repair man' denied he'd removed it. So it must
have been a valve rustler ambushing his van. He was unable to explain
why he'd not noticed it being absent, though. So perhaps he was in
cahoots with the rustlers! :-)
A different 'repair man' fixed the set easily (without taking it away),
and confirmed it would never have worked at all without the missing
valve.
Pretty well all those old TVs had series heaters - so even if the valve
wasn't essential - unlikely - non of the others would work either.
My father bought our first TV from a neighbour in the trade. RGD. Cost the
equivalent of a very posh plasma these days. Which went wrong
frequently. Several new tubes fitted over its life. We got a new set when
ITV arrived, and I got to play with the old one. The tube was a re-gunned
one. But charged for as new.
--
*When a clock is hungry it goes back four seconds*
Dave Plowman London SW
To e-mail, change noise into sound.
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May 30th 08, 04:22 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
"Dave Plowman (News)" wrote in message
...
Pretty well all those old TVs had series heaters - so even if the valve
wasn't essential - unlikely - non of the others would work either.
My father bought our first TV from a neighbour in the trade. RGD. Cost the
equivalent of a very posh plasma these days. Which went wrong
frequently. Several new tubes fitted over its life. We got a new set when
ITV arrived, and I got to play with the old one. The tube was a re-gunned
one. But charged for as new.
Depending on when it was made your RGD may very well not have had series
heaters. The first set with no mains transformer and series heaters was the
Pye B18T of 1948, but other manufacturers, particularly up-market brands
like RGD, continued to fit mains transformers for several years after that;
though that didn't necessarily mean that the chassis was isolated from the
mains. Quite a few sets made in the early 1950s had a heater transformer,
and parallel fed heaters, but obtained the HT by direct rectification of the
mains. Sometimes the primary of the heater transformer acted as an
autotransformer for the HT thus avoiding the use of the tapped dropper
resistor otherwise necessary to cope with different mains voltages.
Some sets were really weird, with valves designed for series use, and thus
with non-standard heater voltages, fed from special windings on the
transformer. Sometimes individually, sometimes in short chains.
David.
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May 30th 08, 10:27 PM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
Dave Plowman (News) wrote:
In article ,
Jim Lesurf wrote:
Out of curiosity I opened up the set. To discover one valve was now
missing. When asked, the 'repair man' denied he'd removed it. So it must
have been a valve rustler ambushing his van. He was unable to explain
why he'd not noticed it being absent, though. So perhaps he was in
cahoots with the rustlers! :-)
A different 'repair man' fixed the set easily (without taking it away),
and confirmed it would never have worked at all without the missing
valve.
Pretty well all those old TVs had series heaters - so even if the valve
wasn't essential - unlikely - non of the others would work either.
My father bought our first TV from a neighbour in the trade. RGD. Cost the
equivalent of a very posh plasma these days. Which went wrong
frequently. Several new tubes fitted over its life. We got a new set when
ITV arrived, and I got to play with the old one. The tube was a re-gunned
one. But charged for as new.
I can't help but smile at this, one of the strongest memories I had as a
kid was the TV repair man coming to fix the ailing set, and he always
reminded me of a doctor, with a large leather case full of exotic secret
things. The family would await the result of a few minutes delving into
the back of the box with trepidation, hoping the problem would not mean
"it needs to go back to the shop".
From that point, if someone had asked me what I wanted to be when I
grew up, I would have said a TV repair man, instead of the normal train
driver or fighter pilot.
And Pratical Television at about that time had a wonderfull (or so it
seemed) regular spot about a repair man and his young apprentice, each
month solving some electrical problem, and imparting a bit more theory.
Sort of a electronic "Mr Crabtree".
I know that all of that is why I enjoy myself playing with valves now,
but given that, as it happens, I am messing about with DAC's and Xilix
CPLDs at the moment, ho hum.
--
Nick
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May 31st 08, 08:11 AM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
"Nick Gorham" wrote in message
...
I can't help but smile at this, one of the strongest memories I had as a
kid was the TV repair man coming to fix the ailing set, and he always
reminded me of a doctor, with a large leather case full of exotic secret
things. The family would await the result of a few minutes delving into
the back of the box with trepidation, hoping the problem would not mean
"it needs to go back to the shop".
I missed that, as my Dad (a radio engineer with the GPO) fixed our pre-war
Murphy A56V, and my grandmother's Pye V4, himself. The Pye I still have, the
Murphy, unfortunately, was scrapped sometime around 1960 (though I still
have the service manual)
And Pratical Television at about that time had a wonderfull (or so it
seemed) regular spot about a repair man and his young apprentice, each
month solving some electrical problem, and imparting a bit more theory.
Sort of a electronic "Mr Crabtree".
When was that?, I have most issues of PT from about 1964 onwards (and some
from 1959 on) and I don't recognise that. OTOH "Radio Constructor" magazine
had an occasional spot for "Smithy" the serviceman and "Dick", his
apprentice in the mid to late 1950s.
David.
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May 31st 08, 10:03 AM
posted to uk.rec.audio
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Common Cause For Valve Amp "Rustling"?
David Looser wrote:
"Nick Gorham" wrote in message
...
I can't help but smile at this, one of the strongest memories I had as a
kid was the TV repair man coming to fix the ailing set, and he always
reminded me of a doctor, with a large leather case full of exotic secret
things. The family would await the result of a few minutes delving into
the back of the box with trepidation, hoping the problem would not mean
"it needs to go back to the shop".
I missed that, as my Dad (a radio engineer with the GPO) fixed our pre-war
Murphy A56V, and my grandmother's Pye V4, himself. The Pye I still have, the
Murphy, unfortunately, was scrapped sometime around 1960 (though I still
have the service manual)
And Pratical Television at about that time had a wonderfull (or so it
seemed) regular spot about a repair man and his young apprentice, each
month solving some electrical problem, and imparting a bit more theory.
Sort of a electronic "Mr Crabtree".
When was that?, I have most issues of PT from about 1964 onwards (and some
from 1959 on) and I don't recognise that. OTOH "Radio Constructor" magazine
had an occasional spot for "Smithy" the serviceman and "Dick", his
apprentice in the mid to late 1950s.
David.
It must have been late 60's early 70's, maybe they rerun the articles
from radio constructor? Or maybe my memory is playing tricks. I
certainly wouldn't have read them in the late 50's
I am sure looking at this it was the same thing
http://vintageradio.me.uk/radconnav/iywindex.htm
I am starting to doubt myself now, maybe I had the wrong mag...
--
Nick
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