On Aug 20, 8:13 am, Jon Jackson jondad...@gmail.com wrote:
Does anyone still have this document available or a link to it? I have
some IV-4s as well as IV-17s to use in a 4play display.
I got a question off-list which I figured would be useful to answer
here. The Elektronika 7-06 / 7-06K
On Monday, August 20, 2012 11:05:15 PM UTC+1, Terry Kennedy wrote:
On Aug 20, 8:13 am, Jon Jackson jondad...@gmail.com wrote:
Does anyone still have this document available or a link to it? I have
some IV-4s as well as IV-17s to use in a 4play display.
I've put a copy at:
On Monday, November 21, 2011 12:51:05 AM UTC-8, fixitsan wrote:
The 1000 hours lifetime is hopefully a misprint, there shouldn't be
that much difference in the build to shorten it by 9000 hours and why
continue to build a vastly inferior tube when you have a functionally
identical
On Sunday, November 20, 2011 2:43:40 PM UTC-8, fixitsan wrote:
I've just had a look at all of the types of IV4 and IV17 tubes in my
collection to try to establish what, if any, are the main differences.
Due to the high res images producing a large file size I couldn't
upload the document
On Aug 21, 2:01 pm, figureloop cr...@sbcglobal.net wrote:
Thus, it is entirely possible that causes purely political or otherwise
unknown and about which it is difficult to speculate account for the
existence and simultaneous production of these nearly identical tubes.
That's actually a
On 8/21/12 11:01 AM, figureloop wrote:
Thus, it is entirely possible that causes purely political or otherwise
unknown and about which it is difficult to speculate account for the
existence and simultaneous production of these nearly identical tubes.
It's not just the Soviet Union where things
Thanks, Terry, for posting the file.
On Tue, Aug 21, 2012 at 1:23 PM, David Forbes dfor...@dakotacom.net wrote:
On 8/21/12 11:01 AM, figureloop wrote:
Thus, it is entirely possible that causes purely political or otherwise
unknown and about which it is difficult to speculate account for the
On 12-08-21 03:23 PM, David Forbes wrote:
I dutifully helped him disassemble the guns and tried to mate the orange
left side with the green right side. However, they wouldn't fit.
It turns out that the company had used two entirely different molds,
Explain that, O masters of mass production!
On Sunday, November 20, 2011 3:43:40 PM UTC-7, fixitsan wrote:
I've just had a look at all of the types of IV4 and IV17 tubes in my
collection to try to establish what, if any, are the main differences.
Due to the high res images producing a large file size I couldn't
upload the document
On Aug 20, 8:13 am, Jon Jackson jondad...@gmail.com wrote:
Does anyone still have this document available or a link to it? I have
some IV-4s as well as IV-17s to use in a 4play display.
I've put a copy at: http://www.tmk.com/transient/IV17-IV4_comparison.doc
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One point to consider would be how the manufacturer defines lifetime,
and what this means statistically.
This may explain the discrepancies in the lifetimes stated.
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What I would really like to get is the IV-5. Like the IV-4 and IV-17,
but front view.
On Nov 22, 6:48 am, fixitsan chefin...@gmail.com wrote:
So we have 25V IV4's and 25V IV17's and then also 50V IV4's.
From experience, they all run fine at 25V non-multiplexed and when
multplexing only 30-35V
According to another manual (Vukolov) both have a life expectancy of
3,000 hours, there are small differences regarding filament voltages,
but the most important one I see is that the grid and anode voltages
are specified at 50V for the IV-4 and 25V for the IV-17.
Gaston
On Nov 21, 5:51 am,
It seems an extreme way of expanding your product line though how
these things were arranged when the factory was probably just told to
make xx000's a year I don't know.
Would have been a lot more useful if they'd used the materials to make
bucketloads if IV-2s though, I have yet to find even
Thanks to John R for pointing out the last link wasn't working for
anyone else except me.
The file should be available from the following
http://www.filefactory.com/file/cf22feb/n/IV17-IV4_comparison.doc
http://www.freefilehosting.net/iv17-iv4comparison
Chris
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