Re: odd connectors on an 11801B
That is truly bizarre!? Hard to imagine why somebody would need, or think he would need, that many connectors!
Jim FordLaguna Hills, California, USA
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Jim Ford
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#207875
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Re: odd connectors on an 11801B
Like this: https://www.ebay.com/itm/404611781733
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anotheroz
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#207874
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Re: odd connectors on an 11801B
The listing has ended. I would like to have seen the unit.
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John Williams
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#207873
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odd connectors on an 11801B
Hi Folks,
I just noticed this unit on ebay. The front panel has a whole extra
array of connectors there.
https://www.ebay.com/itm/296917599623
Does anyone know what these were for?
-Evan
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evan foss
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#207872
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Re: DSA 602, Still Relevant Today? Untimely response FWIW
Hi Guys!
I use to say that my books activity is 100% non-profit, but I was wrong.
When you are so kind to appreciate my work I get my salary!
Thanks and best wishes
(I will post soon a draft of
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Gianni Becattini
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#207871
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9 photos uploaded
#photo-notice
The following photos have been uploaded to the JFETs substitution for 12au6s in 575 curve tracer ( /g/TekScopes/album?id=299769 ) photo album of the [email protected] group.
*
By
Group Notification <noreply@...>
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#207870
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Re: Quarter-turn panel fasteners
Got your message Richard. I just need to confirm the size with you and find a padded envelope to mail them in.
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John Williams
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#207869
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Re: 7904 strange problems
The crashing is due to some kind of instability when the +5 VL has no load. If I add enough constant load on that supply, the off condition doesn't cause any trouble. It's not something shorting out,
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ed breya
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#207868
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Re: probes for vacuum tubes scopes
Probing the AE-35 unit in 2001 A space odyssey
Perhaps Tektronix P6006, Kubrick was a stickler for accuracy....
http://www.2001spacesuit.com/Images/AE35-1.jpg
Jon
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Jean-Paul
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#207867
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Re: probes for vacuum tubes scopes
Re Probes, cable legnth....
The P600x had relatively thick cables, and massive screw on probe tips, hats.
Meant for tube sockets and B+ voltages.
Compensation was by rotating the probe body.
The
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Jean-Paul
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#207866
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Re: probes for vacuum tubes scopes
Photo of my 536 in the photo library
/g/TekScopes/photo/299466/3866580?p=Created%2C%2C%2C20%2C2%2C0%2C0
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John Williams
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#207865
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Re: probes for vacuum tubes scopes
Hi Jim. Yes the 536 should be very useful to you. However, the problem will be where to get one. It is arguably one of the rarest of Tek models. And no, you can¡¯t have mine! lol. However you can use
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John Williams
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#207864
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Re: probes for vacuum tubes scopes
Thanks, John Kolb.? I do have a 5103N-D10 (working properly) and a 5113 parts mule, with a total of twelve 5000 series plug-ins in various states of operation.? Also a 7904 (focus problem - to be
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Jim Ford
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#207863
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Re: Tek 485 Help
Greg,
I also take each knob off to oil the set screw and shafts. This makes it smoother to move and prevents freezing due to electrolysis. I will put a bit of oil on a flat blade screwdriver then put
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Mark Vincent
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#207862
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Re: Tek 485 Help
Mark,
Thanks for the reply. I also posted this on the TekScopes2 group and have many replies there. Here is a link to that thread:
/g/TekScopes2/message/17100
With all the
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sbasprez
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#207861
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Re: probes for vacuum tubes scopes
Rebonjour
Probes, as mentioned the P600x series was used at the time.
The later probe's had wider BW but lower compensation C range.
A point of history...Stanley Kubrick's 2001: A Space Odyssey
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Jean-Paul
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#207860
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Re: probes for vacuum tubes scopes
¡°According to George Lydeck on this group, the Tek 535A is the best scope ever for tube audio work.¡±
Did I really say that?
I think what I meant to say is a good tube oscilloscope, like the
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Glydeck
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#207859
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Re: probes for vacuum tubes scopes
That's a fine looking 10 x 10 equal grid on the CRT face of the 536 on tekwiki.
I see how that would be the analog purist's favorite with 11 MHz bandwidth.
Much finer than a 602 monitor...and with
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John Griessen
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#207858
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Re: Tek 485 Help
As an EE, you may have been taught the term like I did in school 'it's broke'. The class and instructor laughed. A bit of New Year's humor.
Likely you have at least one d-c restorer diode that is
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Mark Vincent
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#207857
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Re: Quarter-turn panel fasteners
Hello John, fabulous offer - have messaged you.
(I haven't seen a copy of my sent message in my email client, so not sure where that may have gone?).
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Richard Kelly
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#207856
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