(NOS?) XM1000s for sale

[Oskar]

https://www.ebay.de/itm/357717828612

https://www.ebay.de/itm/357732887139

Not my auctions

[Robert]

I’ve got the IEEE version

Thanks

Rob

On 12 Oct 2025, at 17:47, 'Oskar' via neonixie-l <neoni...@googlegroups.com> wrote:

https://www.ebay.de/itm/357717828612

https://www.ebay.de/itm/357732887139

Not my auctions

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[bogdan paduraru]

Have any photos of the IEE version in action?

On 12 Oct 2025, at 20:04, Robert <robnor...@gmail.com> wrote:

I’ve got the IEEE version

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[Robert]

No unfortunately 

Thanks

Rob

On 12 Oct 2025, at 18:51, 'bogdan paduraru' via neonixie-l <neoni...@googlegroups.com> wrote:



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[Benjamin Bauer]

I have a XM1000 from Telefunken but I don't know If I should sell it.

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[bogdan paduraru]

I have a testing module for the xm1000 

If you " throw it" across Atlantic , I might be able to test it for you  ☺️

On 12 Oct 2025, at 20:55, Robert <robnor...@gmail.com> wrote:

No unfortunately 

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[Dekatron42]

Is it a home-built testing unit or something that Telefunke/IEE designed?

I had a look at some photos Robert sent me and found that the circuit board consists of two (2) Fairchild 9112(59) "High Voltage Hex Inverter", one Fairchild 9301(59) "MSI 1 of 10 Decoder" and the SN7475N "4-BIT BISTABLE LATCHES" and some resistors and possibly a 5.1V Zener to supply the SN7475N and Fairchild 9301 with 5V as the two 9112 uses somewhere between 12-20V to interface to the NIMO.

/Martin

[bogdan paduraru]







Actually I got it from Udo Radke, german collector, his (homemade)design...I wish I had one from TFK or IEE..

I asked in the past for some good photos of that board too... it would be nice to replicate it

On 12 Oct 2025, at 22:38, Dekatron42 <martin....@gmail.com> wrote:



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[Dekatron42]

You can still buy 9112 and 9301 on eBay but using modern TTL like 7406 (30V Open collector inverter) with a 12k pullup to +12V on the output (like the construction of the 9112) with a 7442 would probably work just as well.

/Martin

[bogdan paduraru]



Thanks Martin , will consider the information below.

Robert please let us know if Patrick provided any other information/ documentation when you got the module, or maybe you have managed to track any information regarding the purpose of that module

Thanks in advance

On 13 Oct 2025, at 19:15, Dekatron42 <martin....@gmail.com> wrote:



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[Dekatron42]

The module is almost identical to the module described in the Catalog No. 808 for the round Nimo, the difference being that it has the extra SN7475N "latch", most probably used for multiplexed driving. And if you squint with your eyes you can make out three Fairchild IC's with 9112 and 9301 just visible.

/Martin