Nixie-based tube clocks

Torsten Bock just sent me some cool photos of a design that he has been working on.  The electronics are based on the kit from Claus Urbachand the enclosure is based on a modified Mac Mini hard drive enclosure.  Clearly Torsten is a fan of Apple products and the clock is named after Steve Jobs.  The front and back were fabricated by Torsten our of acrylic and metal.  He sent in a lot of photos so be sure to check out the read more link below.


RFT Z5700M Nixie Clock

RFT Z5700M Nixie Clock

RFT Z5700M Nixie Clock

RFT Z5700M Nixie Clock

RFT Z5700M Nixie Clock


B7971 Six Digit Nixie Clock has a new article up on "Modular" Nixie clock.  All I have to say is that this thing is amazing.  It is a direct drive, six digit B7971 nixie clock with little neon light colon indicators.  Other features worth noting: user input is via a rotary encoder, the brightness of the display is adjusted automatically based on ambient light, and there are several fonts to choose from.  Carl Ott of New York designed the electronics and wrote the software.  Michael had the PCB’s fabricated and assembeled the clock.

Be sure to check out Michael's site - he has several build photos worth looking at.




Okay, folks, this is the moment you were waiting for.  I just got word from Jürgen that the remaining pieces of the enclosure are now in stock and ready for sale.  (Actually, he told me a few hours ago but I was at work....)

top view manuela nixie clock


The base price, without tubes and an enclosure is 110 EUR

The desktop enclosure is 25 EUR

The tubes cost:

  • IN-12 clear: 10 EUR
  • IN-12 coated: 15 EUR
  • ZM1100 AEG clear: 30 EUR
  • ZM1100 TELEFUNKEN orange coated: 30 EUR
  • ZM1180 SIEMENS red coated: 50 EUR

Shipping to the US is 20 EUR

Assembly is free for the first few customers :)



the color cycling RBG combination is standard but you may also order red, orange, green, cyan, blue, pink, warm white (gold), cool white.




top view manuela nixie clock

top view manuela nixie clock

top view manuela nixie clock




RULES: If you buy one, you have to post photos in the forum :)


Please Help! is working on an updated Manuela design and this new clock will allow the user to select from a variety of top-view tubes.  Jürgen has been working hard on the design and he has a question for the community.  One of the options is a set of six SIEMENS red coated nixie tubes.  Alternatively, Jürgen can coat much cheaper IN-12 tubes and achieve a similar look.  Which option do you prefer:

SIEMENS tube pictured

Option 1 - a SIEMENS factory-coated red tube with a correct #5 for 50 EUR

Option 2 - a red coated IN-15 for 15 EUR with an inverted #5


Tentative Price

The clock electronics (unassembled) will cost 110 EUR:

The enclosure will cost 25 EUR

The tubes will cost:

  • A set of IN-12 tubes (clear): 10 EUR
  • A set of IN-12 tubes (coloured, If someone like it): 15 EUR
  • A set of ZM1100 tubes (AEG, clear): 30 EUR
  • A set of ZM1100 tubes (TELEFUNKEN, orange coated): 30 EUR
  • A set of ZM1180 tubes (SIEMENS, red coated): 50 EUR

And assembly (optional) will cost 25 EUR



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