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Item Ended
Item condition:
06 Jun, 2012 23:33:25 BST
£2.95 Standard Delivery | See details
Item location:
Horsham, West Sussex, United Kingdom


eBay item number:
Seller assumes all responsibility for this listing.
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Item specifics





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1 digit GN-4 Nixie Clock.  Newly designed!

Key  features:  

  • New 1 Digit GN-4 Nixie Clock on the market !
  • Fully assembled and tested Nixie Clock
  • One 18mm high digit, red, very fine coated tube.
    GN-4 Nixie Tube, made in England
  • Display proper number "5", not upside down "2"
  • Displays Time, Date and 2 Alarm clock sets
  • Special very slim design - nothing similar on market !
  • Accurate & calibrated time clock source from internal crystal
  • Circuit boards diameter is the same as tube's one !
  • Integrated 2 Alarm Clocks on so tiny boards
  • Easy control with only 1 (One) button
  • Uses standard 9 or 12V wall plug Power Supply
  • High efficiency integrated on board DC-DC converter
  • Extra flexibility for your case design - just drill
    3  holes in the clock case base for your clock installation

2 Main Modes: Display Mode and Setup mode

Display mode:
In the display Mode Clock indicates the following information:

Time  in format  HHMM ,
where HH are Hours (01-12 or 00-23), MM is Minutes (00-59)

in format HHMM, Red under tube light indicates Alarm 1,
where HH is Hours (01-12 or 00-23), MM is Minutes (00-59)

in format HHMM, Blue under tube light indicates Alarm 2,
where HH is for Hours (01-12 or 00-23), MM is for Minutes (00-59),

in format :    DDMMYY
where DD is for Day (1-31), MM is for Month(1-12), YY is for Year (00-99)

Setup Mode
Setup mode is for changing configurable parameters, allowing:

Set current Time
Set Alarm1 time, switch it on/off
Set Alarm2 time, switch it on/off
Set Date
Set 12 or 24 Time Display mode




Push on the picture to watch movie:

Newly designed GN-4  Nixie Tube Clock for your attention !

  • PUSH on the above picture to watch short movie how 1 digit clock displays time. Easy!
  • Ideal gift -  Newly designed GN-4 Nixie tube Clock - just arrived on the market !
  • Unique slim design - there is nothing similar on market yet
    Circuit boards diameter is the same as tube's one -
    just make 30mm hole for whole clock installation !

  • Based on GN-4 stylish, round  Nixie tube, made in England.
    GN-4 Nixie tube is INCLUDED

  • This slim, thin design allows to use this clock with wide range of case designs
    - just needs minimum 32mm deep hole in stone, plastic,  metal, wood case
       in virtually any shape!

  • Reliable, simple to connect and easy to use Clock!
  • High efficiency and low power consumption for energy saving
  • Use it as a Clock on your office table or use it as Alarm Clock to wake you up
  • Convenient  Time and Date display reading
  • Easy control with only 1 buttons. You will wonder how easy to set up time and alarms on your clock
    (no hundreds of pages User Manual to read, no remote control is required)
  • Over current and mixed polarity protection.
  • Leap Year automatic date calculation
  • Even tube reliability is high, it's very easy to replace it (no soldering is required)
  • Optional Backup battery to keep Clock running in case of power failure.


Specification & recommendation

  • It's fully assembled working  1 digits GN-4 Nixie tube  Clock, giving you chance to concentrate your efforts on the case design!
    Please send me your complete Clock picture,
    so I can put it into my Customer's clock picture gallery on my WEB page.
  • Clock works  from 9 to 14V DC, but 9 or 12V supply is recommended  choice.
  • Power consumption:
    0.63W (average 70mA@9V, max 120mA@9V) from wall plug power supply (digit to display)
    2.3mW (0.75mA@3V) from backup battery ( 3V CR2032, optional).
  • Internal buzzer generates simple one tone and  pause sound in Alarm1 or Alarm2 events. It will last for 1 minute, but could be shut off by pressing the button.
  • Frequency Test Mode can be activated to easily check and adjust clock frequency. In this mode Clock does not display or keep time and date, for 3 seconds it  displays 0200, which means  200KHz, than display switches off and  frequency check signal  is activated on the dedicated output pin. Use it to check it, if you have calibrated precision frequency meter or use this signal for your calibration purposes.
  • 1 year full warranty.

  • Digit height  - 18mm
  • PCB boards size  -  diameter 30mm
  • GN-4 Nixie clock, including GN-4 tube  dia=30mm  height=71mm (requires an extra 10-15mm in case you locate power connector in the clock hole cylinder)
Latest Documentation

  • The latest User Manual is available to download  from 

  • Please feel free to ask me any questions regarding this Clock. I'll do my best to respond to you within 12 hours.
  • Your design or new function suggestions, improvement are very welcome and will be considered ASAP.
Notice & warning

  • This clock is designed for inside use only. Do not use this Clock outdoor under any circumstances.
  • Some internal components are under High Voltage, before handling or maintenance work,
    be sure that it's switched off.
  • I do not accept any liability  may cause during improper or careless use of this Clock.
  • Due to high voltage on the board, do not use this clock in bathroom, under rain or in the wet and/or dusty conditions.
  • Due to constant improvement, your clock design could be slightly different from the described above or shown on the pictures, but technical parameters and functionality will be the same or better than stated above.
For your information

  • Please look at my other items, which I developed for you!
  • Please add my WEB site to your favourites list, as more items will  come  soon.
  • Digital electronics design is my speciality. Please feel free to contact me if you have an idea you want to discuss or if you need to develop electronic device.
When you buy it, following items are included/excluded from this sale:

  • Fully assembled working GN-4 Nixie Clock.
    To make Clock functional,  only Power Adapter is needed. No power supply is included in this sale.
    Power Supply  is available at extra £7-00 GBP for UK, Europe or USA Customers only.
  • Internal synch clock will be calibrated to get the best time accuracy.
  • Electronic version of User Manual with detail description how to control your Nixie Clock is always
    available to download from out web site

  • First Class Signed For Royal Mail delivery. Just small extra delivery charge to post it to Europe or to the USA, Canada.
  • Your Clock will be fully tested, calibrated and well packed  before I dispatched to you.
  • I'll dispatch  your Clock on the next working day after I receive your payment.
Picture gallery

Please, click on the picture to enlarge it (opens in new window).

Displays 2  for hour tens - >   Displays 2  for hour ones - >   Displays 5 for minute tens - >   Displays 6 for minute ones- >



Business seller information


Returns policy

Return policy details
Please return it within 14 days and I am happy to refund your money (except delivery charges, sorry). Items should be not damaged, soldered or modified and returned well packaged.
Most Buy It Now purchases are protected by the Distance Selling Regulations, which allow you to cancel the purchase within 14 working days after the day you receive the item. Find out more about your rights as a buyer - opens in a new window or tab and exceptions - opens in a new window or tab.

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