Karl,
Have a look for Z700U trigger tubes they have keep alive or priming
electrode and so don't suffer from slow ignition or need a light source.
Langrex have them in stock:
http://www.langrex.co.uk
Datasheet:
https://frank.pocnet.net/sheets/129/z/Z700U.pdf
Following your work with interest!
Grahame
On 29/07/2016 20:07, karl welty wrote:
I discovered (or re-discovered) the photosensitive aspect last summer,
and even tried to take advantage of that by building a box which
specifically subjects a ring oscillator to varying light levels as a
modulator. Yes the blue LED wash helps the neons in the rack maintain
a more steady pitch. Their susceptibility to light seems to decrease
as their pitch increases. Blue has the most effect, red the least.
Sadly this clip doesnt have sound, but it shows the rotator housing
for the light modulator.
https://www.youtube.com/watch?v=knCrDCTJCEQ
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