I have posted the URL for LND inc. on the "Interesting Links" forum.
The LND #7311 pancake GM tube is incredible and cheap, for the price. ($75.00)
On their site, they have the data sheet and recommended front end circuit. You'll still need an amp, but a normal audio amp will be fine. I have purchased from them numerous times in the past.
Spend some time there looking over th' goodies.
If you pick up the pancake, be real careful for broken mica windows are not covered under any form of warranty and a rifle shot compression wave near the item will over pressure the window causing it to collapse. Given easy care and good treatment, it will be one of your most sensitive detectors.
Note* Those with geiger counters which have old 1B85 beta only detectors, which have adjustable voltage detector supplies or who have fully equipped NIM bins can readily use the alpha-beta-gamma pancake detector with little adaptation.
Richard Hull
LND pancake GM tube
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Richard Hull
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LND pancake GM tube
Progress may have been a good thing once, but it just went on too long. - Yogi Berra
Fusion is the energy of the future....and it always will be
The more complex the idea put forward by the poor amateur, the more likely it will never see embodiment
Fusion is the energy of the future....and it always will be
The more complex the idea put forward by the poor amateur, the more likely it will never see embodiment