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kungs: 315B; Miniloktals

Martin Renz Ernst Erb Vincent de Franco Martin Bösch Bernhard Nagel Otmar Jung Heribert Jung Eilert Menke 
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Forum » Radios and other type of sets (Physics) etc. » MODELS DISPLAYED » kungs: 315B; Miniloktals
Konrad Birkner † 12.08.2014
Konrad Birkner † 12.08.2014
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Schem.: 700
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02.Sep.09 14:00

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The schematic notes the following tubes:
DK25 / DF25 / DBC25 (and DL21)

Comparing the pin allocation with data sources the different pin allocations are obvious.
DL21 is ok.
but there are discrepancies for
DK25: pin 5+6
DF25: pin 3+4
DBC25: pin 2+3

On the other hand the given allocations are matching exactly the related but not identical Mini-Loctals (we call them Miniloktals):


At Miniloktals the pins are positioned on a smaller circle of only 15 mm dia. (standard is 17.5 mm).
The center locking pin is also smaller than the standard one.