Thread: Got a B&K 467
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Old 06-06-2009, 06:19 PM
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David Roper David Roper is offline
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Not exactly an oddball, but it is an electrostatic focus tube. So whereas 10BP4, 12LP4, 17CP4, 21AWP4 etc use only pins 1,2, 10, 11 & 12, the 21YP4 and many others also have a pin 6.
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