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513: Difference between revisions
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made of [[6CB6]] tubes. The 513 has no [[thermal cutoff]] and | made of [[6CB6]] tubes. The 513 has no [[thermal cutoff]] and | ||
uses [[selenium rectifiers]]. | uses [[selenium rectifiers]]. | ||
The total CRT acceleration voltage of the 513 is 12kV. | |||
The cathode is at -2kV and the anode is a +10kV. | |||
The HV circuit uses four [[5642]] rectifier tubes, | |||
one for the cathode voltage and three for the anode voltage. | |||
[[Stan Griffiths]] says, | [[Stan Griffiths]] says, | ||