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30L-1 Performance and Reliability Improvement

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Tom W8JI

RF section modification of Collins 30L1 amplifier to use 2X 572B tubes. These fully reversible modifications result in a higher duty cycle and muchimproved reliability.

posted by oojolinooog


AL811 AL811H Meter Switch
AL811 AL811H Meter Switch
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Collins 30l1 Repair And Modifications, Harbach Filter Cap Board 572b Power Test
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COLLINS 30L1 Upgrade / RebuildPart 1 W6BDD
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811 Tube History including 811A 572B
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572b tube test
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Collins 30l1 Repair, Modifications, Gas Discharge Tubes 572b Tubes
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