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I had a Scott table top set using the Philips Protelgram system. Part of it was a hermetically sealed oil filled can containing the high voltage transformer, caps and three tubes in a tripler configuration that looked similar to those tubes although there was no marking on them. There was no HV from the system so I opened it up to find one tube bad. This system was driven by a 1KC oscillator and was noticeably noisy in operation. I used a modern SS tripler to get it working but eventually found an original replacement and got the set back to original form. Wish I still had it….
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01-10-2011, 11:04 AM
Hybrid Mode
