Frequently Asked Questions

Here are the answers to some of the more frequently asked questions regarding Direct Heating pages.

  • Subscription information for "MJ" magazine

  • More details about the 4P55

  • What is Sakuma's choice for tube sockets?

  • How may I buy the Sakuma's first book, "Remembrance of Sounds Past"?

  • More details about the sizes of the Kawaguchi cabinets and original center diffusors.

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  • Questions for VL variable inductors

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  • Could you tell me a source for the paper in oil capacitor?

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