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Shortwave Transmitter Tubes (Popularity:  )
http://www.tube.be
Guide to tubes used in shortwave broadcast transmitters with links to and information about manufacturers, rebuilders and suppliers of such tubes.
Category:
Recreation - Radio - Amateur - Boatanchors
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Mostly Audio (Popularity: )
http://www.mostlyaudio.com
Features the build and review of an AudioNote PQ Signature Kit1 300B SE valve amplifier with TRANS300 c-core output transformers. Also includes general reviews, articles about build techniques, etc. More projects to come.
Category:
Recreation - Audio - Do-It-Yourself
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