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Download and read our informative vacuum tube newsletter in .PDF format.

Fall 2011 Issue (48 KB)
Spring 2011 Issue (55KB)
Spring 2001 Issue (392KB)
Spring 2000 Issue (442KB)
Spring 1999 Issue (284KB)


If you'd like more information about Penta, check out our blog at pentavacuumtubes.blogspot.com.

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