New Old Stock Vacuum Tubes (NOS)
Penta Laboratories maintains an extensive inventory of replacement vacuum tubes for equipment that dates back 75 years or more. We have over 6,000 different NOS part numbers in stock. Many of these are electron tubes that are new old stock, having never been used, and are provided with test reports.
Penta also prides itself in being able to locate hard to find vacuum tubes. This is only a partial listing of the new old stock electron tubes that Penta Laboratories carries. Please email or call to inquire on vacuum tubes not listed.
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