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Tube Substitution and Characteristics Guide
Currently the database includes substitutes for over seven thousand American and
European tubes; characteristic charts are slowly being added. Please feel free to
contact Nostalgia Air at Tubes@NostalgiaAir.org
regarding any corrections or additions to the
database. Significant effort has been made to insure the accuracy of this reference,
however Nostalgia Air assumes no liability for the results of using information contained herein.
© 1996-2004 Nostalgia Air