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In Reply to: Pentode/Triode Phase Inverters- Tube Rolling posted by sony6060 on September 5, 2014 at 06:30:53:
A NOS tube may last 20-30 years. Agreed not for new designs.
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- RE: Pentode/Triode Phase Inverters- Tube Rolling - sony6060 16:30:11 09/05/14 (0)