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Audio Glossary |
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Copyright © 1999 GlassWare |
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The plate resistance of a vacuum tube. It is the impedance that a tube offers a change in plate voltage. It is equal to mu/gm and it is not as constant as we might like, varying as it does with voltage and current. A 12AX7 has a rp of 62 k, whereas a 6DJ8, 3k. |
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