6AU6: Difference between revisions

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The 6AU6 is used in the [[513]], [[561]], [[581]], [[585]] and others as an error amplifier, in the [[C | Type 53/54C]] plugin, and others.
The 6AU6 is used in the [[513]], [[561]], [[581]], [[585]] and others as an error amplifier, in the [[C | Type 53/54C]] plugin, and others.


The 6AU6A is an improved version for equipment with series-connected heaters that ha controlled warm-up and heater-to-cathode voltage rating increased to 200 V.  The 6AU6WA is a ruggedized version.
The 6AU6A is an improved version for equipment with series-connected heaters that has controlled warm-up and heater-to-cathode voltage rating increased to 200 V.  The 6AU6WA is a ruggedized version.


The 8425 (used in [[Q| Type Q ]]) is an improved successor version.
The 8425 (used in [[Q| Type Q ]]) is an improved successor version.
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