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12B4: Difference between revisions
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It has a {{B9A base}}. | It has a {{B9A base}}. | ||
The 12B4 is used in the [[551]] and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[585]]. | The 12B4 is used in the [[126]], [[551]], and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[585]]. | ||
==Data== | ==Data== | ||