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H: Difference between revisions
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Later Type H models use a [[Turret attenuators|turret attenuator]]. | Later Type H models use a [[Turret attenuators|turret attenuator]]. | ||
Type H with S/N less than 10,000 have ordinary | Type H with S/N less than 10,000 have ordinary rotary switches. | ||
Input is then coupled to the paraphase amplifier or phase inverter made up of two [[12AU6]] pentode tubes, V3854 and V4854. | Input is then coupled to the paraphase amplifier or phase inverter made up of two [[12AU6]] pentode tubes, V3854 and V4854. | ||