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RCA 12AU7 - black plates, matched pair
Price: From $12.00 to $29.00
This RCA 12AU7 tube has long black plates and a D getter spot welded to one of the plate posts. The white label on the glass has the RCA logo (label may be partial or missing). Click "more info" for current availability.
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This rare 1952 military spec RCA JRC-12AU7 tube has long black plates and a D getter spot welded to one of the plate posts. The white label on the glass has the RCA logo and reads "JRC-12AU7." Tube tests as new with high gain and balanced sections.
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This late 1950s 12AU7 was made by RCA and labeled for organ companies. (Tubes that were intended for use in organs were screened for low noise.) Tube tests good.
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The late 1950s-early 1960s 12AU7A tubes in this precisely matched pair were made by RCA and labeled for organ companies. They have clear tops, side getters, and ribbed gray plates. Both tubes test as new with balanced sections and very low noise.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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