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12AU7 / 5963 Sylvania made - premium matched pair
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1 in stock
Item Number: 461
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The 5963 tubes in this premium matched pair are industrial 12AU7 type tubes. They were made by Sylvania and labeled for National. They have long gray plates and halo getters.
Both tubes test as new with precisely matched plates and very low noise.
Tubes are sold as a premium matched pair. Photo is of actual tubes. |
This military spec RCA JAN 5963 is a premium 12AU7 type tube. It has long gray plates. Tube tests as new.
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Price: Starting at $18.00
This 12AU7 by RCA has the popular black plates and is labeled as organ stock. (Tubes that were intended for use in organs were screened for low noise.)
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Price: Starting at $15.00
This 12AU7A tube was made by RCA and labeled for organ companies. It has a clear top, side getter, and ribbed gray plates. Choose from tubes that test as premium new (precisely matched plates), new, or good.
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This military spec RCA JRC-5814A has black plates, triple micas, and extra support rods. Tube tests premium new with precisely matched plates.
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Price: Starting at $13.00
This RCA 12AU7A tube has a clear top, side getter, and ribbed gray plates. Tube tests as new and has very low noise.
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Price: Starting at $25.00
This 5963 is a premium version of the 12AU7 type tube that was made by RCA and labeled for Hewlett Packard. It has long gray plates and a halo getter. Choose from tubes that test as premium new (matched plates) or as new.
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Product Reviews
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles.
We also offer high quality and hard to find parts for DIY tube amplifier projects.
Our website features secure payment options and fast, convenient shipping around the world.
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