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Sylvania 12AT7 / JAN-12AT7WA/B - black plates, matched pair

Sylvania 12AT7 / JAN-12AT7WA - black plates, matched pair
Price: $49.00
2 matched pair in stock
Item Number: 1090
Manufacturer: Sylvania
The late 1960s military spec Sylvania JAN-12AT7WA tubes in this precisely matched pair have black plates with copper grid posts. The large halo getters have dual support posts. The green print on the glass has the Sylvania logo and reads "JAN-12AT7WA" or "JAN-12AT7WB" (labels may be partial).
 
Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm). Tubes ship in new white boxes.
 
These tubes are sold as a matched pair. Photo is a sample pair from the lot. Singles, when available, are listed as Item 1089.

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Sylvania 12AT7 / JAN-12AT7WC - black plates
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Price: $27.00
Sylvania 12AT7 / JAN-12AT7WC - black plates
This 1970s military spec Sylvania 12AT7WC tube has black plates with copper grid posts and a large halo getter. Tube tests as new with 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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