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Sylvania 12AT7 - triple mica, black plates

Sylvania 12AT7 - triple mica, black plates
Price: $39.00
Item Number: 494
Manufacturer: Sylvania
This military spec Sylvania JHS-12AT7 has black plates, triple micas, and a D getter. The green print on the glass is partial/missing.

Tube tests as new with low noise. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).
This tube is sold individually. Photo is of a sample from the lot.
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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