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Raytheon CRP-5814 / 12AU7 - early black plates

Raytheon CRP-5814 / 12AU7 - early black plates
Price: $49.00
3 in stock
Item Number: 1143
Manufacturer: Raytheon
This rare 1950s military spec Raytheon 5814 is a 12AU7 tube type. It has early black plates and a windmill getter. The red print on the glass has the Raytheon logo and reads "JAN-CRP-5814" (partial/missing).
 
Tube tests as new with very 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 a sample from the lot. Matched pairs, when available, are listed as Item 1144.
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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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