Matched Pair Raytheon CK-5751 12AX7WA NOS Black Plate D-Getter Triple Mica Tubes

- Very RARE, Matched Codes Pair

Ruggedized Broadcast version of 12AX7 Designed to withstand Shock & Vibration

 - Triple Heavy Mica, Black Plates, Welded D-Getters; Support Rods; Use of gold-plated grids for reduced grid emission; Design to       withstand shock and vibration; 50-hour aging on all tubes before final test.

Tubes Test NOS with closely Matched triode sections

Tubes are closely Matched on TV-2/u

Tube 1 - Triode 1/2: 105%/107%

Tube 2 - Triode 1/2: 103%/105%

Tubes are Fully Guaranteed as Described and Pictured.  

New in Original Boxes

Due to recent changes in worldwide Shipping services, Please contact for shipping options and prices for your country.

***Shipping to Greece, Norway, Poland, Turkey is $26.95 with Tracking

Tubes will be packed securely and shipped via Canada Post Air Parcel (Canada); USPS Priority (USA); Asendia Global Tracking (Europe / Asia) 

Please email with any questions before bidding.