12AX7A = 7025 = E83CC. It’s Soooo Rare, You can’t FIND a 7025 testing 125%/125% mA anywhere! 1958 RAYTHEON USA. RARE NOS “125%/125%mA! 1958 BLACK PLATES! AUTHENTIC NOS MADE IN USA. (125%/125%)WOW!
Item Tag: Raytheon
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1957 Raytheon 12AU7/ECC82 PLATINUM PLUS GRADE Preamp Tubes Matched Pair 90% NOS!
Silver Grade tubes are matched within 20%, Gold Grade tubes within 15% and Platinum Grade 10%. You are purchasing a ” Platinum Plus ” grade matched pair of tubes. Test scores will average between 90% and 95% of NOS values.
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1959 Raytheon 12AU7 PLATINUM GRADE Preamp Tubes Matched Pair 90% NOS =ECC82 6189
Silver Grade tubes are matched within 15%, Gold Grade tubes within 10% and Platinum Plus Grade 1%. You are purchasing a “Platinum ” grade matched pair of tubes. Test scores will average between 90% and 95% of NOS values.
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PERFECT 7025 (ECC83 sub) NOS RAYTHEON BLACK-PLATE TUBE USA. 1,600/1,600 D-GETTER
RAYTHEON CODE FOR 7025 IS “AR”. 1950’s RAYTHEON USA. 7025 = LOW-NOISE TYPE 12AX7. AUTHENTIC NOS MADE IN USA. Tube Museum. TUBE MUSEUM NEW YORK. SINGLE TUBE – D-GETTER. TUBE MUSEUM SUPER-STRONG QUALITY.
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PERFECT RAYTHEON NOS JAN 5751 12AX7 TUBE WINDMILL GETTER BLACK PLATES 1968 USA
JAN 5751 MADE WITH BLACK PLATES AND A GIANT WINDMILL GETTER. THIS TUBE IS NOS AND PERFECT 100% NEW MADE 1968 IN THE USA. SUPER GRADE VALVE MADE IN THE USA 1968. THIS TUBE TESTED 105% STRONG EACH SIDE TIGHTLY BALANCED.
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(2) Raytheon 6SN7GTB Tubes Black Plates O Getters Tests NOS Amplitrex
(2) Raytheon 6SN7GTB Tubes Black Plates O Getters. Tested on an Amplitrex AT1000.
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1 Good Raytheon Black Plate 12AX7 tube #40011
1 Good Raytheon Black Plate 12AX7 tube.This tube test 42-37 where 32 is the minimum good and new tubes test 48 to 50 on are tv7 tube tester.