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1. 12AX7A RAYTHEON Black Plates O Getter AMPLITREX Tested Tubes Made in USA '59

   12AX7A Baldwin by RAYTHEON Long Black Plates O Getter Tested Tube. The sound of the 12AX7A RAYTHEON Long Black Plates Labeled Baldwin Halo Getter is generally characterized as detailed, precise and with good definition.

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2. 12AX7A ECC83 12AX7 Belvu/Mazda Silver Plate NOS Matched pair

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3. ECC83 12AX7 Grey Plate O Getter NOS Amperex Bugle Boy Holland Valve Tubes

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4. 2 RCA 12AX7A/ECC83 AUDIO VACUUM TUBES GRAY PLATE O GETTER TV-7 TESTED.

   The tubes were tested on my Hickok TV-7D/U and they read 48/42 and 48/48. The minimum is equal to 65% of the life of the tube.

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5. JJ ECC83 12AX7 A NOS Tube AMPLITREX test GM% 131 118 MAY24A

   Fully Tested on the Amplitrex AT1000 Tester. ECC83 12AX7. IA: 150% GM: 131%. IA: 116% GM: 118%. Test results This Valve. All parcels with value ofGBP20 and over. Purchasing from.

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6. CV4004 ECC83 12AX7 A Mullard Box Anode 641 R2A2 New Old Stock Valve Tube Jan22B

   CV4004 ECC83 12AX7 Mullard Mitcham. Test results This Valve. IA.88 GM: 1.4.

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7. Valve JCK 12AX7A 7025 ECC83 AF Double Triode High Audio Amplifier 6.3v 0.3A . V2

   This tube is in perfect new condition. This tube is new. WE HAVE NO FACILITIES FOR COLLECTION.

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8. Match Pair 12AX7A ECC83 NOS Matsushita Mullard Holy Grails Angled Ring Getters

   The Matsushita ECC83 (also known as a 12AX7) vacuum tube is highly regarded for its rich, warm, and detailed tonal characteristics, making it a favorite among audiophiles and musicians alike. NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.

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