GENERAL ELECTRONICS GE 12AX7 TUBE PAIR circa 50s FOR MC240 as pictured, they’re in good condition (tested on my tube tester, where NOS tube normal range= 105-110, min-good=65, max-good=120, tested tubes= 105/106 and 106/105 respectively, no short no leak) Note: The shown MC240 schematic picture is using as reference only.
Item Tag: 12AX7
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Open Box NOS Matching Pair Ei YUGO 12AX7 ECC83 Smooth Plates
Minimum 32. Tube 2: 58/58. Tube 1: 56/58. Tube 2: 66/66. Tube 1: 66/68. Tube 2: 61/59. Tube 1: 60/61.
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2-Mullard 12AX7 ECC83 Labeled for Fisher Vintage Electronics
For your consideration are two Mullard 12AX7 ECC83. These tubes were tesed on a TV-7U where the minimum reading is 32 and the reading for a new tube is 49 or better.
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Rare NOS Amperex 12AX7 ECC83 Tube BALANCED Valvo Bugle Boy 12ax7a B339 PERFECT!
Here we have for sale is a rare NOS Amperex/Valvo 12AX7 / ECC83 tube. Rare tube with the dimple foil disk getter as pictured. Made by Amperex and were labeled for distribution by Valvo. NOS tested and perfect in all respects.
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One Amperex Bugle Boy 12AU7/ ECC82. One Labeled Elect. for Medicine.
Pair of Amperex 12AU7/ECC82. where minimum is 50. Tube 2: 96/86 etched code >2D4.
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12AX7/ECC83 Siemens Tall Plate MaxiPreamp2/TV7 Tested (1)Tube Lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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1962 Mullard 12AX7 ECC83 Tube Short Plate O getter. Maxi-Preamp 2 Tested.
1962 Mullard 12AX7. B2H4 I61 Closely matched on my Maxi-Preamp 2 digital tester. See photos for results.
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NOS Mullard 12AX7 Tube
NOS Mullard 12AX7 Tube, cany read the brand that Mullard made this for but you can clearly see the Made in Great Britain imprint. Tested on a Orange MKII Value Tester and it tested 10.
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⭐️1pc Siemens 12AX7 ECC83 Coded TV7 Tested Strong Life Test O-Getter Short Plate
12AX7 ECC83 12AX7A. O Getter Tube. Short Grey PLATE. TUBE’s TEST RESULT’s TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! Perfect Balanced “short” Grey Plates!