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Single RCA 12AX7- 1958 Vintage. Black Plate/Slanted Getter. Strong And Quiet!
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1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#18
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Lot 2 Matched Codes NOS RCA 5751 12AX7 TUBES
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BEST 1960 RCA USA 7025 (Upgrade to 12AX7 ECC83) MUSEUM CERTIFIED LOW-NOISE TUBE
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1 x 12AX7 RCA Tube*Black-D*Very Strong Testing*1958*#12
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1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#20
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One Very Strong RCA Short Gray Plate O Getter 12AX7A / ECC83 Tube-TV-7 @ 59/51
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RARE RCA 12au7/ECC82 LONG Black plates D-getter tube - early 1950s
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NIB 5751 RCA JRC-5751 3-Mica Black Plate Slant-D Getter 12AX7
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2 EXACT Matching RCA 12AU7 / ECC82 tubes Grey Plate TESTED Good made Gr. Britain
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