RCA 6BL7GTA

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2 x 6BL7gta RCA/Sylvania Tubes*Very Strong Pair NOS-NIB*#2 $50 Feb 16, 2026

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RCA 6BL7GTA Tube Lot 109 $12 Feb 16, 2026

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RCA 6BL7 GTA Black Plate Vacuum Tube NIB CA$29 Feb 16, 2026

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6BL7GT RCA GE radio audio amplifier vintage audio vacuum tube valve 6BL7GTA Tu3 $10 Feb 14, 2026

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Lot of (10) RCA-branded 6BL7GT 6BL7GTA tubes,radio,twin triode,6BL7,6BX7GT $49 Feb 13, 2026

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2 x 6BL7gta RCA Tubes* Strong Pair*#6 $29 Feb 10, 2026

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RCA 6BL7GTA Vacuum tube $14 Feb 10, 2026

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(3) RCA 6BL7GTA Vintage Radio Audio VACUUM TUBES Hickok 539C Tested $29 Feb 9, 2026

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2 x 6BL7gta RCA Tubes* Strong Pair*#7 $39 Feb 8, 2026

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NOS RCA 6BL7GTA Vacuum tube - Checks good $11 Feb 8, 2026

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Vintage Rca 6BL7 GTA DGet BlackPt Stereo Tube Nib 3Mica #0215 024 85 CA$29 Feb 8, 2026

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(1) Tested RCA 6BL7GTA Tube Date Code LQ RCA 6BL7 GTA Tube Medium Mu Twin Triode $9 Feb 4, 2026

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RCA 6BL7GTA NOS w/ Box AUDIO Radio/Amp VACUUM TUBE Vintage Stock TESTED $17 Feb 3, 2026

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2 x 6BL7gta RCA/Sylvania Tubes*Very Strong Pair NOS-NIB*#3 $45 Jan 24, 2026

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6BL7GTA x2 NOS/NIB RCA Black Plate Triode Tubes-Tested-Date Match-Free Ship $19 Jan 24, 2026

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6BL7GT RCA radio audio amplifier vintage audio vacuum tube valve 6BL7GTA 6BL7 $9 Jan 2, 2026

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Very Strong & Balanced Vintage RCA 6BL7 GTA Black Pts Vacuum Tube #0967 674 09 CA$17 Jan 1, 2026

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6BL7GTA RCA NOS Black Plate Vacuum Tube, TV-7D - New In Original Box - USA $13 Dec 28, 2025

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Pair RCA 6BL7GTA Dual Triode Vacuum Tubes – Untested $28 Dec 27, 2025

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Vintage RCA 6BL7GTA Electron Vacuum Tube $13 Dec 20, 2025

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TUNG-SOL, RCA 6BL7GTA, 6J7GT, 2 X 6SN7GT USA VACUUM TUBES LOT TESTED 100% $44 Dec 9, 2025

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6BL7GTA RCA Matched Balance Pair Tube (New Old Stock)Test NEW 1 Year Warranty $19 Nov 29, 2025

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6BL7GTA RCA Matched Balance Pair Tube (New Old Stock)Test NEW 1 Year Warranty $19 Nov 29, 2025

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6BL7GTA RCA Matched Balance Pair Tube (New Old Stock)Test NEW 1 Year Warranty $19 Nov 29, 2025

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Pair RCA 6BL7GTA Vacuum Tubes TV7 Tested New In Box $25 Nov 28, 2025

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Matched Pair RCA 6BL7GTA Vacuum Tubes New In Box TV7 Tested $30 Nov 26, 2025

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Pair RCA 6BL7GTA Vacuum Tubes TV7 Tested New In Box $24 Nov 26, 2025

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4- RCA 6BL7GTA Vacuum Tubes D Getter TV7 Tested NOS $22 Nov 25, 2025

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3- RCA 6BL7GTA O Getter Vacuum Tubes TV7 Tested NOS $20 Nov 25, 2025

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3- RCA 6BL7GTA Vacuum Tubes Side O Getter TV7 Tested NOS $20 Nov 25, 2025

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RCA Vacuum Tube / 6BL7 GTA / KT1 20069 $12 Oct 30, 2025

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Matched Pair NOS RCA 6BL7GTA Audio Radio Vacuum Tubes - Hickok 539C Tested $30 Oct 21, 2025

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2 matched +/-1968 RCA 6BL7GTA tubes - Black Plates, Side O Getter $34 Oct 21, 2025

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MATCHED PAIR OF RCA 6BL7GTA VACUUM TUBE -BLACKPLATE - NOS/NIB $18 Oct 21, 2025

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Matched Pair NOS RCA 6BL7GTA Audio Radio Vacuum Tubes - Hickok 539C Tested $30 Oct 14, 2025

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3 RCA 6BL7GTA Black Plate Vacuum Tubes Tested NOS On TV 7 $24 Oct 10, 2025

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RCA 6BL7GTA NOS NIB Black Plates Side "O" Getter Serious Tubes T882 $12 Sep 7, 2025

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A MATCHED PAIR OF RCA 6BL7GTA BLACKPLATE NOS/NIB VACUUM TUBES $55 Aug 5, 2025

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A MATCHED PAIR OF RCA 6BL7GTA BLACKPLATE NOS/NIB VACUUM TUBES $55 Aug 5, 2025

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RCA 6BL7GTA Tube NOS NIB $4 Aug 5, 2025

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Vacuum Tube, 6BL7GTA, RCA, Medium-Mu Twin Triode, NOS, Fully Tested Hickok 752A $15 Jul 3, 2025

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RCA 6BL7GTA VACUUM TUBE $6 Jun 26, 2025

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Vintage NOS/NIB RCA 6BL7GTA Tube $11 Jun 25, 2025

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A MATCHED PAIR OF RCA 6BL7GTA BLACKPLATE NOS/NIB VACUUM TUBES $55 Jun 12, 2025

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2 RCA 6BL7GTA Tubes Test Good $17 Jun 6, 2025

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2 RCA 6BL7GTA Tubes Tests Good $17 Jun 6, 2025

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1 NOS NIB Balance RCA 6BL7GTA Tube Black Plate Hickok 539B tested at 100% of NEW $10 Jun 3, 2025

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2 NOS Gm Tested RCA 6BL7GTA Black Plate Audio Amplifier Tubes 6BL7 $39 May 16, 2025