RCA 6BL8

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RCA 6BL8 Vacuum Tube -- CS2 $9 Apr 7, 2026

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RCA by Siemens 6BL8 Vacuum Tube -- CS1 $14 Apr 7, 2026

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Vintage RCA Mullard 6BL8 ECF80 Vacuum Tube NIB Results = 3780/4750 $18 Apr 7, 2026

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Vintage RCA ECF80 6BL8 Stereo Tube Made In Holland #1208 898 76 $10 Apr 7, 2026

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6BL8/ECF80 TUBE RCA TESTED & BOXED VINTAGE COMMERCIAL SURPLUS $9 Apr 6, 2026

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AMPEREX RCA 6BL8 ECF80 E80CF 7643 TUBE IEC HAM NOS NIB $18 Apr 3, 2026

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(25) NOS NIB RCA & Other 6BL8/ECF80 Audio Tubes $75 Mar 30, 2026

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One RCA 6BL8 ECF80 Tube NOS NIB Canada Mfg. GM[%]: 92/98 AMPLITREX $5 Mar 29, 2026

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One RCA 6BL8 ECF80 Tube NOS NIB GM[%]: 104/101 AMPLITREX $6 Mar 29, 2026

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One RCA RADIOTECNIQUE 6BL8 ECF80 Tube NOS NIB GM[%]: 93/95 AMPLITREX $5 Mar 29, 2026

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6BL8/ECF80 vacuum tubes 4 pcs NOS Sylvania & RCA(Amperex) tested $46 Mar 25, 2026

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Vintage RCA Replacement Electron Tube 6BL8/EFC80 $11 Mar 25, 2026

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RCA by Mazda England ECF80 6BL8 Valve Tube NOS Boxed (V2) £12 Mar 25, 2026

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RCA by La Radiotechnique ECF80 6BL8 Valve Tube NOS Boxed (V2) £20 Mar 25, 2026

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RCA 6BL8 Vacuum Tube Pair Matsushita Vintage Audio Electronics JAPAN $137 Mar 12, 2026

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RCA by Mullard 6BL8 Vacuum Tube -- KT1 $14 Feb 15, 2026

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RCA by Philips 6BL8 Vacuum Tube -- KT1 $14 Feb 15, 2026

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RCA by Siemens 6BL8 Vacuum Tube -- KT1 $14 Feb 15, 2026

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2 NOS Sylvania RCA 6LN8 6BL8 ECF80 Fisher Scott Altec Marantz amplifier tubes 2A $19 Feb 8, 2026

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RCA Probably Mullard NOS 6BL8 ECF80 Vacuum Tube Made in Great Britain $18 Jan 31, 2026

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1 Super Nice Balanced RCA by Mullard 6BL8/ECF80 NOS/NIB Amplitrex @ 108/112% GM $20 Jan 21, 2026

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4 6BL8 TUBES 3 Philco and 1 RCA $20 Jan 18, 2026

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RCA Mullard NOS 6BL8 ECF80 Vacuum Tube Tested Made in Great Britain $25 Jan 9, 2026

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Vintage RCA (6BL8/ECF80) Electron Tube (NOS) $15 Jan 9, 2026

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RCA 6BL8/ECF80 AUDIO VACUUM TUBE, NEW IN RCA BOX $22 Jan 2, 2026

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Vintage RCA Mullard 6BL8 ECF80 Vacuum Tube $13 Dec 30, 2025

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RCA Amperex NOS 6BL8/ECF80 Vacuum Tube Tested Holland $25 Dec 3, 2025

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Vintage RCA 6BL8 ECF80 Electron Tube, Vacuum Tube, New Old Stock in Box $13 Nov 24, 2025

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Vintage RCA 6BL8/ECF80 - Replacement Electron Tube - New Old Stock, Tests Strong $15 Nov 24, 2025

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RCA Vintage Vacuum Tubes 6CM7,6LJ8,6BL8,6EJ7,930,6GF7A,7C7,6AG7,6SA7GT~Lot Of 9 $14 Jul 2, 2025

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Vintage RCA 6BL8 Tube Nos Tested $10 Jun 6, 2025

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Vintage RCA 6BL8 Tube Nos Tested $7 Jun 6, 2025

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Vintage RCA Electron Vacuum Tube 6BL8 ECF80 Untested $9 May 10, 2025

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6BL8 RCA CA$45 Jan 26, 2025

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RCA 6BL8/ECF80 Pentode Vacuum Tube ~ NOS, FRANCE $14 Oct 23, 2024

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4 Pcs. Vacuum Tubes 6BL8 IEC, G.E. RCA Motorola Made in Britain & Holland tested $14 Oct 23, 2024

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Vintage NOS/NIB RCA 6BL8/ECF80 Tube $9 Jul 10, 2024

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Vintage NOS/NIB RCA 6BL8/ECF80 Tube $9 Jul 10, 2024

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RCA - 6BL8 - Ecf80-Vacuum Tube - New $15 Apr 29, 2024

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Vintage RCA 6BL8/ECF80 - Replacement Electron Tube - New Old Stock, Tests Strong $9 Apr 11, 2024

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1 NOS RCA 6BL8 ECF80 Mullard Gt Britain valve tube NIB NEW tested strong $24 Sep 24, 2023

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NOS RCA 6BL8 ECF80 radio tube in original box Germany Siemens $9 Aug 27, 2022

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VINTAGE RCA 6BL8 NOS VACUUM TUBE TESTED EXC. $9 Jan 29, 2022

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1 NOS RCA 6BL8 ECF80 Vacuum Tube Made in Great Britain For AM/FM Stereo Radios $15 Jan 29, 2022

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RCA / Electron Tube Model: 6BL8 Tube. New Old Stock $19 Jan 29, 2022

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ONE 6BL8/ECF80 RCA NOS GERMANY Tube Röhre Lampe TSF Valvola Valve 진공관 真空管 电子管 $33 Dec 22, 2021