RCA 6CA4
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Product
Site
Price
Listed
eBay
RCA 6CA4 Vintage Tube - Tested TV7 V Strong
£7
Feb 9, 2026
£7
Feb 9, 2026
eBay
RCA 6CA4 Vintage Tube - Tested TV7 V Strong
£8
Feb 9, 2026
£8
Feb 9, 2026
eBay
2 NOS NIB Matched RCA 6CA4 Rectifier Tubes
£35
Feb 8, 2026
£35
Feb 8, 2026
eBay
2 NOS NIB Matched RCA 6CA4 Rectifier Tubes
£38
Feb 8, 2026
£38
Feb 8, 2026
eBay
2 x 6CA4-EZ81 RCA Tubes*O-Getter*Very Strong Testing*#6
£35
Feb 3, 2026
£35
Feb 3, 2026
eBay
RCA EZ81 6CA4 TUBE (strong tested)
£21
Feb 3, 2026
£21
Feb 3, 2026
eBay
6CA4 Radio Tube New RCA NOS MIL spec Tested Ruggedized 1972 date code TV7 Tested
£9
Jan 31, 2026
£9
Jan 31, 2026
eBay
RCA TUBE 6CA4 GOOD @59/59 LARGE ROUND GETTER NIB
$35
Jan 29, 2026
$35
Jan 29, 2026
eBay
RCA Red Print Old Logo 6CA4 EZ81 Vacuum Audio Tube NOS NIB
£47
Jan 29, 2026
£47
Jan 29, 2026
eBay
(2) RCA 6CA4 EZ81 Rectifier Tubes Early 1960s Gray Plates O Getters Tested TV-7U
£32
Jan 3, 2026
£32
Jan 3, 2026
eBay
6CA4 NOS RCA 1960s radio audio amplifier vacuum tubes 2 valves tested EZ81 6CA4
£38
Dec 27, 2025
£38
Dec 27, 2025
eBay
RCA (Labeled Wurlitzer) 6CA4 Vacuum Tube Amplitrex and Guaranteed
£14
Dec 24, 2025
£14
Dec 24, 2025
eBay
1 RCA 6CA4 / EZ81 Vacuum Tube Tested NOS Balanced 99/99
£21
Dec 14, 2025
£21
Dec 14, 2025
eBay
Vintage RCA Webster 6CA4 EZ81 Halo Getter Stereo Tube Results=2875/2700 USA
$22
Dec 10, 2025
$22
Dec 10, 2025
eBay
NOS NIB new RCA 6CA4 vacuum tube tests new and balanced
$19
Nov 19, 2025
$19
Nov 19, 2025
eBay
CLEAN 1960s Vintage RCA Harmon Kardon 6CA4 EZ81 BLACK Plate TESTS STRONG NEW NOS
£13
Nov 1, 2025
£13
Nov 1, 2025
eBay
RCA 6CA4 rectifier that tests very strong (USA)
£18
Sep 3, 2025
£18
Sep 3, 2025
eBay
Vintage NOS/NIB RCA 6CA4 Tube
£20
Aug 29, 2025
£20
Aug 29, 2025
eBay
RCA 6CA4 EZ81 Tested Good Balanced Tube
£13
Aug 24, 2025
£13
Aug 24, 2025
eBay
RCA 6CA4 EZ81 Tested Good Balanced Tube
£13
Aug 24, 2025
£13
Aug 24, 2025
eBay
RCA 6CA4 Gray Plate Vacuum Tube Amplitrex Tested and Guaranteed
$25
Aug 17, 2025
$25
Aug 17, 2025
eBay
RCA EZ81/ 6CA4 rectifier tests strong - USA
£47
Jul 26, 2025
£47
Jul 26, 2025
eBay
Vintage NOS/NIB RCA 6CA4 Tube
£21
Jul 26, 2025
£21
Jul 26, 2025
eBay
RCA Bogen 6CA4 Rectifier Tube TV7 Tested NOS
£14
Jul 24, 2025
£14
Jul 24, 2025
eBay
1 X 6CA4 / EZ81 RCA TUBE. NOS/NIB. CB4
$31
Jul 22, 2025
$31
Jul 22, 2025
eBay
RCA 6CA4 EZ81 Tested Good Balanced Tube
£17
Jun 4, 2025
£17
Jun 4, 2025
eBay
RCA 6CA4 EZ81 Label Motorola Tested Good Balanced Tube
£17
Jun 4, 2025
£17
Jun 4, 2025
eBay
6CA4 EZ81 RCA Audio Receiver Rectifier Vacuum Tube Tested
£18
Apr 19, 2025
£18
Apr 19, 2025
eBay
Matched Pair 6CA4 RCA same code NOS faded label Vacuum Tubes, B&K 747B Tested
£32
Apr 19, 2025
£32
Apr 19, 2025
eBay
2 - RCA 6CA4 Vacuum Tubes / KT1
$47
Mar 1, 2025
$47
Mar 1, 2025
eBay
RCA 6CA4 Vacuum Tube / KT4
£18
Feb 25, 2025
£18
Feb 25, 2025
eBay
1x 6CA4 / EZ81 Rectifier RCA
$18
Dec 31, 2024
$18
Dec 31, 2024
eBay
A MATCHED PAIR OF RCA 6CA4/EZ81 NOS/NIB VACUUM TUBES
£73
Aug 9, 2024
£73
Aug 9, 2024
eBay
RCA 6CA4 Tube NOS Hickok 800A Tested (Box E)
$27
Mar 19, 2024
$27
Mar 19, 2024
eBay
NOS RCA 6CA4 Vintage Radio Audio Amplifier Valve Vacuum Electron Tube *
$44
Feb 3, 2023
$44
Feb 3, 2023
eBay
NOS NIB 1960 RCA 6CA4 Gray Plate Vacuum Tube Guaranteed
£29
Dec 30, 2021
£29
Dec 30, 2021
eBay
NOS NIB 1973 RCA 6CA4 Vacuum Tube Gray Plate Guaranteed USA
£29
Dec 30, 2021
£29
Dec 30, 2021
eBay
RCA 6CA4 EZ81 Rectifier Tube 110/110 each side Dumont Branding
£21
Dec 24, 2021
£21
Dec 24, 2021
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