2A3 | 6A3 | 6B4 | 300B Guaranteed Tubes for Sale

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2A3 - 6A3 - 6B4 - 300B

2A3 - 6A3 - 6B4 - 300B

Shop our selection of 2A3, 6A3, 6B4 and 300B vacuum tubes. These tubes are all somewhat related to each-other but are by no means interchangeable. They are all part of what is considered to be the top of the SET tubes.

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Psvane

New Current Matched Octet (8) Psvane 300B HiFi Series Vacuum Tubes Gold Pins

MSRP:

$487.50

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$487.50

Was:

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Psvane

New Current Matched Sextet (6) Psvane 300B HiFi Series Vacuum Tubes Gold Pins

MSRP:

$368.10

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$368.10

Was:

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Psvane

New Current Matched Quad (4) Psvane 300B HiFi Series Vacuum Tubes Gold Pins

MSRP:

$243.73

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$243.73

Was:

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Psvane

New Current Matched Pair (2) Psvane 300B HiFi Series Vacuum Tubes Gold Pins

MSRP:

$120.35

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$120.35

Was:

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Psvane

New Psvane 300B HiFi Series Vacuum Tube Plate Current Tested GOLD PINS Hi-Fi

MSRP:

$60.65

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$60.65

Was:

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Sovtek

Plate Current Matched Octet (8) Sovtek 2A3 Triode Power Vacuum Tubes

MSRP:

$392.98

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$392.98

Was:

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Sovtek

Plate Current Matched Sextet (6) Sovtek 2A3 Triode Power Vacuum Tubes

MSRP:

$289.50

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$289.50

Was:

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Sovtek

Plate Current Matched Quad (4) Sovtek 2A3 Triode Power Vacuum Tubes

MSRP:

$222.68

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$222.68

Was:

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Sovtek

Plate Current Matched Pair (2) Sovtek 2A3 Triode Power Vacuum Tubes

MSRP:

$92.28

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$92.28

Was:

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Sovtek

Plate Current Tested Sovtek 2A3 Triode Power Vacuum Tube- Brand New

MSRP:

$46.16

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$46.16

Was:

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Genalex (Reissie)

New Genalex Reissue PX300B / 300B GOLD PIN Matched Octet (8) Vacuum Tubes

MSRP:

$989.98

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$989.98

Was:

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Genalex (Reissie)

New Genalex Reissue PX300B / 300B GOLD PIN Matched Quad (4) Vacuum Tubes

MSRP:

$434.13

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$434.13

Was:

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Genalex (Reissie)

New Genalex Reissue Current Matched Pair (2) PX300B / 300B GOLD PIN Vacuum Tubes

MSRP:

$214.29

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$214.29

Was:

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Genalex (Reissie)

Brand New In Box Genalex Reissue PX300B / 300B GOLD PIN Vacuum Tube

MSRP:

$110.93

Was:

100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ...

MSRP:

$110.93

Was:

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Sylvania

True NOS NIB Sylvania Leaf Logo USA 6A3 Blk 2-Connected Plt SPRING FILAMENT Tube

MSRP:

$119.75

Was:

Tube Type / Number: 6A3Actual Brand*: Sylvania [Leaf Logo]Printed Brand: Sylvania [Leaf Logo]Quantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual ConnectedGetter Construction: Bottom D FoilCountry of Manufacture: USAVisible Date...

MSRP:

$119.75

Was:

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Sylvania

True NOS NIB Sylvania USA 6A3 Black Dual Connected Plate D Foil Get S-Rods Tube

MSRP:

$79.75

Was:

Tube Type / Number: 6A3Actual Brand*: SylvaniaPrinted Brand: SylvaniaQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual ConnectedGetter Construction: Bottom D FoilCountry of Manufacture: USAVisible Date Codes: M-R Z3RLettering...

MSRP:

$79.75

Was:

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RCA

Tests NOS RCA USA 6A3 Black Dual Connected Plate Bottom [] Get Tube 100%+

MSRP:

$59.75

Was:

Tube Type / Number: 6A3Actual Brand*: RCAPrinted Brand: RCAQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual ConnectedGetter Construction: Bottom []Country of Manufacture: USAVisible Date Codes: V5Lettering Condition: 90...

MSRP:

$59.75

Was:

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Western Electric

True NOS NIB Western Electric USA 300B Black Plate 1 Bottom O Get Vacuum Tube

MSRP:

$1,898.80

Was:

Tube Type / Number: 300BActual Brand*: Western ElectricPrinted Brand: Western ElectricQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: BlackGetter Construction: 1 Bottom OCountry of Manufacture: USAVisible Date Codes: 7626Lettering...

MSRP:

$1,898.80

Was:

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Electro-Harmonix

Brand New Current Matched Octet (8) Electro-Harmonix 300B Ceramic Vacuum Tubes

MSRP:

$601.93

Was:

100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Brand New Current...

MSRP:

$601.93

Was:

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Electro-Harmonix

Brand New Current Matched Sextet (6) Electro-Harmonix 300B Ceramic Vacuum Tubes

MSRP:

$457.65

Was:

100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Brand New Current...

MSRP:

$457.65

Was:

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Electro-Harmonix

Brand New Current Matched Quad (4) Electro-Harmonix 300B Ceramic Vacuum Tubes

MSRP:

$328.30

Was:

100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Brand New Current...

MSRP:

$328.30

Was:

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Electro-Harmonix

Brand New Current Matched Pair (2) Electro-Harmonix 300B Ceramic Vacuum Tubes

MSRP:

$160.15

Was:

100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Brand New Current...

MSRP:

$160.15

Was:

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Electro-Harmonix

Brand New Current Tested Electro-Harmonix 300B Ceramic Vacuum Tube

MSRP:

$64.67

Was:

100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Brand New Current...

MSRP:

$64.67

Was:

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Sylvania

Tests NOS Sylvania USA JAN-CHS-6B4G Black Dual Box Connected Plate Tube 100+%

MSRP:

$64.75

Was:

Tube Type / Number: JAN-CHS-6B4GActual Brand*: SylvaniaPrinted Brand: SylvaniaQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual Box ConnectedGetter Construction: Bottom D FoilCountry of Manufacture: USAVisible Date Codes: 131...

MSRP:

$64.75

Was:

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Raytheon

Tests NOS Raytheon USA 6B4G Black Dual Box Connected Plate Vacuum Tube 100+%

MSRP:

$49.75

Was:

Tube Type / Number: 6B4GActual Brand*: RaytheonPrinted Brand: RaytheonQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual Box ConnectedGetter Construction: Bottom D FoilCountry of Manufacture: USAVisible Date Codes: 280...

MSRP:

$49.75

Was:

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