2 NOS Matched Sylvania 6SN7GTB Tall Bottle Audio Tubes USA 1960's


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2 NOS Matched Sylvania 6SN7GTB Tall Bottle Audio Tubes USA 1960's

2 Sylvania 6SN7 GTB Tubes "angled black plates chrome dome"


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2 Sylvania 6SN7 GTB Tubes "angled black plates chrome dome"

1 x 6SN7gtb Tung-Sol (USA) Tube *Black Plates*Very Strong & Balanced NOS SUPER!


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1 x 6SN7gtb Tung-Sol (USA) Tube *Black Plates*Very Strong & Balanced NOS SUPER!

Sylvania 6SN7 GTB Chrome Top Vintage Tube Tested Pair


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Sylvania 6SN7 GTB Chrome Top Vintage Tube Tested Pair

2 Matched Baldwin Sylvania 6SN7GTB Black Plate Audio Tubes USA


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2 Matched Baldwin Sylvania 6SN7GTB Black Plate Audio Tubes USA

lot of 40 tested 6sn7gt 6sn7gta 6sn7gtb tubes sylvania rca ge cbs tung sol


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lot of 40 tested 6sn7gt 6sn7gta 6sn7gtb tubes sylvania rca ge cbs tung sol

lot of 58 tested 6sn7gt 6sn7gta 6sn7gtb tubes sylvania rca ge cbs tung sol


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lot of 58 tested 6sn7gt 6sn7gta 6sn7gtb tubes sylvania rca ge cbs tung sol

2 Tung-Sol 6SN7GTB tall bottle, chrome top amplifier tubes.TV-7 test strong.


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2 Tung-Sol 6SN7GTB tall bottle, chrome top amplifier tubes.TV-7 test strong.

2 NOS NIB Matched Sylvania 6SN7GTB Black Plate Audio Tubes USA


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2 NOS NIB Matched Sylvania 6SN7GTB Black Plate Audio Tubes USA

PAIR OF RCA 6SN7GTB NOS/NIB VAC TUBES B2


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PAIR OF RCA 6SN7GTB NOS/NIB VAC TUBES B2

Magnavox 6SN7 GTB (6SN7GTB) Tube Chrome Dome GM 2300/2050 TV-7/U Tested!


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Magnavox 6SN7 GTB (6SN7GTB) Tube Chrome Dome GM 2300/2050 TV-7/U Tested!

Single RCA Black Plate 6SN7 GTB High Test Near NOS NIB 2 of 3


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Single RCA Black Plate 6SN7 GTB High Test Near NOS NIB 2 of 3

2 NIB RCA 6SN7GTB audio/guitar amplifier tubes. TV-7 test strong.


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2 NIB RCA 6SN7GTB audio/guitar amplifier tubes. TV-7 test strong.

6SN7GTB LOT OF 2 USED SYLVANIA TUBES, TV-7 TESTED 6SN7


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6SN7GTB LOT OF 2 USED SYLVANIA TUBES, TV-7 TESTED 6SN7

6SN7 GTA / 6SN7 GTB - Various Brands Vacuum Tubes - Lot of 10 - Tested Good


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6SN7 GTA / 6SN7 GTB - Various Brands Vacuum Tubes - Lot of 10 - Tested Good

(2) Vintage Baldwin 6SN7GTB Vacuum Tubes Black plates Crome Top Tested


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(2) Vintage Baldwin 6SN7GTB Vacuum Tubes Black plates Crome Top Tested

Lot of (8) Matched Vintage Sylvania 6SN7 GTB Vacuum Tubes 1958 Nice!


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Lot of (8) Matched Vintage Sylvania 6SN7 GTB Vacuum Tubes 1958 Nice!

Quad (4) RCA 6SN7GTB Preamplifier Tubes!!! Test Good/Strong!!! Same Date Code!!!


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Quad (4) RCA 6SN7GTB Preamplifier Tubes!!! Test Good/Strong!!! Same Date Code!!!

4 GE 6SN7GTB Tubes USA Stereo Amp


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4 GE 6SN7GTB Tubes USA Stereo Amp

6SN7GTB Sylvania Chrome Top Vacuum Tube Vintage Tested


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6SN7GTB Sylvania Chrome Top Vacuum Tube Vintage Tested

Tung-Sol TWO Factory Tested PAIR 6SN7 6SN7GTB Tubes, NEW


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Tung-Sol TWO Factory Tested PAIR 6SN7 6SN7GTB Tubes, NEW

FAA 6SN7GTB Vintage Tube


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FAA 6SN7GTB Vintage Tube

3 - 6SN7GTB EICO by GE Amplifier Vacuum Tubes 6SN7 Tested


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3 - 6SN7GTB EICO by GE Amplifier Vacuum Tubes 6SN7 Tested

10 VINTAGE SYLVANIA 6SN7 GTB VACUUM TUBES CHROME TOP DOME PRE-AMP AMPLIFIER LOT1


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10 VINTAGE SYLVANIA 6SN7 GTB VACUUM TUBES CHROME TOP DOME PRE-AMP AMPLIFIER LOT1

Radio Tubes 6SN7GTB 6SN7GT 6SN7 Sylvania Black Plate NOS PAIR


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Radio Tubes 6SN7GTB 6SN7GT 6SN7 Sylvania Black Plate NOS PAIR

PAIR OF WESTINGHOUSE 6SN7GTB NOS/NIB VAC TUBES B2


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PAIR OF WESTINGHOUSE 6SN7GTB NOS/NIB VAC TUBES B2

Vintage RCA 6SN7GTB vacuum tube


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Vintage RCA 6SN7GTB vacuum tube

Radio Tubes 6SN7GTB 6SN7 RCA Black Plate MV Codes NOS PAIR


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Radio Tubes 6SN7GTB 6SN7 RCA Black Plate MV Codes NOS PAIR

Radio Tubes 6SN7GTB 6SN7GT GE Matched Quad


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Radio Tubes 6SN7GTB 6SN7GT GE Matched Quad

New Gain Matched Pair (2) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT


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New Gain Matched Pair (2) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT

Sylvania 6SN7GTB Quad Tested Very Strong


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Sylvania 6SN7GTB Quad Tested Very Strong

RCA 6SN7GTB Lot of 5 Tested


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RCA 6SN7GTB Lot of 5 Tested

Lot of 2 GE & Sylvania Electronic Tubes FAA 6SN7 GTB 8 pin Medium-Mu Twin Triode


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Lot of 2 GE & Sylvania Electronic Tubes FAA 6SN7 GTB 8 pin Medium-Mu Twin Triode