2 NOS / NIB GE 6SN7GTB Tubes Copper Grid Posts MATCHED PAIR Date


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2 NOS / NIB GE 6SN7GTB Tubes Copper Grid Posts MATCHED PAIR Date

TUNG SOL USA 6SN7GTB TIGHT MATCH PAIR BLK PLATE SHORT BASE HALO GETR TEST NOS+


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TUNG SOL USA 6SN7GTB TIGHT MATCH PAIR BLK PLATE SHORT BASE HALO GETR TEST NOS+

1 NOS Sylvania 6SN7GTB Chrome Dome Audio Tube USA


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1 NOS Sylvania 6SN7GTB Chrome Dome Audio Tube USA

2 MATCHED 6SN7-GTB SYLVANIA CHROME DOME AUDIO TUBES


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2 MATCHED 6SN7-GTB SYLVANIA CHROME DOME AUDIO TUBES

22 LOT 60’s VNTG CHROME TOP 6SN7GTB TV~7 TESTED


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22 LOT 60’s VNTG CHROME TOP 6SN7GTB TV~7 TESTED

(1) NOS/NIB Tung-Sol 6SN7GTB Audio Tubes TV-7 Tested Dark Glass, Round Plates 


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(1) NOS/NIB Tung-Sol 6SN7GTB Audio Tubes TV-7 Tested Dark Glass, Round Plates 

(7) RCA made in USA 6SN7GTB coin base twin triode audio tubes


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(7) RCA made in USA 6SN7GTB coin base twin triode audio tubes

RCA 6SN7GTB TIGHT MATCH QUARTET BLK PLATE S TEST NOS MID 1950'S


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RCA 6SN7GTB TIGHT MATCH QUARTET BLK PLATE S TEST NOS MID 1950'S

SYLVANIA 6SN7 GTB / GTA PLATINUM MATCHED PAIR well balanced Gm & Ip TEST NOS


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SYLVANIA 6SN7 GTB / GTA PLATINUM MATCHED PAIR well balanced Gm & Ip TEST NOS

2 - Vintage 6sn7gtb TungSol Tubes *D-Getters*Tall Boys****Mouse Ears***


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2 - Vintage 6sn7gtb TungSol Tubes *D-Getters*Tall Boys****Mouse Ears***

6SN7GTB x2 NOS/NIB GE Dual Triode Tubes-Date Matched-Factory Fresh-Free Shipping


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6SN7GTB x2 NOS/NIB GE Dual Triode Tubes-Date Matched-Factory Fresh-Free Shipping

6SN7GTB Tube Lot - AT1000 Tested - 5 x 6SN7 Tung-Sol Tall Bottle Chrome Top


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6SN7GTB Tube Lot - AT1000 Tested - 5 x 6SN7 Tung-Sol Tall Bottle Chrome Top

 NOS/NIB Matched Quad Of RCA Thick Base 6SN7GTB Audio Vacuum Tubes TV-7 Tested


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 NOS/NIB Matched Quad Of RCA Thick Base 6SN7GTB Audio Vacuum Tubes TV-7 Tested

2 - Vintage 6sn7gtb TungSol Tubes *Black Plate*Tall Boys*Strong


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2 - Vintage 6sn7gtb TungSol Tubes *Black Plate*Tall Boys*Strong

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


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

Lot of 3 RCA, NOS/NIB 6SN7GTB Tubes, TV-7 Tested, GUARANTEED


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Lot of 3 RCA, NOS/NIB 6SN7GTB Tubes, TV-7 Tested, GUARANTEED

Premium Pair GE 6SN7GTB - Matched Plates - Low Noise - Tests Strong


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Premium Pair GE 6SN7GTB - Matched Plates - Low Noise - Tests Strong

SYLVANIA 6SN7GTB Chrome Dome Tube Lot - AT1000 Tested - BULLz Clearance Item


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SYLVANIA 6SN7GTB Chrome Dome Tube Lot - AT1000 Tested - BULLz Clearance Item

6SN7GTB Tube Lot - AT1000 Tested - 5 6SN7 Coin Base - BULLz Clearance Item


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6SN7GTB Tube Lot - AT1000 Tested - 5 6SN7 Coin Base - BULLz Clearance Item

(4) various brand made in USA 6SN7GTB twin triode audio tubes


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(4) various brand made in USA 6SN7GTB twin triode audio tubes

NOS / NIB Matched Pair Raytheon Black Plate 6SN7GTB Vacuum Tubes


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NOS / NIB Matched Pair Raytheon Black Plate 6SN7GTB Vacuum Tubes

Tung-Sol 6SN7GTB New Prod. Preamp Vacuum Tube


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Tung-Sol 6SN7GTB New Prod. Preamp Vacuum Tube

2 SYLVANIA 6SN7GTB BLACK PLATE VACUUM TUBES


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2 SYLVANIA 6SN7GTB BLACK PLATE VACUUM TUBES

6SN7GTB Tube Lot - AT1000 Tested - 9 Japanese 6SN7's - BULLz Clearance Item


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6SN7GTB Tube Lot - AT1000 Tested - 9 Japanese 6SN7's - BULLz Clearance Item

Matching Pair 1957 RCA 6SN7GTB Tubes - tested NOS black plates, bottom D getter


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Matching Pair 1957 RCA 6SN7GTB Tubes - tested NOS black plates, bottom D getter

SYLVANIA 6SN7 GTB TALL GLASS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR


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SYLVANIA 6SN7 GTB TALL GLASS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR

(1) Matched Quad Of Raytheon 6SN7GTB Audio Vacuum Tubes TV-7 Tested


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(1) Matched Quad Of Raytheon 6SN7GTB Audio Vacuum Tubes TV-7 Tested

2 x 6SN7gtb GE Tubes *Very Strong "Bogey" Tubes*Matching*NOS*NIB*(2 pair avail)


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2 x 6SN7gtb GE Tubes *Very Strong "Bogey" Tubes*Matching*NOS*NIB*(2 pair avail)

6SN7GTB Tube Lot - AT1000 Tested - 7 Japanese & a Roosky - BULLz Clearance Item


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6SN7GTB Tube Lot - AT1000 Tested - 7 Japanese & a Roosky - BULLz Clearance Item

Quad of RCA 6SN7GTB Black Plate 1966-1968 Vacuum Tubes


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Quad of RCA 6SN7GTB Black Plate 1966-1968 Vacuum Tubes

2 Strong Matched Westinghouse Black Plate Top O Getter 6SN7GTB Tubes


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2 Strong Matched Westinghouse Black Plate Top O Getter 6SN7GTB Tubes

2 Strong Matched Raytheon Gray Plate O Getter 6SN7GTB Tubes


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2 Strong Matched Raytheon Gray Plate O Getter 6SN7GTB Tubes

2- 6SN7GTB General Electric Vintage AudioTubes; *Certified Reference Plus Pair*


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2- 6SN7GTB General Electric Vintage AudioTubes; *Certified Reference Plus Pair*

SYLVANIA 6SN7GTB Chrome Dome Vacuum Tubes - AT1000 Tested - BULLz Clearance Item


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SYLVANIA 6SN7GTB Chrome Dome Vacuum Tubes - AT1000 Tested - BULLz Clearance Item

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