sylvania 6550

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6 6550A & 6550WE POWER VACUUM TUBES! TEST GOOD! 3 USA/3 USSR! 2 ARE GE! ASSORTED
$249.99

6 6550A & 6550WE POWER VACUUM TUBES! TEST GOOD! 3 USA/3 USSR! 2 ARE GE! ASSORTED

Tungsol/Sylvania 6550 Solid Grey Plate NOS Tested Excellent Matched Pair
$750.00

Tungsol/Sylvania 6550 Solid Grey Plate NOS Tested Excellent Matched Pair

Tung-Sol 6550 Power Tubes - Matched Sextet (2-pack) Bundle
$853.08

Tung-Sol 6550 Power Tubes - Matched Sextet (2-pack) Bundle

Vtg Tested Strong Sylvania 35A5 Loktal Audio Output Electron Vacuum Tube
$4.99

Vtg Tested Strong Sylvania 35A5 Loktal Audio Output Electron Vacuum Tube

New ListingLOT OF 4 NOS NIB SYLVANIA 6550 POWER SAUCER GETTER VACUUM TUBES AMPLITREX TESTED
$350.00

New ListingLOT OF 4 NOS NIB SYLVANIA 6550 POWER SAUCER GETTER VACUUM TUBES AMPLITREX TESTED

6550 Sylvania, Vacuum Tubes, NOS Matched pair, Tested. SALE IS FOR THE PAIR
$275.00

6550 Sylvania, Vacuum Tubes, NOS Matched pair, Tested. SALE IS FOR THE PAIR

5 NOS GE - General Electric 6550A Tubes / NR / KT
$489.95

5 NOS GE - General Electric 6550A Tubes / NR / KT

RCA 6550 Vacuum tubes...Coke Bottle.... Match pair.... NOS. ...Original Boxes
$299.95

RCA 6550 Vacuum tubes...Coke Bottle.... Match pair.... NOS. ...Original Boxes

3 vintage GE 6550 A vacuum tubes Tested triple getter and welded plates vg cond.
$160.00

3 vintage GE 6550 A vacuum tubes Tested triple getter and welded plates vg cond.

Quad of Sylvania 6550 Tubes Tested and Matched (b)
$300.00

Quad of Sylvania 6550 Tubes Tested and Matched (b)

Sylvania 6550 Output Tube Strong
$60.00

Sylvania 6550 Output Tube Strong

4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
$588.88

4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

NEW VINTAGE SYLVANIA RADIO TUBE 35A5
$17.99

NEW VINTAGE SYLVANIA RADIO TUBE 35A5

Sylvania 35A5 NOS NIB 6550gm Grey Glass Black Plate Chrome Top Serious Tube T120
$8.00

Sylvania 35A5 NOS NIB 6550gm Grey Glass Black Plate Chrome Top Serious Tube T120

One Sylvania 35A5 Audio Output electron vacuum tube NIB
$6.97

One Sylvania 35A5 Audio Output electron vacuum tube NIB

4 NOS MPD - GE - General Electric 6550A Tubes / JG / KT
$395.00

4 NOS MPD - GE - General Electric 6550A Tubes / JG / KT

Tung-Sol 6550 Power Tube - Transparent (6550) Box Is Not Perfect
$65.00

Tung-Sol 6550 Power Tube - Transparent (6550) Box Is Not Perfect

vintage GE 6550 Vacuum tubes..............Matched pair
$199.95

vintage GE 6550 Vacuum tubes..............Matched pair

SYLVANIA 6550 KT-88 MATCHED POWER TUBE PAIR V1 TIGHT 1% NOS NIB *eTRACER*
$449.99

SYLVANIA 6550 KT-88 MATCHED POWER TUBE PAIR V1 TIGHT 1% NOS NIB *eTRACER*

vintage GE 6550 Vacuum tubes....Matched pair... NOS ....Original Boxes
$299.95

vintage GE 6550 Vacuum tubes....Matched pair... NOS ....Original Boxes

Factory Platinum Matched Quad Tung Sol 6550 tubes, Brand New in Box !
$284.29

Factory Platinum Matched Quad Tung Sol 6550 tubes, Brand New in Box !

6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
$888.88

6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched #2
$288.88

2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched #2

SYLVANIA 6550
$90.00

SYLVANIA 6550 "Single" Tested strong. Letter faded !

GE 6550 Vintage 1985 NOS Gray Plate Vacuum Tube (excellent testing scores)
$115.00

GE 6550 Vintage 1985 NOS Gray Plate Vacuum Tube (excellent testing scores)

Lot 0f (7) 6350 Vacuum Tubes -Various Brands Black Plates / Very Strong and Bal
$15.99

Lot 0f (7) 6350 Vacuum Tubes -Various Brands Black Plates / Very Strong and Bal

B16P 1 Unit TUBE Svetlana 6550 WA NOS We Ship Worlwide
$60.00

B16P 1 Unit TUBE Svetlana 6550 WA NOS We Ship Worlwide

35A5 Sylvania 1 NEW Vintage Vacuum Receiving tube TBL34
$7.29

35A5 Sylvania 1 NEW Vintage Vacuum Receiving tube TBL34

Sylvania 6550 matched quad set
$400.00

Sylvania 6550 matched quad set

6550A (US)
$249.95

6550A (US)

Vintage Sylvania 6550A Tube Nos Tested
$131.25

Vintage Sylvania 6550A Tube Nos Tested

SYLVANIA 6550 Vacuum Tube #A165
$400.00

SYLVANIA 6550 Vacuum Tube #A165

GE 6550A Vintage 1985 NOS Gray Plate Vacuum Tube (excellent testing scores)
$175.00

GE 6550A Vintage 1985 NOS Gray Plate Vacuum Tube (excellent testing scores)

Vintage Sylvania 6550A Tube Nos Tested
$131.25

Vintage Sylvania 6550A Tube Nos Tested

Pair of Sylvania 6550 Tubes Tested and Matched (e)
$150.00

Pair of Sylvania 6550 Tubes Tested and Matched (e)

Tung-Sol 6550 Power Tube Vacuum tube set of 8 Unused F/S Japan
$859.98

Tung-Sol 6550 Power Tube Vacuum tube set of 8 Unused F/S Japan

Tung-Sol 6550 Power Tubes - Matched Quartet
$343.84

Tung-Sol 6550 Power Tubes - Matched Quartet

(Sweet edition)Platinum Factory Match QUAD 4pcs Tung-sol 6550 tubes
$356.26

(Sweet edition)Platinum Factory Match QUAD 4pcs Tung-sol 6550 tubes

35A5 Sylvania loctal vintage vacuum tubes 3 valve radio amplifier tested 35A5
$19.99

35A5 Sylvania loctal vintage vacuum tubes 3 valve radio amplifier tested 35A5

Sylvania 35A5 Vacuum Tube. A Power-Output Tube. CV1753.
$12.00

Sylvania 35A5 Vacuum Tube. A Power-Output Tube. CV1753.

35A5 Tube PHILCO OR SYLVANIA Tested  & WORKING - WITH A BOX
$6.00

35A5 Tube PHILCO OR SYLVANIA Tested  & WORKING - WITH A BOX

Sylvania 35A5 Radio Tube TESTED
$17.00

Sylvania 35A5 Radio Tube TESTED

Factory Platinum Matched Pair Tung Sol 6550 tubes, Brand New in Box !
$141.65

Factory Platinum Matched Pair Tung Sol 6550 tubes, Brand New in Box !

6AS7G 5998 Tungsol JAN made in U.S.A Amplitrex Tested 1 Pcs
$160.00

6AS7G 5998 Tungsol JAN made in U.S.A Amplitrex Tested 1 Pcs

Huge Lot of 200+ Vintage Electronic Vacuum Tubes RCA & GE
$125.00

Huge Lot of 200+ Vintage Electronic Vacuum Tubes RCA & GE

Lot of 55 Vtg Sylvania Electronic Vacuum Tubes
$25.00

Lot of 55 Vtg Sylvania Electronic Vacuum Tubes

New ListingVtg Huge Lot Mixed Electron Vacuum Tubes untested!! Look!! Sylvania, GE, & More!
$25.00

New ListingVtg Huge Lot Mixed Electron Vacuum Tubes untested!! Look!! Sylvania, GE, & More!

New ListingVintage Lot of 39 Vacuum Tubes. GE,Tung-Sol,RCA,Sylvania Philco Etc. UNTESTED
$12.20

New ListingVintage Lot of 39 Vacuum Tubes. GE,Tung-Sol,RCA,Sylvania Philco Etc. UNTESTED

Pair of Sylvania 6L6GC Vacuum Tubes
$150.00

Pair of Sylvania 6L6GC Vacuum Tubes

Pair of Sylvania 6L6GC Power Vacuum Tubes
$10.00

Pair of Sylvania 6L6GC Power Vacuum Tubes

PAIR SYLVANIA 7189/EL84 AUDIO VACUUM TUBE BLACK PLATES, O GETTER, TESTED.
$49.99

PAIR SYLVANIA 7189/EL84 AUDIO VACUUM TUBE BLACK PLATES, O GETTER, TESTED.

THREE Sylvania 8417 Vacuum tubes (never used)
$200.00

THREE Sylvania 8417 Vacuum tubes (never used)

EL84 Mullard Made in Great Britain Amplitrex Tested Qty 1 Matched Quad 4 pcs
$288.00

EL84 Mullard Made in Great Britain Amplitrex Tested Qty 1 Matched Quad 4 pcs

1 RARE “ True CHROME DOME” 6SL7WGT 5691 Brown Base -NOS VACUUM TUBE 6SL7
$225.00

1 RARE “ True CHROME DOME” 6SL7WGT 5691 Brown Base -NOS VACUUM TUBE 6SL7

Single JAN-CHS-6SN7W Sylvania
$147.50

Single JAN-CHS-6SN7W Sylvania

New Listing2 NICE SYLVANIA 6B4G MATCHED VACUUM TUBES TV7 TESTED
$109.99

New Listing2 NICE SYLVANIA 6B4G MATCHED VACUUM TUBES TV7 TESTED

New ListingLot of 12 Assorted Vacuum Tubes - Untested
$8.50

New ListingLot of 12 Assorted Vacuum Tubes - Untested

Vintage Lot 67 GE Sylvania RCA Radio Amplifier TV Vacuum Tubes Boxed Untested D
$9.99

Vintage Lot 67 GE Sylvania RCA Radio Amplifier TV Vacuum Tubes Boxed Untested D

Sylvania Gold Brand GB 5751 Vacuum Tube
$50.00

Sylvania Gold Brand GB 5751 Vacuum Tube

Nice Matched Pair of Tested 1960 Sylvania STR 387/6L6GC Vacuum Tubes
$76.45

Nice Matched Pair of Tested 1960 Sylvania STR 387/6L6GC Vacuum Tubes

Lot Of (6) 6V6GT Power Vacuum Tubes Mixed Brands Hickok Tested
$29.99

Lot Of (6) 6V6GT Power Vacuum Tubes Mixed Brands Hickok Tested

Huge Lot 35 6SN7W/GTA/GTB/GT/JAN blackplate tubes~~ tested
$299.00

Huge Lot 35 6SN7W/GTA/GTB/GT/JAN blackplate tubes~~ tested

PAIR SYLVANIA 6L6GC OR 6L6 vacuum tubeS HICKOK 539C TESTED
$49.99

PAIR SYLVANIA 6L6GC OR 6L6 vacuum tubeS HICKOK 539C TESTED

Pair of Sylvania 6V6 GT Tubes Vintage USA Vacuum Tubes, Tested NOS
$62.95

Pair of Sylvania 6V6 GT Tubes Vintage USA Vacuum Tubes, Tested NOS

Pair of Sylvania 5692 Brown Base NOS NIB Vacuum Tubes - 9% matched
$300.00

Pair of Sylvania 5692 Brown Base NOS NIB Vacuum Tubes - 9% matched

lot of 5 Vintage Sylvania Vacuum Tubes In Boxes
$4.99

lot of 5 Vintage Sylvania Vacuum Tubes In Boxes

NOS SYLVANIA JAN TYPE 83 TUBE
$34.95

NOS SYLVANIA JAN TYPE 83 TUBE

New ListingVintage 5U4 GB vacuum tube tested strong
$5.95

New ListingVintage 5U4 GB vacuum tube tested strong

Matched Pair Sylvania 6SN7GTA Black Plate Chrome Top Made in USA
$55.00

Matched Pair Sylvania 6SN7GTA Black Plate Chrome Top Made in USA

Sylvania NOS 6BA6 Vacuum Tube Tested
$12.00

Sylvania NOS 6BA6 Vacuum Tube Tested

New ListingOne 1948 Sylvania/Hytron 6L6GA tube - Hickok TV7B tested @ 44, min:25
$40.95

New ListingOne 1948 Sylvania/Hytron 6L6GA tube - Hickok TV7B tested @ 44, min:25

Ultra Rare WW2 CV6 7193 GEC Made In England With Adopter WW2 6SN7GT Qty 1MP
$155.00

Ultra Rare WW2 CV6 7193 GEC Made In England With Adopter WW2 6SN7GT Qty 1MP

1 strong metal sylvania 6V6 tube #FC10
$2.99

1 strong metal sylvania 6V6 tube #FC10

(23) 12Bh7A Vacuum Tubes Ge,Sylvania,Penta,tung-sol,RCA
$50.00

(23) 12Bh7A Vacuum Tubes Ge,Sylvania,Penta,tung-sol,RCA

New ListingLot of 24 Assorted Vacuum Tubes - Untested
$9.50

New ListingLot of 24 Assorted Vacuum Tubes - Untested

4 Nice Tested Vintage GE & RCA-made 6973 Audio/Juke Box Vacuum Tubes....1 Money!
$79.99

4 Nice Tested Vintage GE & RCA-made 6973 Audio/Juke Box Vacuum Tubes....1 Money!

MATCHED PAIR SYLVANIA 6SN7GT Flat Plate Foil D VACUUM TUBES TEST Strong L.10497
$84.95

MATCHED PAIR SYLVANIA 6SN7GT Flat Plate Foil D VACUUM TUBES TEST Strong L.10497

2 NOS Sylvania USA Black plate Gold pin 6201 12AT7 Vacuum Tubes balanced plates!
$68.88

2 NOS Sylvania USA Black plate Gold pin 6201 12AT7 Vacuum Tubes balanced plates!

New ListingVintage Lot 56 Vacuum Tubes Untested Various Brands RCA , GE, Motorola, Sylvania
$28.95

New ListingVintage Lot 56 Vacuum Tubes Untested Various Brands RCA , GE, Motorola, Sylvania

7 lot VACUUM TUBES. OA3/OC3/OC3W/OD3W. MARSHALL-RCA-SYLVANIA-HYTRON.NOT TESTED
$2.00

7 lot VACUUM TUBES. OA3/OC3/OC3W/OD3W. MARSHALL-RCA-SYLVANIA-HYTRON.NOT TESTED

Matched Pair of Sylvania 6V6GT NOS NIB Spring Top 1946 Vacuum Tubes
$100.00

Matched Pair of Sylvania 6V6GT NOS NIB Spring Top 1946 Vacuum Tubes

Matched Quad of Sylvania #45 NOS NIB 1942 Vacuum Tubes
$650.00

Matched Quad of Sylvania #45 NOS NIB 1942 Vacuum Tubes

2 x 6L6GC Sylvania Tubes*Super Strong Matched Pair*1964/1965
$99.99

2 x 6L6GC Sylvania Tubes*Super Strong Matched Pair*1964/1965

2 strong new in the box Sylvania 6189 12au7 tubes #FC25
$9.99

2 strong new in the box Sylvania 6189 12au7 tubes #FC25

1 x #83 RCA/Sylvania Tube *Black Plates*Hanging Filament*NOS*NIB*(4 Avail)
$50.00

1 x #83 RCA/Sylvania Tube *Black Plates*Hanging Filament*NOS*NIB*(4 Avail)

2 strong mil spec sylvania 5931 / 5U4 tubes #FD1
$9.99

2 strong mil spec sylvania 5931 / 5U4 tubes #FD1

2 x 12AX7 Sylvania Tubes *Long Black Plates-D* Strong Matched pair*
$69.99

2 x 12AX7 Sylvania Tubes *Long Black Plates-D* Strong Matched pair*

1 strong new in box tungsol black plate 6V6GTA / 6V6 tube #FC12
$9.99

1 strong new in box tungsol black plate 6V6GTA / 6V6 tube #FC12

6L6GA Sylvania / Rebrand Audio Receiver Vacuum Tubes Tested Pair
$26.99

6L6GA Sylvania / Rebrand Audio Receiver Vacuum Tubes Tested Pair

1 strong new in b ox sylvania black plate 7N7 tube #FC1
$7.99

1 strong new in b ox sylvania black plate 7N7 tube #FC1

Strong Pair Matched JAN CHS 6SL7WGT preamp vacuum tubes - Tested nos
$84.99

Strong Pair Matched JAN CHS 6SL7WGT preamp vacuum tubes - Tested nos

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sylvania 6550 pictures, price, brand, reviews and sylvania 6550 hot sales items, totally found 91 sylvania 6550 related items prices, page updating time: 2023-03-16.