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2 excellent rare rugged current matched sylvania STR 418 / 6550 tubes #6

End: 29.09. 2019 04:33:53 on Sunday
  • Condition: New
  • Price: 91.34 EUR Auktion
  • Status: sold
  • Item number: 163878326943
  • Counter: 21
  • Bids: 1
  • Seller: laurferre51 (172|100.0%)
  • Seller information: non commercial
  • Item location: Belpre, Ohio USA
  • Ships to: US
  • Shipping: 22,73 EUR
  • on EBAY

Vintage pair Sylvania 6550 Metal Base Power Tubes

End: 27.09. 2019 03:23:05 on Friday
  • Condition: New
  • Price: 165.63 EUR FESTPREIS
  • Status: sold
  • Item number: 113880216785
  • Counter: 99
  • Seller: micrental (10223|99.8%)
  • Seller information: Commercial (with base shop)
  • Item location: Portland, Oregon USA
  • Ships to: Worldwide
  • Shipping: 32,5 EUR
  • on EBAY

(1) Sylvania Type 6550 Vacuum Tube (Tested Good on TV-11)

End: 25.09. 2019 23:26:02 on Wednesday
  • Condition: Used
  • Price: 36.64 EUR Auktion
  • Status: sold
  • Item number: 163879376372
  • Counter: 14
  • Bids: 1
  • Seller: testequip4sale (2542|100.0%)
  • Seller information: non commercial
  • Item location: Pottstown, Pennsylvania USA
  • Ships to: US
  • Shipping: 23,42 EUR
  • on EBAY

Sylvania 6550 Vintage Vacuum Tube Pair Gray Plates Tested NOS (Matched 11.3 mA)

End: 20.09. 2019 17:49:28 on Friday
  • Condition: Used
  • Price: 134.29 EUR FESTPREIS
  • Status: sold
  • Item number: 202782603386
  • Counter: 32
  • Seller: hamandhifi (17101|99.8%)
  • Seller information: Commercial (with base shop)
  • Item location: Sparks, Nevada USA
  • Ships to: Worldwide
  • Shipping: 17,9 EUR
  • on EBAY

Matched Pair of Sylvania 6550 Vacuum Tubes

End: 05.09. 2019 04:01:09 on Thursday
  • Condition: New
  • Price: 137.09 EUR FESTPREIS
  • Status: sold
  • Item number: 223639981610
  • Counter: 52
  • Seller: tubetroniks (4486|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Ashland, Oregon USA
  • Ships to: Worldwide
  • Shipping: 21,6 EUR
  • on EBAY

6550 KT88 Sylvania for Dumont Audio Receiver Guitar Vacuum Tubes

End: 05.09. 2019 03:17:37 on Thursday
  • Condition: New
  • Price: 57.12 EUR Auktion
  • Status: sold
  • Item number: 143367582704
  • Counter: 92
  • Bids: 4
  • Seller: chukv (11400|99.9%)
  • Seller information: Commercial (with base shop)
  • Item location: Westwood, Massachusetts USA
  • Ships to: Worldwide
  • Shipping: 21,67 EUR
  • on EBAY

(8) NOS NIB to 100% Sylvania/Other 6L6GB, 6L6GC + Free 6550 & 7581 Audio Tube

End: 04.09. 2019 17:04:20 on Wednesday
  • Condition: New
  • Price: 113.8 EUR FESTPREIS
  • Status: sold
  • Item number: 153629396489
  • Counter: 29
  • Seller: millerstubes (7774|100.0%)
  • Seller information: non commercial
  • Item location: Salem, Oregon USA
  • Ships to: Worldwide
  • Shipping: 46,7 EUR
  • on EBAY

SYLVANIA TUNG SOL 6550 TUBE SOLID PLATE 3 HALO GETTER AMPLITREX TESTED

End: 30.08. 2019 19:02:20 on Friday
  • Condition: Vom Verkäufer generell überholt
  • Price: 63.48 EUR FESTPREIS
  • Status: sold
  • Item number: 113869013743
  • Counter: 65
  • Seller: bandit35 (7100|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Harmonsburg, Pennsylvania USA
  • Ships to: Worldwide
  • Shipping: 21,62 EUR
  • on EBAY

6550 Sylvania USA 1 piece imperfect NOS tube valve

End: 27.08. 2019 18:41:16 on Tuesday
  • Condition: New: Other
  • Price: 66.96 EUR FESTPREIS
  • Status: sold
  • Item number: 173956092448
  • Counter: 220
  • Seller: billington784961 (2853|100.0%)
  • Seller information: Commercial
  • Item location: Billingshurst Großbritannien
  • Ships to: Americas
  • Shipping: 5,5 EUR
  • on EBAY

6550 SYLVANIA NOS PAIR VALVE/TUBE (LC83)

End: 20.08. 2019 12:52:06 on Tuesday
  • Condition: New
  • Price: 140.51 EUR FESTPREIS
  • Status: sold
  • Item number: 264430766494
  • Counter: 181
  • Seller: yitry (53524|100.0%)
  • Seller information: Commercial
  • Item location: Billingshurst Großbritannien
  • Ships to: Worldwide
  • Shipping: 5,0 EUR
  • on EBAY

Pair Tung Sol 6550 KT88 Gray Plate Sylvania Branded Vacuum Tube

End: 16.08. 2019 07:40:33 on Friday
  • Condition: New: Other
  • Price: 248.06 EUR FESTPREIS
  • Status: sold
  • Item number: 264431576926
  • Counter: 48
  • Seller: jaaelectronics (4941|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Santa Ana, California USA
  • Ships to: US
  • Shipping: 27,52 EUR
  • on EBAY

2 excellent very strong sylvania welded plate 6550 tubes # 50036

End: 05.08. 2019 04:47:14 on Monday
  • Condition: Used
  • Price: 90.06 EUR Auktion
  • Status: sold
  • Item number: 264414846337
  • Counter: 91
  • Bids: 1
  • Seller: laurferre_33 (2702|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Belpre, Ohio USA
  • Ships to: US
  • Shipping: 22,44 EUR
  • on EBAY

Vintage valves vacuum tubes 6550. Sylvania.

End: 04.08. 2019 00:50:53 on Sunday
  • Condition: Used
  • Price: 44.14 EUR FESTPREIS
  • Status: sold
  • Item number: 163796057437
  • Counter: 75
  • Seller: ukgolfbidder (105|98.1%)
  • Seller information: non commercial
  • Item location: Esher Großbritannien
  • Ships to: Worldwide
  • Shipping: 5,0 EUR
  • on EBAY

Vintage pair 1970s Sylvania for RCA triple-getter 6550 Metal Base Power Tubes

End: 03.08. 2019 02:45:04 on Saturday
  • Condition: New: Other
  • Price: 169.62 EUR FESTPREIS
  • Status: sold
  • Item number: 352689946156
  • Counter: 157
  • Seller: micrental (10070|99.9%)
  • Seller information: Commercial (with base shop)
  • Item location: Portland, Oregon USA
  • Ships to: Worldwide
  • Shipping: 31,73 EUR
  • on EBAY

Matched Quad 6550 Sylvania Power Pentodes - 3 From Same 1976 Batch Test NOS 539C

End: 29.07. 2019 04:14:52 on Monday
  • Condition: New
  • Price: 150.54 EUR Auktion
  • Status: sold
  • Item number: 293162586916
  • Counter: 71
  • Bids: 15
  • Seller: gotham_analog (931|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Fredericksburg, Virginia USA
  • Ships to: US
  • Shipping: 29,37 EUR
  • on EBAY

Vintage valves vacuum tubes 6550. Possibly Sylvania

End: 26.07. 2019 14:44:18 on Friday
  • Condition: Used
  • Price: 17.92 EUR Auktion
  • Status: sold
  • Item number: 193001574239
  • Counter: 70
  • Bids: 3
  • Seller: jraaka (301|100.0%)
  • Seller information: non commercial
  • Item location: Beverley Großbritannien
  • Ships to: GB
  • Shipping: 2,9 EUR
  • on EBAY

1 excellent welded plate sylvania 6550 tube #40015

End: 21.07. 2019 04:51:05 on Sunday
  • Condition: Used
  • Price: 44.55 EUR Auktion
  • Status: sold
  • Item number: 264399610117
  • Counter: 35
  • Bids: 1
  • Seller: laurferre_33 (2679|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Belpre, Ohio USA
  • Ships to: US
  • Shipping: 15,54 EUR
  • on EBAY

SYLVANIA 6550 TRIPLE GETTERS/GRAY PLATES MADE in USA - AT1000 TESTS as NOS KT-88

End: 12.07. 2019 10:06:20 on Friday
  • Condition: New
  • Price: 37.73 EUR FESTPREIS
  • Status: sold
  • Item number: 264394365226
  • Counter: 12
  • Seller: nova.76 (1073|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Brunswick, Maryland USA
  • Ships to: Worldwide
  • Shipping: 13,86 EUR
  • on EBAY

Vintage valves vacuum tubes 6550. Sylvania.

End: 10.07. 2019 15:43:12 on Wednesday
  • Condition: Used
  • Price: 44.44 EUR Auktion
  • Status: sold
  • Item number: 192982467736
  • Counter: 27
  • Bids: 1
  • Seller: jraaka (299|100.0%)
  • Seller information: non commercial
  • Item location: Beverley Großbritannien
  • Ships to: GB
  • Shipping: 2,9 EUR
  • on EBAY

Pair of 6550 Power Amp Tubes - Tung sol (One labeled Sylvania) - Good & Strong.

End: 07.07. 2019 17:06:13 on Sunday
  • Condition: Used
  • Price: 98.32 EUR FESTPREIS
  • Status: sold
  • Item number: 192979048101
  • Counter: 29
  • Seller: filippie (8805|99.8%)
  • Seller information: Commercial (with base shop)
  • Item location: Sykesville, Maryland USA
  • Ships to: Worldwide
  • Shipping: 21,27 EUR
  • on EBAY

2 Vintage Sylvania 6550 KT88 3-Hole Grey Plate OOO Matched Amp Tube Pair

End: 02.07. 2019 04:35:55 on Tuesday
  • Condition: New
  • Price: 144.38 EUR Auktion
  • Status: sold
  • Item number: 223564664510
  • Counter: 245
  • Bids: 45
  • Seller: gadget-guy (9947|100.0%)
  • Seller information: non commercial
  • Item location: Seattle, Washington USA
  • Ships to: Worldwide
  • Shipping: 20,15 EUR
  • on EBAY

1 x 6550 Tung Sol (Sylvania Branded) Vacuum Tube

End: 01.07. 2019 04:50:17 on Monday
  • Condition: Used
  • Price: 52.69 EUR Auktion
  • Status: sold
  • Item number: 113795029964
  • Counter: 77
  • Bids: 6
  • Seller: no_substitute_for_vacuum_tubes (450|100.0%)
  • Seller information: non commercial
  • Item location: San Diego, California USA
  • Ships to: US
  • Shipping: 18,9 EUR
  • on EBAY

(6x) SYLVANIA brand 6550 tubes, used

End: 27.06. 2019 10:00:49 on Thursday
  • Condition: New
  • Price: 247.88 EUR Auktion
  • Status: sold
  • Item number: 283521937261
  • Counter: 114
  • Bids: 8
  • Seller: jeaustin2 (4029|100.0%)
  • Seller information: non commercial
  • Item location: Austin, Texas USA
  • Ships to: Worldwide
  • Shipping: 14,57 EUR
  • on EBAY

Matched Pair 6550 Sylvania Power Pentodes - Same 1976 Batch - Test NOS On 539C

End: 24.06. 2019 02:26:11 on Monday
  • Condition: New
  • Price: 79.49 EUR Auktion
  • Status: sold
  • Item number: 293125032157
  • Counter: 22
  • Bids: 1
  • Seller: gotham_analog (824|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Fredericksburg, Virginia USA
  • Ships to: Worldwide
  • Shipping: 22,35 EUR
  • on EBAY