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Used and New Sylvania instruments
Archive listings
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 17, 2026, 11:51 am]](https://gsfanatic.com/aas_hirdetes/7/4/7/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-747587-1792230589-2703.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 17, 2026, 11:51 am]")
![Sylvania 12AU7 ECC82 NOS Vacuum tube kit [September 29, 2026, 10:50 am]](https://gsfanatic.com/aas_hirdetes/7/4/5/thumb/sylvania-12au7-ecc82-nos-elektroncso-szett-745839-1790671780-2915.webp "Sylvania 12AU7 ECC82 NOS Vacuum tube kit [September 29, 2026, 10:50 am]")
![Sylvania 12AU7 ECC82 NOS Vacuum tube kit [September 1, 2026, 4:58 pm]](https://gsfanatic.com/aas_hirdetes/7/4/3/thumb/sylvania-12au7-ecc82-nos-elektroncso-szett-743078-1788274646-4774.webp "Sylvania 12AU7 ECC82 NOS Vacuum tube kit [September 1, 2026, 4:58 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [September 1, 2026, 4:54 pm]](https://gsfanatic.com/aas_hirdetes/7/4/3/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-743073-1788274413-7254.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [September 1, 2026, 4:54 pm]")
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![Sylvania 6V6GTA NOS Vacuum tube kit [July 27, 2026, 4:52 pm]](https://gsfanatic.com/aas_hirdetes/7/3/9/thumb/sylvania-6v6gta-nos-elektroncso-szett-739816-1785163846-5799.webp "Sylvania 6V6GTA NOS Vacuum tube kit [July 27, 2026, 4:52 pm]")
![Sylvania 12AU7 ECC82 NOS Vacuum tube kit [July 1, 2026, 11:46 am]](https://gsfanatic.com/aas_hirdetes/7/3/7/thumb/sylvania-12au7-ecc82-nos-elektroncso-szett-737594-1782899136-8313.webp "Sylvania 12AU7 ECC82 NOS Vacuum tube kit [July 1, 2026, 11:46 am]")
![Sylvania 12AU7 ECC82 NOS Vacuum tube kit [June 14, 2026, 11:15 am]](https://gsfanatic.com/aas_hirdetes/7/3/6/thumb/sylvania-12au7-ecc82-nos-elektroncso-szett-736106-1781428503-0572.webp "Sylvania 12AU7 ECC82 NOS Vacuum tube kit [June 14, 2026, 11:15 am]")
![Sylvania 12AU7 ECC82 NOS Vacuum tube kit [May 18, 2026, 8:01 pm]](https://gsfanatic.com/aas_hirdetes/7/3/3/thumb/sylvania-12au7-ecc82-nos-elektroncso-szett-733812-1779127251-9883.webp "Sylvania 12AU7 ECC82 NOS Vacuum tube kit [May 18, 2026, 8:01 pm]")
![Sylvania 6V6GTA NOS Vacuum tube kit [April 14, 2026, 6:19 pm]](https://gsfanatic.com/aas_hirdetes/7/3/0/thumb/sylvania-6v6gta-nos-elektroncso-szett-730611-1776183518-41.webp "Sylvania 6V6GTA NOS Vacuum tube kit [April 14, 2026, 6:19 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 29, 2026, 6:38 pm]](https://gsfanatic.com/aas_hirdetes/7/2/9/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-729145-1774802239-9067.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 29, 2026, 6:38 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [March 29, 2026, 6:26 pm]](https://gsfanatic.com/aas_hirdetes/7/2/9/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-729140-1774801543-5822.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [March 29, 2026, 6:26 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 12, 2026, 1:42 pm]](https://gsfanatic.com/aas_hirdetes/7/2/7/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-727447-1773319279-3471.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 12, 2026, 1:42 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [March 12, 2026, 1:38 pm]](https://gsfanatic.com/aas_hirdetes/7/2/7/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-727445-1773319050-2231.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [March 12, 2026, 1:38 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [February 23, 2026, 8:41 pm]](https://gsfanatic.com/aas_hirdetes/7/2/5/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-725851-1771875453-6619.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [February 23, 2026, 8:41 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [February 4, 2026, 9:41 pm]](https://gsfanatic.com/aas_hirdetes/7/2/3/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-723880-1770237573-0248.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [February 4, 2026, 9:41 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [January 18, 2026, 12:21 pm]](https://gsfanatic.com/aas_hirdetes/7/2/2/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-722020-1768735217-1395.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [January 18, 2026, 12:21 pm]")
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![Sylvania 6V6GTA NOS NIB Vacuum tube kit [January 2, 2026, 11:02 am]](https://gsfanatic.com/aas_hirdetes/7/2/0/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-720539-1767348081-3411.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [January 2, 2026, 11:02 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [December 16, 2025, 6:23 pm]](https://gsfanatic.com/aas_hirdetes/7/1/9/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-719205-1765905742-6622.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [December 16, 2025, 6:23 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [November 30, 2025, 11:21 pm]](https://gsfanatic.com/aas_hirdetes/7/1/7/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-717492-1764541218-6991.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [November 30, 2025, 11:21 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [November 30, 2025, 11:18 pm]](https://gsfanatic.com/aas_hirdetes/7/1/7/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-717491-1764541048-6124.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [November 30, 2025, 11:18 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [November 15, 2025, 2:06 pm]](https://gsfanatic.com/aas_hirdetes/7/1/5/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-715811-1763211929-9768.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [November 15, 2025, 2:06 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [November 15, 2025, 2:02 pm]](https://gsfanatic.com/aas_hirdetes/7/1/5/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-715809-1763211691-2237.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [November 15, 2025, 2:02 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [October 30, 2025, 10:53 am]](https://gsfanatic.com/aas_hirdetes/7/1/4/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-714228-1761817991-9536.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [October 30, 2025, 10:53 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 30, 2025, 10:50 am]](https://gsfanatic.com/aas_hirdetes/7/1/4/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-714227-1761817779-798.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 30, 2025, 10:50 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 12, 2025, 12:12 pm]](https://gsfanatic.com/aas_hirdetes/7/1/2/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-712489-1760263872-7773.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [October 12, 2025, 12:12 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [October 12, 2025, 12:09 pm]](https://gsfanatic.com/aas_hirdetes/7/1/2/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-712488-1760263696-6193.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [October 12, 2025, 12:09 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [September 27, 2025, 10:59 am]](https://gsfanatic.com/aas_hirdetes/7/1/1/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-711069-1758963498-457.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [September 27, 2025, 10:59 am]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [September 27, 2025, 10:52 am]](https://gsfanatic.com/aas_hirdetes/7/1/1/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-711067-1758963095-532.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [September 27, 2025, 10:52 am]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [September 7, 2025, 10:55 am]](https://gsfanatic.com/aas_hirdetes/7/0/9/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-709160-1757235273-557.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [September 7, 2025, 10:55 am]")
![Sylvania 6V6GTA NOS Vacuum tube kit [September 7, 2025, 10:46 am]](https://gsfanatic.com/aas_hirdetes/7/0/9/thumb/sylvania-6v6gta-nos-elektroncso-szett-709156-1757234736-6358.webp "Sylvania 6V6GTA NOS Vacuum tube kit [September 7, 2025, 10:46 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [August 19, 2025, 10:10 am]](https://gsfanatic.com/aas_hirdetes/7/0/7/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-707200-1755590951-7212.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [August 19, 2025, 10:10 am]")
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![Sylvania 6SL7 GT NOS NIB Vacuum tube [August 19, 2025, 10:04 am]](https://gsfanatic.com/aas_hirdetes/7/0/7/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-707196-1755590640-7111.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [August 19, 2025, 10:04 am]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [August 3, 2025, 7:48 pm]](https://gsfanatic.com/aas_hirdetes/7/0/5/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-705726-1754243268-571.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [August 3, 2025, 7:48 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [August 3, 2025, 7:42 pm]](https://gsfanatic.com/aas_hirdetes/7/0/5/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-705724-1754242926-1227.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [August 3, 2025, 7:42 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [July 19, 2025, 11:29 am]](https://gsfanatic.com/aas_hirdetes/7/0/4/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-704366-1752917329-6231.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [July 19, 2025, 11:29 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [July 19, 2025, 11:20 am]](https://gsfanatic.com/aas_hirdetes/7/0/4/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-704364-1752916766-1248.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [July 19, 2025, 11:20 am]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [July 3, 2025, 10:53 am]](https://gsfanatic.com/aas_hirdetes/7/0/2/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-702822-1751532747-3865.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [July 3, 2025, 10:53 am]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [July 3, 2025, 10:46 am]](https://gsfanatic.com/aas_hirdetes/7/0/2/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-702819-1751532325-7331.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [July 3, 2025, 10:46 am]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [June 15, 2025, 12:43 pm]](https://gsfanatic.com/aas_hirdetes/7/0/1/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-701383-1749984145-2293.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [June 15, 2025, 12:43 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [June 15, 2025, 12:38 pm]](https://gsfanatic.com/aas_hirdetes/7/0/1/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-701379-1749983869-3723.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [June 15, 2025, 12:38 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [May 31, 2025, 12:00 pm]](https://gsfanatic.com/aas_hirdetes/7/0/0/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-700138-1748685612-9986.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [May 31, 2025, 12:00 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [May 31, 2025, 11:50 am]](https://gsfanatic.com/aas_hirdetes/7/0/0/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-700135-1748684979-0551.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [May 31, 2025, 11:50 am]")
![Sylvania 6SL7GT Vacuum tube [May 12, 2025, 3:23 pm]](https://gsfanatic.com/aas_hirdetes/6/9/8/thumb/sylvania-6sl7gt-elektroncso-698313-1747056136-9378.webp "Sylvania 6SL7GT Vacuum tube [May 12, 2025, 3:23 pm]")
![Sylvania 6V6GTA NOS Vacuum tube kit [May 12, 2025, 3:13 pm]](https://gsfanatic.com/aas_hirdetes/6/9/8/thumb/sylvania-6v6gta-nos-elektroncso-szett-698310-1747055546-7504.webp "Sylvania 6V6GTA NOS Vacuum tube kit [May 12, 2025, 3:13 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [April 23, 2025, 6:17 pm]](https://gsfanatic.com/aas_hirdetes/6/9/6/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-696518-1745425006-065.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [April 23, 2025, 6:17 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [April 23, 2025, 6:13 pm]](https://gsfanatic.com/aas_hirdetes/6/9/6/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-696516-1745424773-0295.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [April 23, 2025, 6:13 pm]")
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![Sylvania 6V6GTA NOS NIB Vacuum tube kit [April 8, 2025, 12:06 pm]](https://gsfanatic.com/aas_hirdetes/6/9/5/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-695135-1744106730-2203.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [April 8, 2025, 12:06 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [April 8, 2025, 12:02 pm]](https://gsfanatic.com/aas_hirdetes/6/9/5/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-695134-1744106520-8063.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [April 8, 2025, 12:02 pm]")
![Sylvania 6SL7 GT NOS NIB Vacuum tube [March 23, 2025, 12:46 pm]](https://gsfanatic.com/aas_hirdetes/6/9/3/thumb/sylvania-6sl7-gt-nos-nib-elektroncso-693257-1742730309-5401.webp "Sylvania 6SL7 GT NOS NIB Vacuum tube [March 23, 2025, 12:46 pm]")
![Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 23, 2025, 12:42 pm]](https://gsfanatic.com/aas_hirdetes/6/9/3/thumb/sylvania-6v6gta-nos-nib-elektroncso-szett-693256-1742730114-4729.webp "Sylvania 6V6GTA NOS NIB Vacuum tube kit [March 23, 2025, 12:42 pm]")
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