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100 Good Strong Sylvania 5687WA & 5687WB Audio Tubes for Amplifier DIY! (5687) $499.99 |
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100 Good Strong JAN Sylvania 5814A Audio Tubes for Amplifier DIY! (5814) $499.99 |
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Sylvania 6V6GT Blackplate tube quad tested strong 1964 $99.95 |
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1951,52′s Matched Pair Sylvania-6V6GT- Very Strong Vacuum Tubes NOS $98.00 |
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1960′s Matched Pair-Sylvania 6L6GC Very Strong Vacuum Tubes $96.00 |
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Vintage Matched Pair-Sylvania-JAN-CHS-6L6GA Strong Vacuum Tubes $96.00 |
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1967′s Matched Pair Sylvania Hammond 7591A Strong Tubes $92.00 |
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3 Strong Sylvania made Black Glass FAT Bottle Black Plate D Getter 6L6G Tubes $89.99 |
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3 Strong 6LR6 Tubes – 1 NOS GE , 1 NOS Sylvania a& 1 strong used RCA $89.99 |
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2 Strong Matched Sylvania 6LX6 Tubes – Very Hot tubes! $89.99 |
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7 Strong Assorted 5687 Tubes – 3 Sylvania , 2 Tung-Sol , 1 RCA & 1 GE $89.99 |
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2-1953,59′s Sylvania 6SN7GT 3 Hole “Bad Boy” Back Plate Strong Vacuum Tubes $88.00 |
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QUAD SYLVANIA 6DJ8 VACUUM TUBE TESTED STRONG USA $80.00 |
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2 Strong Sylvania Long Gray Plate O Getter 12AX7A / ECC83 / 7025 Tubes $79.99 |
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Vintage Matched Pair Sylvania-6V6GT- Very Strong Vacuum Tubes $76.00 |
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2 Strong Sylvania FAT Bottle Black Plate D Getter 6L6 GA Tubes $71.99 |
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1-1952′s Sylvania-JAN-CHS 6SN7WGT “Bad Boy” 3 Hole Back Plate Strong Tube $68.00 |
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A3338 STRONG PAIR SYLVANIA 5U4G TUBES Ship US=$3.80 Inter=$11.60 $65.00 |
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3 Vintage Sylvania 6U8 Copper Post Stereo Tubes Strong #-aU*#F $63.99 |
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2 Strong Sylvania Long Gray Plate O Getter 12AX7 WA Military Issue Tubes $59.99 |
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3 Sylvania Jan 6DJ8 ECC88 NOS Vacuum Tubes Tested Strong AUDIO HAM RADIO AMP $59.99 |
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Sylvania 6L6 / 6L6 GB Black plate 1 piece Tested strong ! $59.99 |
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2 Strong Matched Sylvania Long Gray Plate O Getter 12AX7 Tubes $59.99 |
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Sylvania 6V6GT Blackplate tube pair tested Very strong 1950′s/1960′s $59.95 |
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Sylvania Tall Glass Black Plate 6SN7GT 6SN7 strong matched pair $59.00 |
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1-Vintage Sylvania-6B4G-Bllack Plate Strong Tube $56.00 |
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Sylvania 6SN7W short bottle Single Tube mil spec strong $55.00 |
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Sylvania 6V6GT Blackplate tube pair tested strong 1960 312 code Sylvania Hygrade $54.95 |
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2 Vintage Sylvania 12AX7 ECC83 Stereo Tubes Strong $53.99 |
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2 Strong Matched Sylvania Long Gray Plate O Getter 12AX7 / ECC83 Tubes $53.99 |
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2 Vintage Sylvania 12AX7 Tubes – Test NOS Strong – Same Date – USA – Green $50.00 |
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2 VINTAGE SYLVANIA 6SN7 MATCHED PAIR VACUUM TUBES TESTED STRONG AUDIO RADIO AMP $49.99 |
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4 Strong Baldwin by Sylvania Long Gray Plate O Getter 12AU7A Tubes – Nice QUAD $49.99 |
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3 Vintage GE/RCA/Sylvania 6SN7GTA 6SN7 Tubes STRONG $48.00 |
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2 Strong Matched ANOS Sylvania Gray Plate O Getter 6EU7 Tubes $44.99 |
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2 Vintage Sylvania 6BQ5/EL84 – Test Strong – 1962 $44.99 |
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Sylvania Chrome Dome 6SN7GTA 6SN7GT 6SN7 VT231 black plate match strong pair $43.00 |
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Vintage Sylvania 6SN7 GT Stereo Tube V Strong Matched #mjhgg $42.99 |
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2 VINTAGE SYLVANIA JAN 6DJ8 NOS VACUUM TUBES TESTED STRONG AUDIO HAM RADIO AMP $39.99 |
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2 Vintage Sylvania 12bz7 Black Pts. Stereo Tubes Strong #4iuol $39.99 |
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Vintage SYLVANIA 6SN7 -GTB -Strong- MATCHED SET $39.95 |
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Strong Used Pair (2) Sylvania USA 6SN7GTB Black T Angled Plate Chrome Dome 6SN7 $39.95 |
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2 Vintage Sylvania 12AU7 A ECC82 Stereo Tubes Very Strong & Matched $37.99 |
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2 tubes #80 rectifier tube Tung-Sol & Sylvania 80 test strong + balanced + Life $37.99 |
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Vintage Sylvania 6SL7 GT Very Strong Stereo Tube $36.99 |
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Vintage Sylvania 6V6 GTA Smoked Stereo Tube Strong $36.99 |
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Strong Sylvania Gold Pin Gray Plate O Getter GB – 6DJ8 Tube $35.99 |
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Sylvania Branded6V6 GT 6V6GTA Coin Base Black Plate *RARE* Tested Strong! RCA ? $34.99 |
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Sylvania 12AU7′s Nice quad tested strong &, matched ! $34.99 |
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2 Strong Matched HAMMOND by Sylvania Long Gray Plate O Getter 12AU7A Tubes $34.99 |
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5- Sylvania 6K7 6K7gt VT-86 Signal Corps Tubes – Test Strong – Matched $34.95 |
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Vintage Sylvania 12AT7 ECC81 3 Mica D Getter Copper Post Stereo Tube 1959 Strong $32.99 |
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Single Sylvania 7868 Tube Fisher 400 Extremely Strong Tested 1960′s $32.00 |
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Strong Sylvania Black Plate D Getter FAT BOTTLE 6L6GA Tube – code: A6S $31.49 |
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Sylvania rare green print VT231 6SN7GT 6SN7 strong matched used pair $31.00 |
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Sylvania Chrome Dome 6SN7GTB 6SN7GT 6SN7 VT231 rare grey plate match strong pair $31.00 |
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1 GOOD Strong Sylvania VT 146 JAN IN5GT Military TUBE MADE IN THE USA IN BOX $30.00 |
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1955 QUAD OF SYLVANIA BLACK PLATE 12AU7A TUBES WITH STRONG TEST READINGS. $29.99 |
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2 VINTAGE SYLVANIA 7695 NOS VACUUM TUBES TESTED STRONG AUDIO HAM RADIO $29.99 |
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2 VINTAGE SYLVANIA 12SN7 GT NOS VACUUM TUBES TESTED STRONG AUDIO HAM RADIO $29.99 |
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VINTAGE SYLVANIA 6SN7GT NOS VACUUM STEREO TUBE TESTED STRONG $29.99 |
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VINTAGE SYLVANIA JAN CHS 6SL7 WGT RARE BROWN BASE NOS VACUUM TUBE TESTED STRONG $29.99 |
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2 VINTAGE SYLVANIA 6A8G VACUUM TUBES TESTED STRONG AUDIO HAM RADIO $29.99 |
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Vintage strong & Balanced Sylvania Balanin Copper posts Halo getter Stereo Tube $29.99 |
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2 VINTAGE SYLVANIA 5Y3GT VACUUM TUBES TESTED STRONG AUDIO HAM RADIO $29.99 |
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Vintage Sylvania 12AX7 ECC83 Long Plates Stereo Tube Very Strong & Balanced $29.99 |
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Vintage Sylvania 6L6 Smoked Stereo Tube ~ Strong #bgvc $29.99 |
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VINTAGE 1966 SYLVANIA 6CG7 NOS MIL SPEC VACUUM TUBE TEST STRONG AUDIO RADIO AMP $29.99 |
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Strong NOS Matched Pair Sylvania USA 12AX7 / ECC83 Gray Plate O Getter $29.95 |
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Vintage Sylvania 12bh7 A Strong Box Getter Stereo Tube $28.99 |
Strong Sylvania
Interview with Sylvania’s Michelle Strong at 2011 Disneyland Holiday Lighting Ceremony
