B431 Six Sylvania 12AU7 ECC82 Audio/Radio Tubes
VINTAGE US ARMY NAVY SYLVANIA RADIO TUBE VT-124 NR!
SYLVANIA TUBE TYPE VT-115A/6L6G/6L6 NOS
New Sylvania Black Plate 6X5GT Tube - NOS
4 SYLVANIA JAN 12AT7WA 12AT7A Tubes Tested! buy it $49.95
ECC83/12ax7a (x4) Sylvania matched QUAD
Sylvania 6SN7 GTB VT231 Black Plate Chrome Top Tube BIN
SYLVANIA TYPE 83 TUBE
SYLVANIA TYPE 83 TUBE
SYLVANIA JAN CHS 6SL7WGT GREY PLATE BROWN BASE
JAN SYLVANIA 6SN7WGTA BROWN BASE 6SN7 MATCHED NOS
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B442 One Sylvania JAN CHS 80 VT-80 Audio/Radio Tube
B487 Two Sylvania Brown Base 6SL7 WGT Audio/Radio Tubes
RCA RADIO POWER AMPLIFIER TUBE 6V6G/VT-107-B/6v6
New Sylvania 6J7 Tube - NOS
M/PAIR MIL SPEC SYLV GOLD LABEL JHS 12AT7WA TUBES 12AT7
FIVE VINTAGE DELCO SYLVANIA 12V6 6V6 AMPLIFIER TUBE
5U4G Pair Sylvania Black Plates Tested No Reserve
4 Sylvania 12AX7 Long Plate Tubes - 1961 Baldwin
7868 Bogen by Sylvania Audio output tube tests as NOS
MATCHED QUAD 8417's GENERAL ELECTRIC
Vintage Electronic Tube - Sylvania - 6JS6C - NEW RARE
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B444 Sylvania Metal Base 6SN7 A 6SN7A Audio/Radio Tube
B516 One NOS Sylvania 6BQ5 EL84 Audio/Radio Tube
SYLVANIA TUBE 12AX7WA/ECC83/7025 BLACK PLATE TRIPL MICA
4 SYLVANIA JAN 5963 Dual Triode Tubes Sub for 12AU7A buy it $27.95
SYLVANIA 5U4gb Audio Vacuum Tubes TWO (pair) U.S.A vgc
1960's Sylvania NOS 12AX7 Vacuum Tube TESTED Red Print buy it $19.95
Sylvania-set of four vintage JAN CHS 6B4G vacuum tubes
PACK of 5 SYLVANIA ELECTRON TUBE TUBES 6BL8 ECF80 NOS
SYLVANIA JAN CHS 6SL7WGT BLACK PLATE BROWN BASE
Vintage Sylvania 12AX7 O Getter Long Plate Vacuum Tube
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VINTAGE USN US NAVY RCA RADIO VACUUM TUBE 12K8 NR!
TRIO (3) Vintage 7868 TUBES, MADE IN USA! TEST GOOD!!
Sylvania Chrome Dome 6SN7GTB / 6SN7 Tube
PACK of 5 SYLVANIA ELECTRON TUBE TUBES 6BL8 ECF80 NOS
5963 Quad Sylvania T&M NR
1 NOS RCA JAN 6E5 "Magic Eye" Tube Tested! buy it $27.95
SYLVANIA TYPE 83 TUBE
4 Sylvania 12AX7 Long Plate Tubes - 1961 Baldwin
SYLVANIA JAN CHS 6SL7WGT BLACK PLATE BROWN BASE
91) Sylvania 6SN7 "Bad Boy" The Real One buy it $119.00
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