6l6 tube for under $300

Find me a for under $

  • NOS MESA BOOGIE *QUAD* STR 430 6L6GC 4 TUBES TESTED VALVES MATCHED

    NOS MESA BOOGIE *QUAD* STR 430 6L6GC 4 TUBES TESTED VALVES MATCHED

    $79.99

  • Sylvania 6L6GC Tube TV-7 Tested

    Sylvania 6L6GC Tube TV-7 Tested

    $33

  • PAIR Factory Platinum Matched Genalex Gold Lion KT66 KT-66 6L6 Tube 24hr Burn-in

    PAIR Factory Platinum Matched Genalex Gold Lion KT66 KT-66 6L6 Tube 24hr Burn-in

    $66.95

  • NEW 6L6GC *QUAD* STR 420 COKE BOTTLE Tubes by Shuguang 6L6 5881 MATCHED TESTED

    NEW 6L6GC *QUAD* STR 420 COKE BOTTLE Tubes by Shuguang 6L6 5881 MATCHED TESTED

    $31.99

  • NOS NIB Sylvania Tall Bottle 6L6GC USA Made Tube - Tested

    NOS NIB Sylvania Tall Bottle 6L6GC USA Made Tube - Tested

    $45

  • Matching Pair-Sylvania 6L6G amplifier tubes.TV-7 test strong.

    Matching Pair-Sylvania 6L6G amplifier tubes.TV-7 test strong.

    $9.99

  • **Matched Pair** RCA 6L6GC black plate power amplifier tubes.  TV-7 test NOS.

    **Matched Pair** RCA 6L6GC black plate power amplifier tubes. TV-7 test NOS.

    $32

  • Used RCA 6L6GC Vacuum Tube; Short Bottle Black Plate Side Getter USA Tested (94)

    Used RCA 6L6GC Vacuum Tube; Short Bottle Black Plate Side Getter USA Tested (94)

    $27

  • Identical Matched Pair-RCA 6L6G smoked glass amplifier tubes. TV-7 test NOS.

    Identical Matched Pair-RCA 6L6G smoked glass amplifier tubes. TV-7 test NOS.

    $31

  • NOS SOVTEK 6L6GC PAIR (2) Tubes 6L6 VALVES MATCHED - TESTED Hard to find!

    NOS SOVTEK 6L6GC PAIR (2) Tubes 6L6 VALVES MATCHED - TESTED Hard to find!

    $17.99

  •  6L6 WGB Vintage Tube Sylvania Made in USA

    6L6 WGB Vintage Tube Sylvania Made in USA

    $19.95

  • Quad of 6L6GC tubes

    Quad of 6L6GC tubes

    $50

  • 1959 GE 6L6GC Vacuum Tube; Short Bottle Dual Side Getter USA Tested (100)

    1959 GE 6L6GC Vacuum Tube; Short Bottle Dual Side Getter USA Tested (100)

    $34

  • (2x) NEW 6L6GC JJ / Tesla Audio Output Tubes - VERIFIED MATCHED PAIR

    (2x) NEW 6L6GC JJ / Tesla Audio Output Tubes - VERIFIED MATCHED PAIR

    $36.99

  • Lot of 7 Vintage 6L6 Tubes

    Lot of 7 Vintage 6L6 Tubes

    $52

  • 2 RCA 6L6GC Black Plate Tubes

    2 RCA 6L6GC Black Plate Tubes " Holy Grail " Single Side Halo Getters

    $0.33

  • 1957 GE 6L6GB Vacuum Tube; Black Plate D Getter USA Tested (85) Glass Debris

    1957 GE 6L6GB Vacuum Tube; Black Plate D Getter USA Tested (85) Glass Debris

    $22

  • 6L6G POWER AMPLIFIER TUBE, USED TESTED STRONG.

    6L6G POWER AMPLIFIER TUBE, USED TESTED STRONG.

    $14

  • Poor cosmetic Sylvania 6L6GC TUBE PAIR

    Poor cosmetic Sylvania 6L6GC TUBE PAIR

    $40

  • Vintage Matched Pair RCA 6L6GC Vacuum Tubes Black Plate 1969 1972 Made In USA

    Vintage Matched Pair RCA 6L6GC Vacuum Tubes Black Plate 1969 1972 Made In USA

    $9.99

  • New matched duet 6L6GC vacuum tubes $13.99/pair

    New matched duet 6L6GC vacuum tubes $13.99/pair

    $12.31

  • Matched Pair (2) Tung-Sol 5881 (6L6WGB) amplifier tubes. TV-7 test strong.

    Matched Pair (2) Tung-Sol 5881 (6L6WGB) amplifier tubes. TV-7 test strong.

    $22

  • 2 RCA 6L6GC Black Plate Tubes

    2 RCA 6L6GC Black Plate Tubes " Holy Grail " Single Side Halo Getters

    $26

  • KT66  6L6GC  NEW   GROOVE TUBES  Matched Pair No Reserve

    KT66 6L6GC NEW GROOVE TUBES Matched Pair No Reserve

    $0.99

  • (2) RCA 6L6GC TUBES

    (2) RCA 6L6GC TUBES

    $49.98

  • Tung-Sol 6L6GC Tube TV-7 Tested;

    Tung-Sol 6L6GC Tube TV-7 Tested;

    $33

  • 4 Vintage  6L6G 6L6 & 5U4G Vacuum tubes Mullard, Westinghouse and Marconi

    4 Vintage 6L6G 6L6 & 5U4G Vacuum tubes Mullard, Westinghouse and Marconi

    $11

  • (2x) 6L6GC Baldwin Tubes Vacuum Tube USA Piano Guitar Vintage

    (2x) 6L6GC Baldwin Tubes Vacuum Tube USA Piano Guitar Vintage

    $9.99

  • Mesa Engineering 5881-6L6 Power Tubes USED  (Lot 10)

    Mesa Engineering 5881-6L6 Power Tubes USED  (Lot 10)

    $10

  • 5 Ea- GE 6L6 Vacuum Tubes- Metal Jacket Version of the 6L6 Tube. Owensboro KY

    5 Ea- GE 6L6 Vacuum Tubes- Metal Jacket Version of the 6L6 Tube. Owensboro KY

    $65

  • Sylvania 6L6GB Black Plate Tube TV-7 Tested

    Sylvania 6L6GB Black Plate Tube TV-7 Tested

    $18

  • Tung-Sol Factory Platinum Matched PAIR  NEW NIB 5881 (6l6 type) tubes TWO

    Tung-Sol Factory Platinum Matched PAIR NEW NIB 5881 (6l6 type) tubes TWO

    $40.95

  • 2 TUNG SOL 6L6GC DOUBLE O GETTER TUBES

    2 TUNG SOL 6L6GC DOUBLE O GETTER TUBES

    $11

  • New 2x Sovtek 5881 / 6L6WGC / 6L6 | Matched Pair / Duet / Two | Power Tubes

    New 2x Sovtek 5881 / 6L6WGC / 6L6 | Matched Pair / Duet / Two | Power Tubes

    $33

  • NEW 6L6GC *Pair* COKE BOTTLE ST Tubes Shuguang Valves 6L6 5881 MATCHED TESTED

    NEW 6L6GC *Pair* COKE BOTTLE ST Tubes Shuguang Valves 6L6 5881 MATCHED TESTED

    $17.99

  • tube amp 25-35 watt output transformers PP EL84 6L6 EL34.. DISCONTINUED SELLOUT

    tube amp 25-35 watt output transformers PP EL84 6L6 EL34.. DISCONTINUED SELLOUT

    $29.99

  • 6L6 (2) RCA NOS TESTED  VACUUM TUBES (P72)

    6L6 (2) RCA NOS TESTED VACUUM TUBES (P72)

    $9.99

  • 2 RCA 5881 Tubes Brown Bases Mica Snubbers Triple D Getters 6L6WGB

    2 RCA 5881 Tubes Brown Bases Mica Snubbers Triple D Getters 6L6WGB

    $0.33

  • Matched Pair of RCA Coke Bottle Smoked Glass 6L6G Tubes * Same Date Code *

    Matched Pair of RCA Coke Bottle Smoked Glass 6L6G Tubes * Same Date Code *

    $19.99

  • NOS Ruby 6L6GCMSTR Matched QUAD Tubes 6L6 Valves- Tested and tightly matched

    NOS Ruby 6L6GCMSTR Matched QUAD Tubes 6L6 Valves- Tested and tightly matched

    $49.99

  • Matched Pair-NIB Philips (Sylvania) 7581A (KT66/6L6GC) amplifiers tubes.  NOS.

    Matched Pair-NIB Philips (Sylvania) 7581A (KT66/6L6GC) amplifiers tubes. NOS.

    $99.99

  • NOS new matched quad of 6L6GC vacuum tubes $29.99/quartet

    NOS new matched quad of 6L6GC vacuum tubes $29.99/quartet

    $26.39

  • Mesa Boogie 6L6GC STR-415 Tubes, Big Bottle, Dual-Angled Getters OO, Sylvania NR

    Mesa Boogie 6L6GC STR-415 Tubes, Big Bottle, Dual-Angled Getters OO, Sylvania NR

    $21

  • Pair of Baldwin / Tung Sol Japan 6L6GC  Vintage  power Tubes LOT 18

    Pair of Baldwin / Tung Sol Japan 6L6GC  Vintage  power Tubes LOT 18

    $10

  • BENDIX JAN 6384 VINTAGE VACUUM TUBE BLACK PLATES NOS 6L6GC QUAD AVAILABLE

    BENDIX JAN 6384 VINTAGE VACUUM TUBE BLACK PLATES NOS 6L6GC QUAD AVAILABLE

    $79

  • 2 Vintage Sylvania 6L6 GB Black Plate Vacuum Tubes Amplitrex Tested

    2 Vintage Sylvania 6L6 GB Black Plate Vacuum Tubes Amplitrex Tested

    $34.99

  • NEW / NOS Svetlana 6L6GC / 6L6 Matched Pair 2004 TUBES VALVES Brand NEW in Box

    NEW / NOS Svetlana 6L6GC / 6L6 Matched Pair 2004 TUBES VALVES Brand NEW in Box

    $38.99

  • 4 New Matched Sovtek 6L6GC Audio Tubes Russia

    4 New Matched Sovtek 6L6GC Audio Tubes Russia

    $69

  • Two Hytron 6L6GX Ceramic Based Transmitting Tubes

    Two Hytron 6L6GX Ceramic Based Transmitting Tubes

    $49.99

  • RCA 6l6gc Black Plate True New Old Stock Gem Vacuum Tube tests 52/25 on TV7-d/u

    RCA 6l6gc Black Plate True New Old Stock Gem Vacuum Tube tests 52/25 on TV7-d/u

    $75