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Medium & Large

Medium & Large

Medium and Large power tubes, typically with Octal bases. 

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  • New Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes

    Electro-Harmonix

    $264.68
    New Plate Current Matched Quad of Electro-Harmonix 6550 Ceramic Vacuum Tubes The 6550EH is one of the finest new production tubes for any amp using 6550 or KT88. The 6550EH offers the maximum power of any 6550 with the linearity guitar and bass players...
    NP057-4
    $264.68
    Qty in Cart: 0
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    $264.68
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  • New Matched Quad (4) Psvane UK-KT88 Black Plate Vacuum Tubes

    New Matched Quad (4) Psvane UK-KT88 Black Plate Vacuum Tubes

    Psvane

    $319.99
    New Plate Current Matched Quad of Psvane UK-KT88 Black Plate Vacuum Tubes A new beam power tetrode KT88 by Matched Pair of Psvane featuring vintage-styled black plates modeling the classic British tones of the originals before it. It's hard to go wrong...
    NP238-4
    $319.99
    Qty in Cart: 0
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    $319.99
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  • New Matched Octet (8) Telefunken EL34-TK Reissue Vacuum Tubes

    New Matched Octet (8) Telefunken EL34-TK Reissue Vacuum Tubes

    Telefunken

    $601.53
    New Factory Matched Octet of Telefunken Black Diamond EL34-TK Reissue Vacuum Tubes The EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to...
    NP247-8
    $601.53
    Qty in Cart: 0
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    $601.53
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  • New Matched Sextet (6) Telefunken EL34-TK Reissue Vacuum Tubes

    New Matched Sextet (6) Telefunken EL34-TK Reissue Vacuum Tubes

    Telefunken

    $450.96
    New Factory Matched Sextet of Telefunken Black Diamond EL34-TK Reissue Vacuum Tubes The EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to...
    NP247-6
    $450.96
    Qty in Cart: 0
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    $450.96
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  • New Telefunken EL34-TK Reissue Vacuum Tube

    New Telefunken EL34-TK Reissue Vacuum Tube

    Telefunken

    $71.93
    New Factory Tested Telefunken Black Diamond EL34-TK Reissue Vacuum Tubes The EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to guitar and...
    NP247-1
    $71.93
    Qty in Cart: 0
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    $71.93
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  • New Matched Octet (8) Psvane KT66GC Vacuum Tubes- UK GEC KT66 Replica

    New Matched Octet (8) Psvane KT66GC GEC Genalex Replica Tubes

    Psvane

    $1,886.16
    New Plate Current Matched Octet of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...
    NP243-8
    $1,886.16
    Qty in Cart: 0
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    $1,886.16
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  • New Matched Sextet (6) Psvane KT66GC Vacuum Tubes- UK GEC KT66 Replica

    New Matched Sextet (6) Psvane KT66GC GEC Genalex Replica Tubes

    Psvane

    $1,417.35
    New Plate Current Matched Sextet of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...
    NP243-6
    $1,417.35
    Qty in Cart: 0
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    $1,417.35
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  • New Matched Quad (4) Psvane KT66GC Vacuum Tubes- UK GEC KT66 Replica

    New Matched Quad (4) Psvane KT66GC GEC Genalex Replica Tubes

    Psvane

    $945.62
    New Plate Current Matched Quad of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...
    NP243-4
    $945.62
    Qty in Cart: 0
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    $945.62
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  • New Matched Pair (2) Psvane KT66GC Vacuum Tubes - UK GEC KT66 Replica

    New Matched Pair (2) Psvane KT66GC GEC Genalex Replica Tubes

    Psvane

    $473.07
    New Plate Current Matched Pair of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...
    NP243-2
    $473.07
    Qty in Cart: 0
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    $473.07
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  • New Psvane KT66GC Vacuum Tube - UK GEC KT66 Replica

    New Psvane KT66GC GEC Genalex Replica

    Psvane

    $223.47
    New Plate Current Tested Psvane KT66GC Vacuum Tube Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine through in...
    NP243-1
    $223.47
    Qty in Cart: 0
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    $223.47
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  • New Matched Octet (8) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    New Matched Octet (8) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    Psvane

    $271.01
    New Plate Current Matched Octet of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp.  A...
    NP241-8
    $271.01
    Qty in Cart: 0
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    $271.01
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  • New Matched Sextet (6) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    New Matched Sextet (6) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    Psvane

    $205.19
    New Plate Current Matched Sextet of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp.  A...
    NP241-6
    $205.19
    Qty in Cart: 0
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    $205.19
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  • New Matched Quad (4) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    New Matched Quad (4) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    Psvane

    $135.88
    New Plate Current Matched Quad (4 pc set) of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp...
    NP241-4
    $135.88
    Qty in Cart: 0
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    $135.88
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  • New Matched Pair (2) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    New Matched Pair (2) Psvane 5881 / 6L6GB Hifi Vacuum Tubes

    Psvane

    $69.23
    New Plate Current Matched Pair of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp.  A fresh...
    NP241-2
    $69.23
    Qty in Cart: 0
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    $69.23
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  • New Psvane 5881 / 6L6GB Hifi Vacuum Tube

    New Psvane 5881 / 6L6GB Hifi Vacuum Tube

    Psvane

    $33.83
    New Plate Current Tested Psvane 5881 / 6L6GB Hifi Vacuum Tube Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp.  A fresh take on...
    NP241-1
    $33.83
    Qty in Cart: 0
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    $33.83
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  • New Matched Octet (8) Psvane UK-KT88 Black Plate Vacuum Tubes

    New Matched Octet (8) Psvane UK-KT88 Black Plate Vacuum Tubes

    Psvane

    $634.91
    New Plate Current Matched Octet of Psvane UK-KT88 Black Plate Vacuum Tubes A new beam power tetrode KT88 by Matched Octet of Psvane featuring vintage-styled black plates modeling the classic British tones of the originals before it. It's hard to go wrong...
    NP238-8
    $634.91
    Qty in Cart: 0
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    $634.91
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  • New Matched Sextet (6) Psvane UK-KT88 Black Plate Vacuum Tubes

    New Matched Sextet (6) Psvane UK-KT88 Black Plate Vacuum Tubes

    Psvane

    $478.91
    New Plate Current Matched Sextet of Psvane UK-KT88 Black Plate Vacuum Tubes A new beam power tetrode KT88 by Matched Sextet of Psvane featuring vintage-styled black plates modeling the classic British tones of the originals before it. It's hard to go...
    NP238-6
    $478.91
    Qty in Cart: 0
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    $478.91
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  • New Matched Pair (2) Psvane UK-KT88 Black Plate Vacuum Tubes

    New Matched Pair (2) Psvane UK-KT88 Black Plate Vacuum Tubes

    Psvane

    $160.26
    New Plate Current Matched Pair of Psvane UK-KT88 Black Plate Vacuum Tubes A new beam power tetrode KT88 by Matched Pair of Psvane featuring vintage-styled black plates modeling the classic British tones of the originals before it. It's hard to go wrong...
    NP238-2
    $160.26
    Qty in Cart: 0
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    $160.26
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  • New Psvane UK-KT88 Black Plate Vacuum Tube

    New Psvane UK-KT88 Black Plate Vacuum Tube

    Psvane

    $76.27
    New Plate Current Tested Psvane UK-KT88 Black Plate Vacuum Tube A new beam power tetrode KT88 by Psvane featuring vintage-styled black plates modeling the classic British tones of the originals before it. It's hard to go wrong with a tube designed to...
    NP238-1
    $76.27
    Qty in Cart: 0
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    $76.27
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  • New Matched Octet (8) Psvane UK-EL34 Black Plate Vacuum Tubes

    New Matched Octet (8) Psvane UK-EL34 Black Plate Vacuum Tubes

    Psvane

    $268.12
    New Plate Current Matched Octet of Psvane UK-EL34 Black Plate Vacuum Tubes The Psvane UK-EL34 is a unique return of vintage-styled black plate sound that will be a great upgrade for any compatible amp. This tube was designed to reproduce the classic...
    NP237-8
    $268.12
    Qty in Cart: 0
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    $268.12
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  • New Matched Sextet (6) Psvane UK-EL34 Black Plate Vacuum Tubes

    New Matched Sextet (6) Psvane UK-EL34 Black Plate Vacuum Tubes

    Psvane

    $203.09
    New Plate Current Matched Sextet of Psvane UK-EL34 Black Plate Vacuum Tubes The Psvane UK-EL34 is a unique return of vintage-styled black plate sound that will be a great upgrade for any compatible amp. This tube was designed to reproduce the classic...
    NP237-6
    $203.09
    Qty in Cart: 0
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    $203.09
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  • New Matched Quad (4) Psvane UK-EL34 Black Plate Vacuum Tubes

    New Matched Quad (4) Psvane UK-EL34 Black Plate Vacuum Tubes

    Psvane

    $134.32
    New Plate Current Matched Quad of Psvane UK-EL34 Black Plate Vacuum Tubes The Psvane UK-EL34 is a unique return of vintage-styled black plate sound that will be a great upgrade for any compatible amp. This tube was designed to reproduce the classic...
    NP237-4
    $134.32
    Qty in Cart: 0
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    $134.32
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  • New Matched Pair (2) Psvane UK-EL34 Black Plate Vacuum Tubes

    New Matched Pair (2) Psvane UK-EL34 Black Plate Vacuum Tubes

    Psvane

    $68.45
    New Plate Current Matched Pair of Psvane UK-EL34 Black Plate Vacuum Tube The Psvane UK-EL34 is a unique return of vintage-styled black plate sound that will be a great upgrade for any compatible amp. This tube was designed to reproduce the classic...
    NP237-2
    $68.45
    Qty in Cart: 0
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    Price:
    $68.45
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  • New Psvane UK-EL34 Black Plate Vacuum Tube

    New Psvane UK-EL34 Black Plate Vacuum Tube

    Psvane

    $33.05
    New Plate Current Tested Psvane UK-EL34 Black Plate Vacuum Tube The Psvane UK-EL34 is a unique return of vintage-styled black plate sound that will be a great upgrade for any compatible amp. This tube was designed to reproduce the classic Mullard sound...
    NP237-1
    $33.05
    Qty in Cart: 0
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    $33.05
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  • New Matched Octet (8) TAD EL34-STR Redbase Vacuum Tubes

    New Matched Octet (8) TAD EL34-STR Redbase Vacuum Tubes

    TAD

    $386.03
    New Plate Current Matched Octet of Tube Amp Doctor EL34-STR Redbase Vacuum Tubes TAD's Redbase series EL34-STR sports a durable glass envelope, golden control grid wire, two large cooling grids and solid construction characteristics. A clear and harmonic...
    NP234-8
    $386.03
    Qty in Cart: 0
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    $386.03
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  • New Matched Sextet (6) TAD EL34-STR Redbase Vacuum Tubes

    New Matched Sextet (6) TAD EL34-STR Redbase Vacuum Tubes

    TAD

    $289.34
    New Plate Current Matched Sextet of Tube Amp Doctor EL34-STR Redbase Vacuum Tubes TAD's Redbase series EL34-STR sports a durable glass envelope, golden control grid wire, two large cooling grids and solid construction characteristics. A clear and...
    NP234-6
    $289.34
    Qty in Cart: 0
    Quantity:
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    $289.34
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  • New Matched Quad (4) TAD EL34-STR Redbase Vacuum Tubes

    New Matched Quad (4) TAD EL34-STR Redbase Vacuum Tubes

    TAD

    $191.82
    New Plate Current Matched Quad of Tube Amp Doctor EL34-STR Redbase Vacuum Tubes TAD's Redbase series EL34-STR sports a durable glass envelope, golden control grid wire, two large cooling grids and solid construction characteristics. A clear and harmonic...
    NP234-4
    $191.82
    Qty in Cart: 0
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    $191.82
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  • New Matched Pair (2) TAD EL34-STR Redbase Vacuum Tubes

    New Matched Pair (2) TAD EL34-STR Redbase Vacuum Tubes

    TAD

    $97.19
    New Plate Current Matched Pair of Tube Amp Doctor EL34-STR Redbase Vacuum Tubes TAD's Redbase series EL34-STR sports a durable glass envelope, golden control grid wire, two large cooling grids and solid construction characteristics. A clear and harmonic...
    NP234-2
    $97.19
    Qty in Cart: 0
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    $97.19
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  • New TAD EL34-STR Redbase Vacuum Tube

    New TAD EL34-STR Redbase Vacuum Tube

    TAD

    $46.58
    New Plate Current Tested Tube Amp Doctor EL34-STR Redbase Vacuum Tube TAD's Redbase series EL34-STR sports a durable glass envelope, golden control grid wire, two large cooling grids and solid construction characteristics. A clear and harmonic tube with...
    NP234-1
    $46.58
    Qty in Cart: 0
    Quantity:
    Price:
    $46.58
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  • New Matched Octet (8) TAD 6L6GCM-STR Redbase Vacuum Tubes

    New Matched Octet (8) TAD 6L6GCM-STR Redbase Vacuum Tubes

    TAD

    $369.03
    New Plate Current Matched Octet of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...
    NP232-8
    $369.03
    Qty in Cart: 0
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    Price:
    $369.03
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  • New Matched Sextet (6) TAD 6L6GCM-STR Redbase Vacuum Tubes

    New Matched Sextet (6) TAD 6L6GCM-STR Redbase Vacuum Tubes

    TAD

    $276.59
    New Plate Current Matched Sextet of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...
    NP232-6
    $276.59
    Qty in Cart: 0
    Quantity:
    Price:
    $276.59
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  • New Matched Quad (4) TAD 6L6GCM-STR Redbase Vacuum Tubes

    New Matched Quad (4) TAD 6L6GCM-STR Redbase Vacuum Tubes

    TAD

    $183.32
    New Plate Current Matched Quad of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...
    NP232-4
    $183.32
    Qty in Cart: 0
    Quantity:
    Price:
    $183.32
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  • New Matched Pair (2) TAD 6L6GCM-STR Redbase Vacuum Tubes

    New Matched Pair (2) TAD 6L6GCM-STR Redbase Vacuum Tubes

    TAD

    $92.94
    New Plate Current Matched Pair of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...
    NP232-2
    $92.94
    Qty in Cart: 0
    Quantity:
    Price:
    $92.94
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  • New TAD 6L6GCM-STR Redbase Vacuum Tube

    New TAD 6L6GCM-STR Redbase Vacuum Tube

    TAD

    $44.99
    New Plate Current Tested Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tube The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom.  Will...
    NP232-1
    $44.99
    Qty in Cart: 0
    Quantity:
    Price:
    $44.99
    Subtotal:
  • New Matched Quad (4) Telefunken KT88 Vacuum Tubes

    New Matched Quad (4) Telefunken KT88 Vacuum Tubes

    Telefunken

    $465.81
    New Factory Matched Quad of Telefunken KT88 Vacuum Tubes Introduced in 1956 by GEC, the KT88 was the higher-rated answer to the 6550. The Telefunken KT88 is an incredibly durable tube that can handle taxing applications whether it is guitar or hifi...
    NP208-4
    $465.81
    Qty in Cart: 0
    Quantity:
    Price:
    $465.81
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  • New Matched Pair (2) Telefunken KT88 Vacuum Tubes

    New Matched Pair (2) Telefunken KT88 Vacuum Tubes

    Telefunken

    $233.16
    New Factory Matched Pair of Telefunken KT88 Vacuum Tubes Introduced in 1956 by GEC, the KT88 was the higher-rated answer to the 6550. The Telefunken KT88 is an incredibly durable tube that can handle taxing applications whether it is guitar or hifi...
    NP208-2
    $233.16
    Qty in Cart: 0
    Quantity:
    Price:
    $233.16
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  • New Matched Octet (8) Telefunken 6L6GC Vacuum Tubes

    New Matched Octet (8) Telefunken 6L6GC Vacuum Tubes

    Telefunken

    $564.24
    New Factory Matched Octet of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...
    NP207-8
    $564.24
    Qty in Cart: 0
    Quantity:
    Price:
    $564.24
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  • New Matched Sextet (6) Telefunken 6L6GC Vacuum Tubes

    New Matched Sextet (6) Telefunken 6L6GC Vacuum Tubes

    Telefunken

    $425.18
    New Factory Matched Sextet of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...
    NP207-6
    $425.18
    Qty in Cart: 0
    Quantity:
    Price:
    $425.18
    Subtotal:
  • New Matched Quad (4) Telefunken 6L6GC Vacuum Tubes

    New Matched Quad (4) Telefunken 6L6GC Vacuum Tubes

    Telefunken

    $282.38
    New Factory Matched Quad of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...
    NP207-4
    $282.38
    Qty in Cart: 0
    Quantity:
    Price:
    $282.38
    Subtotal:
  • New Matched Pair (2) Telefunken 6L6GC Vacuum Tubes

    New Matched Pair (2) Telefunken 6L6GC Vacuum Tubes

    Telefunken

    $142.48
    New Factory Matched Pair of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...
    NP207-2
    $142.48
    Qty in Cart: 0
    Quantity:
    Price:
    $142.48
    Subtotal:
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