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1000A - 9999Z

1000A - 9999Z

There are many great four digit tubes such as the 7025, 6550, 5654 and 7868. These tubes tend to be high-end versions of standard tubes or variants of standard tubes though there are plenty that just exist on their own. 

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  • New Matched Octet (8) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    New Matched Octet (8) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    Psvane

    $696.33
    New Plate Current Matched Octet of Psvane Treasure KT88-Z Smoked Vacuum Tubes This is a tube with a confusing and interesting history. These KT88-Z tubes are produced by Psvane which was copied by Shuguang. Shuguang's version of the KT88-Z eventually...
    $696.33
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    $696.33
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  • New Matched Sextet (6) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    New Matched Sextet (6) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    Psvane

    $520.66
    New Plate Current Matched Sextet of Psvane Treasure KT88-Z Smoked Vacuum Tubes This is a tube with a confusing and interesting history. These KT88-Z tubes are produced by Psvane which was copied by Shuguang. Shuguang's version of the KT88-Z eventually...
    $520.66
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    $520.66
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  • New Matched Quad (4) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    New Matched Quad (4) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    Psvane

    $346.69
    New Plate Current Matched Quad of Psvane Treasure KT88-Z Smoked Vacuum Tubes This is a tube with a confusing and interesting history. These KT88-Z tubes are produced by Psvane which was copied by Shuguang. Shuguang's version of the KT88-Z eventually...
    $346.69
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    $346.69
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  • New Matched Pair (2) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    New Matched Pair (2) Psvane Treasure KT88-Z Smoked Vacuum Tubes

    Psvane

    $173.19
    New Plate Current Matched Pair of Psvane Treasure KT88-Z Smoked Vacuum Tubes This is a tube with a confusing and interesting history. These KT88-Z tubes are produced by Psvane which was copied by Shuguang. Shuguang's version of the KT88-Z eventually...
    $173.19
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    $173.19
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  • New Shuguang Treasure KT88-Z Smoked Vacuum Tube

    New Psvane Treasure KT88-Z Smoked Vacuum Tube

    Psvane

    $85.85
    New Plate Current Tested Psvane Treasure KT88-Z Smoked Vacuum Tube This is a tube with a confusing and interesting history. These KT88-Z tubes are produced by Psvane which was copied by Shuguang. Shuguang's version of the KT88-Z eventually became more...
    $85.85
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    $85.85
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  • New Matched Octet (8) Telefunken KT88 Vacuum Tubes

    New Matched Octet (8) Telefunken KT88 Vacuum Tubes

    Telefunken

    $1,069.71
    New Factory Matched Octet 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...
    $1,069.71
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    $1,069.71
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  • New Matched Sextet (6) Telefunken KT88 Vacuum Tubes

    New Matched Sextet (6) Telefunken KT88 Vacuum Tubes

    Telefunken

    $801.78
    New Plate Current Matched Sextet 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...
    $801.78
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    $801.78
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  • New Matched Quad (4) Telefunken KT88 Vacuum Tubes

    New Matched Quad (4) Telefunken KT88 Vacuum Tubes

    Telefunken

    $534.39
    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...
    $534.39
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    $534.39
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  • New Matched Pair (2) Telefunken KT88 Vacuum Tubes

    New Matched Pair (2) Telefunken KT88 Vacuum Tubes

    Telefunken

    $267.15
    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...
    $267.15
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    $267.15
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  • New Telefunken KT88 Vacuum Tube

    New Telefunken KT88 Vacuum Tube

    Telefunken

    $133.34
    New Factory Tested Telefunken KT88 Vacuum Tube 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 amplification...
    $133.34
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    $133.34
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  • New Matched Octet (8) Telefunken 6550 Vacuum Tubes

    New Matched Octet (8) Telefunken 6550 Vacuum Tubes

    Telefunken

    $971.59
    New Factory Matched Octet of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...
    $971.59
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    $971.59
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  • New Matched Sextet (6) Telefunken 6550 Vacuum Tubes

    New Matched Sextet (6) Telefunken 6550 Vacuum Tubes

    Telefunken

    $728.20
    New Factory Matched Sextet of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar...
    $728.20
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    $728.20
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  • New Matched Quad (4) Telefunken 6550 Vacuum Tubes

    New Matched Quad (4) Telefunken 6550 Vacuum Tubes

    Telefunken

    $485.33
    New Factory Matched Quad of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...
    $485.33
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    $485.33
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  • New Matched Pair (2) Telefunken 6550 Vacuum Tubes

    New Matched Pair (2) Telefunken 6550 Vacuum Tubes

    Telefunken

    $242.62
    New Factory Matched Pair of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...
    $242.62
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    $242.62
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  • New Telefunken 6550 Vacuum Tube

    New Telefunken 6550 Vacuum Tube

    Telefunken

    $121.07
    New Factory Tested Telefunken 6550 Vacuum Tube An excellent power tube by Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers. They...
    $121.07
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    $121.07
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  • New Matched Octet (8) Psvane KT88C Hifi Vacuum Tubes

    New Matched Octet (8) Psvane KT88C Hifi Vacuum Tubes

    Psvane

    $432.67
    New Plate Current Matched Octet of Psvane KT88C Hifi (6550) Vacuum Tubes  As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a...
    $432.67
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    $432.67
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  • New Matched Sextet (6) Psvane KT88C Hifi Vacuum Tubes

    New Matched Sextet (6) Psvane KT88C Hifi Vacuum Tubes

    Psvane

    $322.17
    New Plate Current Matched Sextet of Psvane KT88C Hifi (6550) Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a build...
    $322.17
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    $322.17
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  • New Matched Quad (4) Psvane KT88C Hifi Vacuum Tubes

    New Matched Quad (4) Psvane KT88C Hifi Vacuum Tubes

    Psvane

    $214.16
    New Plate Current Matched Quad of Psvane KT88C Hifi (6550) Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a build...
    $214.16
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    $214.16
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  • New Matched Pair (2) Psvane KT88C Hifi Vacuum Tubes

    New Matched Pair (2) Psvane KT88C Hifi Vacuum Tubes

    Psvane

    $106.86
    New Plate Current Matched Pair of Psvane KT88C Hifi (6550) Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a build...
    $106.86
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    $106.86
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  • New Psvane KT88C Hifi Vacuum Tube

    New Psvane KT88C Hifi Vacuum Tube

    Psvane

    $52.33
    New Plate Current Tested Psvane KT88C Hifi (6550) Vacuum Tube As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a build quality...
    $52.33
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    $52.33
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  • New Factory Matched Octet Tung-Sol KT170 Vacuum Tubes

    New Factory Matched Octet (8) Tung-Sol KT170 Vacuum Tubes

    Tung-Sol

    $1,417.75
    New Factory Matched Octet of Tung-Sol KT170 Vacuum Tubes We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that...
    $1,417.75
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    $1,417.75
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  • New Factory Matched Quad Tung-Sol KT170 Vacuum Tubes

    New Factory Matched Quad (4) Tung-Sol KT170 Vacuum Tubes

    Tung-Sol

    $708.05
    New Factory Matched Quad of Tung-Sol KT170 Vacuum Tubes We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that...
    $708.05
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    $708.05
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  • New Factory Matched Pair Tung-Sol KT170 Vacuum Tubes

    New Factory Matched Pair (2) Tung-Sol KT170 Vacuum Tubes

    Tung-Sol

    $353.56
    New Factory Matched Pair of Tung-Sol KT170 Vacuum Tubes We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that...
    $353.56
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    $353.56
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  • New Factory Tested Tung-Sol KT170 Vacuum Tube

    New Factory Tested Tung-Sol KT170 Vacuum Tube

    Tung-Sol

    $176.73
    New Factory Tested Tung-Sol KT170 Vacuum Tube We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that at least...
    $176.73
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    $176.73
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  • Brand New Plate Current Matched Octet (8) Sovtek 6550WE Vacuum Tubes

    New Matched Octet (8) Sovtek 6550WE Vacuum Tubes

    Sovtek

    $617.93
    New Plate Current Matched Octet of Sovtek 6550WE Vacuum Tubes The Sovtek 6550WE features a higher transconductance, higher output power, and an excellent sound performance. It will bring out that excellent range for any guitar amp.
    $617.93
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    $617.93
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  • Brand New Plate Current Matched Quad (4) Sovtek 6550WE Vacuum Tubes

    New Matched Quad (4) Sovtek 6550WE Vacuum Tubes

    Sovtek

    $308.50
    New Plate Current Matched Quad of Sovtek 6550WE Vacuum Tubes The Sovtek 6550WE features a higher transconductance, higher output power, and an excellent sound performance. It will bring out that excellent range for any guitar amp.
    $308.50
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    $308.50
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  • Brand New Plate Current Matched Pair (2) Sovtek 6550WE Vacuum Tubes

    New Matched Pair (2) Sovtek 6550WE Vacuum Tubes

    Sovtek

    $154.20
    New Plate Current Matched Pair of Sovtek 6550WE Vacuum Tubes The Sovtek 6550WE features a higher transconductance, higher output power, and an excellent sound performance. It will bring out that excellent range for any guitar amp.
    $154.20
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    $154.20
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  • Brand New Plate Current Tested Sovtek 6550WE Vacuum Tube

    New Sovtek 6550WE Vacuum Tube

    Sovtek

    $76.87
    New Plate Current Tested Sovtek 6550WE Vacuum Tube The Sovtek 6550WE features a higher transconductance, higher output power, and an excellent sound performance. It will bring out that excellent range for any guitar amp.
    $76.87
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    $76.87
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  • Brand New Plate Current Matched Octet (8) Svetlana KT88-SV Gold Grid Tubes

    New Matched Octet (8) Svetlana KT88-SV Gold Grid Vacuum Tubes

    Svetlana

    $673.78
    Brand New Plate Current Matched Octet of Svetlana KT88-SV Gold Grid Tubes The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and presentation. Alongside a gold plated grid, tri-plate anode,...
    $673.78
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    $673.78
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  • Brand New Plate Current Matched Sextet (6) Svetlana KT88-SV Gold Grid Tubes

    New Matched Sextet (6) Svetlana KT88-SV Gold Grid Vacuum Tubes

    Svetlana

    $504.84
    Brand New Plate Current Matched Sextet of Svetlana KT88-SV Gold Grid Tubes The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and presentation. Alongside a gold plated grid, tri-plate anode,...
    $504.84
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    $504.84
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  • Brand New Plate Current Matched Quad (4) Svetlana KT88-SV Gold Grid Vacuum Tubes

    New Matched Quad (4) Svetlana KT88-SV Gold Grid Vacuum Tubes

    Svetlana

    $336.43
    New Plate Current Matched Quad of Svetlana KT88-SV Gold Grid Vacuum Tubes The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and presentation. Alongside a gold plated grid, tri-plate anode,...
    $336.43
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    $336.43
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  • Brand New Plate Current Matched Pair (2) Svetlana KT88-SV Gold Grid Vacuum Tubes

    New Matched Pair (2) Svetlana KT88-SV Gold Grid Vacuum Tubes

    Svetlana

    $168.17
    New Plate Current Matched Pair of Svetlana KT88-SV Gold Grid Vacuum Tubes The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and presentation. Alongside a gold plated grid, tri-plate anode,...
    $168.17
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    $168.17
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  • Brand New Plate Current Tested Svetlana KT88-SV Gold Grid Vacuum Tube

    New Svetlana KT88-SV Gold Grid Vacuum Tube

    Svetlana

    $83.85
    New Plate Current Tested Svetlana KT88-SV Gold Grid Vacuum Tube The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and presentation. Alongside a gold plated grid, tri-plate anode, and exact...
    $83.85
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    $83.85
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  • New Plate Current Matched Octet (8) Mullard Reissue KT88 / 6550 Vacuum Tubes

    New Matched Octet (8) Mullard KT88 / 6550 Vacuum Tubes

    Mullard

    $662.91
    New Plate Current Matched Octet of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent...
    $662.91
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    $662.91
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  • New Plate Current Matched Sextet (6) Mullard Reissue KT88 / 6550 Vacuum Tubes

    New Matched Sextet (6) Mullard KT88 / 6550 Vacuum Tubes

    Mullard

    $496.69
    New Plate Current Matched Sextet of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent...
    $496.69
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    $496.69
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  • New Plate Current Matched Quad (4) Mullard Reissue KT88 / 6550 Vacuum Tubes

    New Matched Quad (4) Mullard KT88 / 6550 Vacuum Tubes

    Mullard

    $330.99
    New Plate Current Matched Quad of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement...
    $330.99
    Qty in Cart: 0
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    $330.99
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  • Brand New Plate Current Matched Pair (2) Mullard Reissue KT88 6550 Vacuum Tubes

    New Matched Pair (2) Mullard KT88 / 6550 Vacuum Tubes

    Mullard

    $165.45
    New Plate Current Matched Pair of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement...
    $165.45
    Qty in Cart: 0
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    $165.45
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  • Brand New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube

    New Mullard KT88 / 6550 Vacuum Tube

    Mullard

    $82.49
    New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement output...
    $82.49
    Qty in Cart: 0
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    $82.49
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  • New Gain Matched Pair (2) Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pin Tubes

    New Matched Pair (2) Tung-Sol EF806S / 6267 Gold Pins Vacuum Tubes

    Tung-Sol

    $117.47
    New Gain Matched Pair of Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pins Vacuum Tubes Modeled after the Telefunken EF806S, the higher end version of the 6267 or EF86, is of premium quality and durability. Very effective as an extra low noise tube. Gold...
    $117.47
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    $117.47
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  • New Gain Tested Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pins Vacuum Tube

    New Tung-Sol EF806S / 6267 Gold Pins Vacuum Tube

    Tung-Sol

    $58.47
    New Gain Tested Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pins Vacuum Tube Modeled after the Telefunken EF806S, the higher end version of the 6267 or EF86, is of premium quality and durability. Very effective as an extra low noise tube. Gold pins...
    $58.47
    Qty in Cart: 0
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    $58.47
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