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  • Mullard KT88

    Mullard KT88

    Mullard KT88

    Regular price From $87.95
    Regular price Sale price From $87.95
    Unit price /  per 
  • Gold Lion KT88

    Gold Lion KT88

    Gold Lion KT88

    4.88 / 5.0

    (25) 25 total reviews

    Regular price From $99.95
    Regular price Sale price From $99.95
    Unit price /  per 
  • Electro Harmonix KT88

    Electro-Harmonix KT88

    Electro-Harmonix KT88

    4.857142857 / 5.0

    (7) 7 total reviews

    Regular price From $69.95
    Regular price Sale price From $69.95
    Unit price /  per 
  • Tung-Sol KT120

    Tung-Sol KT120

    Tung-Sol KT120

    4.92 / 5.0

    (25) 25 total reviews

    Regular price From $119.95
    Regular price Sale price From $119.95
    Unit price /  per 
  • Tung-Sol KT 150

    Tung-Sol KT150

    Tung-Sol KT150

    5.0 / 5.0

    (15) 15 total reviews

    Regular price From $139.95
    Regular price Sale price From $139.95
    Unit price /  per 
  • Tung-Sol 6550

    Tung-Sol 6550

    Tung-Sol 6550

    4.7 / 5.0

    (10) 10 total reviews

    Regular price From $86.95
    Regular price Sale price From $86.95
    Unit price /  per 
  • Gold Lion KT77 / EL34

    Gold Lion KT77 / EL34

    Gold Lion KT77 / EL34

    4.8125 / 5.0

    (16) 16 total reviews

    Regular price From $84.95
    Regular price Sale price From $84.95
    Unit price /  per 
  • Mullard EL34

    Mullard EL34

    Mullard EL34

    4.615384615 / 5.0

    (13) 13 total reviews

    Regular price From $55.95
    Regular price Sale price From $55.95
    Unit price /  per 
  • Electro Harmonix 6550

    Electro-Harmonix 6550

    Electro-Harmonix 6550

    5.0 / 5.0

    (1) 1 total reviews

    Regular price From $79.95
    Regular price Sale price From $79.95
    Unit price /  per 
  • Electro Harmonix 6CA7

    Electro-Harmonix 6CA7

    Electro-Harmonix 6CA7

    4.5 / 5.0

    (2) 2 total reviews

    Regular price From $41.95
    Regular price Sale price From $41.95
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  • Auris Ultima 88 Headphone Amplifier

    Auris Ultima 88 Headphone Amplifier

    SALE

    Auris Ultima 88 Headphone Amplifier

    Regular price $8,799
    Regular price $11,099 Sale price $8,799
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    SALE
  • Electro Harmonix KT90

    Electro-Harmonix KT90

    Electro-Harmonix KT90

    4.75 / 5.0

    (4) 4 total reviews

    Regular price From $88.95
    Regular price Sale price From $88.95
    Unit price /  per 
  • PrimaLuna ProLogue Five Stereo Power Amplifier (BLEM)

    PrimaLuna ProLogue Five Stereo Power Amplifier (BLEM)

    PrimaLuna ProLogue Five Stereo Power Amplifier (BLEM)

    Regular price $1,795
    Regular price Sale price $1,795
    Unit price /  per 
  • Mystere ma21 Monoblock Power Amplifiers - pair (BLEM)

    Mystere ma21 Monoblock Power Amplifiers - pair (BLEM)

    Mystere ma21 Monoblock Power Amplifiers - pair (BLEM)

    5.0 / 5.0

    (2) 2 total reviews

    Regular price $2,995
    Regular price Sale price $2,995
    Unit price /  per 
  • The Ultimate Guide to Tube Rolling: 6550-KT150

    Page
  • PrimaLuna DiaLogue Premium Power Amplifier

    PrimaLuna DiaLogue Premium Power Amplifier

    PrimaLuna DiaLogue Premium Power Amplifier

    5.0 / 5.0

    (1) 1 total reviews

    Regular price $3,699
    Regular price $0 Sale price $3,699
    Unit price /  per 
  • Opera Consonance 6.6 (USED)

    Opera Consonance 6.6 (USED)

    Opera Consonance 6.6 (USED)

    Regular price $999
    Regular price $0 Sale price $999
    Unit price /  per 
  • The Ultimate Guide to Tube Rolling: Introduction

    Page
  • Sovtek 6550WE

    Sovtek 6550WE

    Sovtek 6550WE

    5.0 / 5.0

    (3) 3 total reviews

    Regular price From $81.95
    Regular price Sale price From $81.95
    Unit price /  per 
  • ProLogue Six Monoblock Amplifier (Single)

    ProLogue Six Monoblock Amplifier (Single)

    ProLogue Six Monoblock Amplifier (Single)

    Regular price $1,499
    Regular price $0 Sale price $1,499
    Unit price /  per 
  • Zesto Audio Eros 300 Monoblock Poweramps (pair) (OPEN)

    Zesto Audio Eros 300 Monoblock Poweramps (pair) (OPEN)

    SALE

    Zesto Audio Eros 300 Monoblock Poweramps (pair) (OPEN)

    Regular price $19,601
    Regular price $25,000 Sale price $19,601
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    SALE
  • Troubleshooting Tubed Components

    Page
  • Why We Don't Sell Certain Brands; and Our Tube ...

    Page
  • Zesto Audio Bia 120 Stereo Poweramp

    Zesto Audio Bia 120 Stereo Poweramp

    SALE

    Zesto Audio Bia 120 Stereo Poweramp

    Regular price $7,999
    Regular price $11,000 Sale price $7,999
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    SALE
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