Tubes for SP VTB1 and general tube question

Discussion in 'Microphones & Recording' started by eFe, Nov 19, 2008.

  1. eFe

    eFe Active Member

    Jul 26, 2003
    Buenos Aires, Argentina
    I own 2 of this units. I like them they are good gear for the price.

    Does any of you recommend some specific tube brand and model that could upgrade the sound?

    And now a general tube question since this is my first tube pre. Ho often do I need to replace tubes?

    Thank you in advance.

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