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Vintage Recording Gear

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    1950s era ALTEC 1440 Mic Preamp - Bad Tube?
    1:11

    1950s era ALTEC 1440 Mic Preamp - Bad Tube?

    I was hearing quite a lot of noise and tried an old trick to find the bad valve.
    198 views
    1950s ALTEC 1440/1410 Tube Mic Preamp - Noise Floor
    1:18

    1950s ALTEC 1440/1410 Tube Mic Preamp - Noise Floor

    I put the preamp on top of the power supply which is probably not the greatest idea but I was curious how much self-noise it had detectable by my RME rig.
    389 views