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Saba MI 215 amp repair--anyone know subs for BDV93 and BDV94 transistors?

Discussion in 'DIY' started by EastPoint, Jun 18, 2017.

  1. EastPoint

    EastPoint AK Subscriber Subscriber

    Messages:
    4,134
    Location:
    Milwaukee, WI
    i have a Saba MI 215 integrated amp with a blown channel, and it needs 4 output transistors for it--two BDV93 and two BDV94. I found the NTE390 and NTE391 through cursory Google search--are those likely to work as replacements?
     
  2. jdurbin1

    jdurbin1 Tandberg enthusiast Subscriber

    Messages:
    8,166
    Location:
    San Diego
    Maybe, but NTE isn't necessarily the best choice.

    I saw a couple of different sources that cite the TIP33C and TIP34C as being good replacements for those original Philips transistors. Should be able to find these new from a reliable distributor, looks like OnSemi still offers those and possibly SGS Thomson or ST Micro do as well.

    John
     
  3. Alan0354

    Alan0354 Super Member

    Messages:
    1,223
    Location:
    Bay Area
    Or, if heatsink and space can allow, look into transistors with TO-3P package and bend the pin in a little. YOu have a lot more choices. Choices are very limited for TO-218 package.
     
  4. EastPoint

    EastPoint AK Subscriber Subscriber

    Messages:
    4,134
    Location:
    Milwaukee, WI
    There's a seller on eBay with the original BDV93/94 transistors, but they were pretty expensive, so I got a bunch of the TIP33C and 34C and will let you know how those work out.
     

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