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TEK 455 vs 465 quality?

Discussion in 'Electronic Equipment' started by LanceM, Oct 10, 2003.

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  1. LanceM

    LanceM Guest

    I've searched the archives, and it seems like the 465, specifically the
    later 465B, is better regarded for build quality.

    Was there a 455B, same vintage as the 465B - essentially a 465B but w/60
    MHz BW vs 100 MHz?

    Or what are other significant differences between the two models (or
    revisions)?

    Thank you,
    Lance
     
  2. Jim Yanik

    Jim Yanik Guest

    The 455 is actually designated 455A2B2,probably because TEK may have
    planned to make other side modules,but never did.

    455 was supposed to be a 'ruggedized' scope,but really was less rugged than
    a 465,due to it's lack of a real frame and plastic 'chassis'.It also used a
    large hybrid IC for the vertical preamp,and had some problems with a bad
    batch of hybrids.(caused IM trace jumps)

    465 vs 465B,IMO,it's a tossup.
    IIRC,465B used more IC's in the vertical preamp than the 465.
     
  3. Steve Parker

    Steve Parker Guest

    Lance,
    See if you can find a 465M. It is a militarized
    version. Mine is still working perfectly.
    Sparky
     
  4. Jim Yanik

    Jim Yanik Guest

    465M bears NO relation to an ordinary 465.
    It's more like an upgraded 455A2B2.
     
  5. Jim Adney

    Jim Adney Guest

    The 465M was a good scope, but it was ruggedized which makes it
    heavier thru the use of more internal structure. This brings the
    bandwidth down somewhat and makes them more difficult to work on.

    If you really need the rugged feature, then it's a great scope,
    otherwise I'd stick with a 465 or 465B.

    -
     
  6. LanceM

    LanceM Guest

    I recently got a quote on a cal'd & warrantied 465B for $450 USD.

    What would a reasonable price range be?
     
  7. Kevin Carney

    Kevin Carney Guest

    That sounds good ($450) for a calibrated and warrantied 465.

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