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  • #17905
    Dan Walker
    CVRS Member

    I have exhausted my efforts to find a schematic for a Floor model Sparton model 274.
    There are some caps in there that only have numbers on them [no values.
    I need some help in determining the MFD values.
    Thanks
    Dan in Calgary.

    #17921
    Les Dickson
    CVRS Member

    Hi Dan. On the radiomuseum website the model was brought forward by Geopge Papaiz. Have you tried contacting him to see if he has any further information? If you’re a member you should be able to follow this link and email him.
    https://www.radiomuseum.org/dsp_model_history.cfm?model_pk=230326

    #17932
    John Greenland
    CVRS Member

    If you are looking for some part number cross references, there are some listed on the Sparton sheets in the Beitman manuals.
    I have no idea if they are of any value.

    See page 189 here– http://silverslingshot.com/beitman26_38/1926-38.pdf as an example.

    Regards John G.

    #17968
    Dan Walker
    CVRS Member

    I did get the part numbers from Sparton radios at nostalgia ,but still no schematic
    and I even contacted Dave at Just radios and he does not have it.
    I have changed the caps and it plays my MP3 if I connect it to the high end of the volume control BUT I still can’t get it to receive stations.
    Dan in Calgary.

    #17969
    John Greenland
    CVRS Member

    Dan,
    I would suggest that you go back to the Nostalgia site and look at the info on a Sparton 303. It is on the page 2 of the pdf. Page one has a 202.

    It has the same tube line up on the front end, (a 58, a24a and another 58) , as your 274 and may be able to offer some help.
    It was also made around the same time.

    Good luck.

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