1978 Corvette. Dash Speakers Ohm Impedance - NCRS Discussion Boards

1978 Corvette. Dash Speakers Ohm Impedance

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  • Chuck G.
    Extremely Frequent Poster
    • May 31, 1982
    • 2034

    1978 Corvette. Dash Speakers Ohm Impedance

    A friend wants to buy new dashboard speakers for his 78 Silver Anniversary car.

    Many speakers offered as "correct" or "correct replacement" are listed as 4 Ohm.

    Several websites say the the original speakers are 8-10 Ohm.

    This is for a factory radio..

    Which is correct, 4 Ohm or 8-10 Ohm?

    Thanks for any guidance.
    1963 Corvette Conv. 327/360 NCRS Top Flight
    2006 Corvette Conv. Velocity Yellow NCRS Top Flight
    1956 Chevy Sedan. 350/4 Speed Hot Rod
  • Stephen G.
    Very Frequent User
    • January 1, 2002
    • 304

    #2
    Steve Gansky
    Newtown, (Bucks County) PA

    Comment

    • Joe L.
      Beyond Control Poster
      • February 1, 1988
      • 43219

      #3
      Re: 1978 Corvette. Dash Speakers Ohm Impedance

      Originally posted by Chuck Gongloff (5629)
      A friend wants to buy new dashboard speakers for his 78 Silver Anniversary car.

      Many speakers offered as "correct" or "correct replacement" are listed as 4 Ohm.

      Several websites say the the original speakers are 8-10 Ohm.

      This is for a factory radio..

      Which is correct, 4 Ohm or 8-10 Ohm?

      Thanks for any guidance.

      Chuck-----

      The 1978 Corvette speakers were 10 OHM and that's the only impedence I recommend for use with original radios. The use of 4 ohm speakers will ruin the radio.

      As a matter of fact, all 1963-82 Corvette radios used 10 ohm speakers.
      In Appreciation of John Hinckley

      Comment

      • Chuck G.
        Extremely Frequent Poster
        • May 31, 1982
        • 2034

        #4
        Re: 1978 Corvette. Dash Speakers Ohm Impedance

        Thanks for the info. I thought that original speakers were 8-10 Ohm...or more correctly 10 Ohm. I will relay this information to him so he can order the correct items. Some catalogs and online sites sell 4 Ohm speakers as "originals".
        1963 Corvette Conv. 327/360 NCRS Top Flight
        2006 Corvette Conv. Velocity Yellow NCRS Top Flight
        1956 Chevy Sedan. 350/4 Speed Hot Rod

        Comment

        • Leif A.
          Extremely Frequent Poster
          • August 31, 1997
          • 3627

          #5
          Re: 1978 Corvette. Dash Speakers Ohm Impedance

          Chuck,
          Turn Switch (Electro-Tech, Inc) can provide you with the correct speakers for your friends '78 Corvette. See link below...scroll about 2/3 of the way down the page and you'll find them. Hope this helps.

          Leif
          '67 Coupe L79, M21, C60, N14, N40, J50, A31, U69, A01, QB1
          Top Flight 2017 Lone Star Regional

          Comment

          • Chuck G.
            Extremely Frequent Poster
            • May 31, 1982
            • 2034

            #6
            Re: 1978 Corvette. Dash Speakers Ohm Impedance

            Thank you. I will relay the information
            1963 Corvette Conv. 327/360 NCRS Top Flight
            2006 Corvette Conv. Velocity Yellow NCRS Top Flight
            1956 Chevy Sedan. 350/4 Speed Hot Rod

            Comment

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