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Older GK 410 Cabinet - wiring/impedance/power handling

Discussion in 'Amps and Cabs [BG]' started by dbillow, Apr 1, 2006.

  1. dbillow


    Mar 28, 2006
    Raleigh, NC
    I have an older GK 410 cab bought new in 1981 that has no markings on the back plate other than serial #10781 and "Campbell, California". I'm trying to determine the impedance, wattage handling and make a decision as to whether I should modify it to have Speakon connectors for use with my Ampeg SVT 3 Pro. The wiring connecting the speakers internally appears to be parallel, the jack goes to the first speaker and then to each additional speaker from both terminals like a daisy chain (there are two wires from each speaker to the next). The internal wiring is basically like cheap lamp cord and I'm wondering if I should upgrade that to a better quality cable.

    Eventually I am going to add a 15" speaker cabinet to my setup as well.

    Any Thoughts? Thanks
  2. 62bass


    Apr 3, 2005
    I had one of the old 4-10s from GK. They were available in 8 or 4 ohms. I got the 4 ohm. It sounds like mine was of the same series as yours.

    It was allright but nothing like the 4-10s made now. Not too efficient and only rated for 320 watts I believe. I used mine with a 400 RB head and it had a decent sound but not a lot of volume before distortion. I traded it in for a pair of Yorkville 8 ohm 1-15 cabs and even one of them was louder and bigger sounding than the 4-10.

    I don't think upgrading the wiring and connectors will do anything noticeable to improve the sound.

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