Head and ohm ?

Discussion in 'Amps and Cabs [BG]' started by Marshall8110, Nov 19, 2015.


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  1. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    Just bought a 8x10 vintage ampeg cab im also looking at the fender rumble 500 head. My question is my ampeg cab has only 1 quarter inch input jack and is rated 800w at 4 ohms, the head is 350w at 8 ohms or 500w at 4 ohms, will i get the 500 at 4 ohms with just 1 cord or do i have to go from both speaker outputs on the head into 1. 2 into 1 cord
     
  2. B-string

    B-string Supporting Member

    One SPEAKER cord is all you need and you will be getting 500 watts to the cab. The two jacks on the amp is so you can hook up two 8 ohm cabs to get the 4 ohm load. With a 4 ohm cab you can ONLY use one jack.
     
    edencab, bassmeknik, cfsporn and 3 others like this.
  3. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    Thank you!
     
    B-string likes this.
  4. That will be......... very loud. Should sound good too if you like that sort of thing. Nice.
     
    Marshall8110 likes this.
  5. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    Hope so. Moved from the basement to the garage and the guitar player is loud. This is my first big gear only used small combos and mic'd it if need be. Im trying to learn gear now. 1 more question if you don't mind this might sound dumb but i don't know what a foot switch does? Please help. Should i get 1?
     
  6. Effects pedals? There are hundreds. I'd suggest you wait a bit before you wade into those waters. But please do get some earplugs. : D
    No really. Earplugs.
     
  7. B-string

    B-string Supporting Member

    Depends on the amp head's options. Some it is only a mute, some channel switching, eq switching, guitar amps can switch effects like reverb in and out.
     
    Marshall8110 likes this.
  8. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    Thanks guys
     
  9. B-string

    B-string Supporting Member

    On your Rumble 500 it switches the "Overdrive" circuit in and out. If you find the "voice" of the overdrive useful for some songs a footswitch allows you to switch it in and out without touching the amp head.
     
  10. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    Oh ok maybe set it for some distortion or something than just kick the pedal to start/stop it. I kinda like that
     
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  11. Killed_by_Death

    Killed_by_Death Snaggletooth Inactive

    Linnin likes this.
  12. /\/\3phist0

    /\/\3phist0 ( ͡° ͜ʖ ͡°) mmm Woody! DHDIK? Supporting Member

    The footswitch engages/disengage the overdrive circuit built into that head. Tb's resident Rumble fetishist @Linnin will cruise by any minute now..
     
  13. Marshall8110

    Marshall8110

    Nov 15, 2015
    Wausau Wi
    I almost bought a hartke 500. For some reason i went back to the roots
     
  14. Killed_by_Death

    Killed_by_Death Snaggletooth Inactive

    Researching this is bad for my GAS.
    Now I want a Rumble 200 head!

    2370700000_amp_frt_001_nr.jpg
     
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  15. Killed_by_Death

    Killed_by_Death Snaggletooth Inactive

    I can attest that everything he owns is Fender.
     
    Linnin likes this.
  16. /\/\3phist0

    /\/\3phist0 ( ͡° ͜ʖ ͡°) mmm Woody! DHDIK? Supporting Member

    I have a Rumble 500 v3 head and it is very good, and loud. And so far, reliable.
    The head is built well, and looks good, it's light so watch for it moving around on the cab. I use foam drawer liner to get it to stay in place.
    Of course since I got my Mesa D800, it has not been powered up :)
     
    Marshall8110 likes this.
  17. morgansterne

    morgansterne Geek U.S.A.

    Oct 25, 2011
    Cleveland Ohio
    I know a guy with the rumble 2x10 combo. Sound techs sometimes have to ask him to turn down even after they take him out of the PA.
     
  18. Linnin

    Linnin

    Jul 19, 2012
    Linningrad, Earth
    ^^^ This Is True! ^^^ And I can see you gentlemen have everything well in hand here.
    If you go to the Fender Rumble Club and search that thread for: Rumble Talk; Tone Pool, and Gain Structure you will find a ton of very useful inside information.
     
    Marshall8110 likes this.
  19. Rip Van Dan

    Rip Van Dan DNA Endorsing Artist Supporting Member

    Feb 2, 2009
    Duvall, WA
    NEVER hook two cords out of the amp output into the same cab. Really bad things can happen to your amp if you run that second speaker jack back into the output of the amp. That second jack in the cab is so you can run another speaker cord to another cab (daisy-chain). Things can melt if you hook it back into the second output of the amp.

    The only exception I can think of to that is if it's an old bi-amp cab with separate inputs for the horn and the woofers and then you can only do that if the amp you are using has separate high frequency and low frequency outputs. Even then, usually bi-amping was sent to two separate cabs. Very unusual to run a bi-amp on modern cabs because they are full frequency cabs capable or far more than the cabs in the 80's when bi-amping became popular. It's unnecessary with the bulk of modern cabs.
     
  20. dincz

    dincz

    Sep 25, 2010
    Czech Republic
    This is only true if you're talking about a 2 channel amp e.g. Hartke LH1000. On the more usual single channel amps the output connectors are simply in parallel - as are the connectors on the cab, so you'd be simply running one unnecessary cable.
     
    B-string likes this.
  21. Primary

    Primary TB Assistant

    Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products.

     
    Jul 24, 2021

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