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What's wrong with my amp?

Discussion in 'Amps and Cabs [BG]' started by Bluebard, Feb 5, 2016.


  1. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Hey bass dudes,

    So my drummer brother just got himself a drumset for our apartment, and needless to say, it was necessary for us to jam in the following days. Well, to keep up with the loudness of the drums (and my brother wasn't even playing very loud, since we've got neighbors, and it's a pretty tiny kit) I had to turn my amp up louder than usual. I have a Peavey Minx 1x10 35 watt. Dimed the knobs on my bass, and turned the gain up pretty loud, a few times all the way the up to max (was that a bad idea)? I had also just put flatwounds on the bass, and was experimenting with my new Behringer BDI21 bass driver. which made the sound somewhat deeper and fatter than usual. I also boosted the drive a lot on the driver in an attempt to achieve overdrive, and it sounded pretty crappy.

    Well, after all that, I've started getting a new weird noise from my amp. In the lower registers, mostly on the E-string and a little bit on the A string, I've been getting a flappy farty sound out of my amp, kind of like the sound of a piece of cardboard getting blown around and flapping back and forth, or like one of those raspberry sounds people do with their tongue and lips - except it's coming out of amp, as if the amp is now struggling to produce clear sounds in the low register. This happens when the gain is around 4, more or less (around 10-o-clock).

    So now the dreaded question... do you think I blew my amp? or something less serious? Would it be expected for my treatment of the amp to blow it like that? and how big a deal do you think it would be to repair, as far as cost? I'm pretty sad, cause I haven't even had the poor Minx for a year (bought it last spring), and I was hoping to hear it sing on small gigs and stuff... and now I've gone and seemingly broken its voicebox :'(

    Thanks guys!
     
  2. I don’t think the amp but your speaker is toast I’m guessing. :(
     
  3. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Thanks BassmanPaul! Do you know how much it might cost to replace a speaker of that size?
     
  4. Call Peavey - they should know.
     
    Bluebard likes this.
  5. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Good idea, I'll do that!
     
  6. Nah, you didn't blow your amp... but your speaker is prolly quite pissed at you.
    Those amp marketing people love talking about the deep, throbbing, chest pounding, flesh bruising thumps you'll get from their single 10" cab playing at max volume -- does that seem a little suspicious to you??
     
    JackANSI, ONYX and Bluebard like this.
  7. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Glad to hear I didn't blow my amp at least!
    I'll have to look into getting the speaker replaced. Then it'll be really pissed at me x'D
     
    AshInAmsterdam likes this.
  8. RoadRanger

    RoadRanger Supporting Member

    Feb 18, 2004
    NE CT
    You might have just shaken the screws loose in the amp. Tighten them all a bit including the speaker mounting ones...
     
    codycon96 and Bluebard like this.
  9. You know that thing's a cheap toy, and should only be used as a doorstop, right?
     
  10. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    I think it would be too big for a doorstop :roflmao: I hope it isn't a cheap toy, I spent $130 on it. I know I'll have to upgrade to something bigger and better eventually (I actually have a bigger more powerful Peavey at home) but it was a bit much for college.
     
  11. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Thanks, I'll try that!
     
  12. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    By the way, is diming the gain and/or volume control (my amp only has a gain knob) on any bass amp a bad idea?
     
  13. Put that amp under your arm, and take it to a music store, and plug the extension jack into a real cab and see what it can really do.
    You'll learn about headroom, and that you shouldn't have to turn everything up for a nice sound... but to get anything like volume for gigging with your brother's drum set, you'll need more than that silly 35 watts.
     
    Bluebard likes this.
  14. I was thinking 38w at 4 ohms.
     
    Dennis Smith likes this.
  15. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    I don't really know anything about electric stuff, like watts and ohms and all that, but would there actually be a big difference between 35w and 38w?
     
  16. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    Thanks for the suggestion! Would you mind giving a bit more detail on the procedure of how you'd fix speaker paper with fingernail polish?
     
  17. Bluebard

    Bluebard

    Oct 21, 2014
    Buffalo
    45 watts, and what speaker size? I think my amp back home is 75 watts.
     
  18. jthisdell

    jthisdell Supporting Member

    Jun 12, 2014
    Roanoke, VA
    Yeah, as a general rule, you don't ever max out your volume, bass and gain controls, and not all of them at once. And don't add a drive pedal maxed out on top of that. Your amp will be producing maxed out square waveforms that are distorted and will fry any speaker. I don't think I've played any amp over 8 since I became an adult.

    An important part of musicianship is working with others, as in asking the other guys to turn down if you can't keep up with them (or turning yourself down if they are not as loud). Also good for keeping the neighbors and police happy. While it is fun to make some noise, if you want to make music a little less volume and more control is worthwhile. Goes for drums, bass, guitar, whatever.
     
    Bluebard likes this.
  19. 45 watts is the magic number. I rehearse 45 watts solid state through a sensitive 15" speaker with a loud rock band. No issue.

    My 40 watt practice amp however has no chance.
     
    Bluebard likes this.
  20. MoeTown1986

    MoeTown1986 Supporting Member

    Sep 14, 2010
    SoMD (Mechanicsville)
    What's wrong with your amp is you're expecting way too much out of it. To hang with a drummer you'd likely need more than double the wattage you have and at least a high end 112 cab: I wouldn't do it with any less than 100watts into a 210, 212, or 115.
     
    Bluebard likes this.

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