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Troubleshooting an Ampeg 6x10 cab

Discussion in 'Amps [BG]' started by grimvox, Dec 3, 2013.


  1. grimvox

    grimvox

    Dec 3, 2013
    First post here. Brief history. Just bought (yesterday) a bunch of new (to me) gear. Peavy Cirrus 5 18 volt. Ampeg 6x10 cab. Mesa Carbine M9 amp.

    The amp and cab were my band's now previous bass player. They have been around for a while. There's also a Fuhrman power conditioner and a rack-mounted tuner.

    Hooked everything up last night and was working fine. After about 20 minutes the sound cuts out. There is TINY amount of volume coming from the cab. Very tinny sounding. Plugged the amp into another cab in the room and sounded great. Know it's the cab.

    It doesn't seem like a blown speaker. I've had plenty of experience with that. There is none of that broken sound. Just the very quiet tinny sound.

    One of the speakers in the cab has been replaced within the last 2 months.

    Any ideas out there to what it could be? Would the higher voltage bass blow the crossover?

    Thanks!
     
  2. JimmyM

    JimmyM

    Apr 11, 2005
    Apopka, FL
    Disclosures:
    Endorsing: Ampeg Amps
    I'll bet a wire came loose inside. Check the replaced speaker.
     
  3. Not your bass but how you used it, may well have toasted the crossover in the cab. Inspection time.
     
  4. grimvox

    grimvox

    Dec 3, 2013
    What do you mean how I used it? Kept the gain on the amp at about 25% and the master volume about 50%. Had the volume knob on the bass cranked.
     
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  6. Meaning the voltage the bass works on doesn't matter. If you reckon you weren't pushing the cab hard then why would you think you blew the crossover?

    On the face of it Jimmy's bet looks more likely now. Knob position doesn't tell me anything specific but a hotter than most bass signal into a master on "half" could easily equal rated RMS power out on heavy notes.
     
  7. JimmyM

    JimmyM

    Apr 11, 2005
    Apopka, FL
    Disclosures:
    Endorsing: Ampeg Amps
    Usually I agree, DUW, but with an M9 on those settings and a 610hlf, it's pretty unlikely.
     
  8. My bad, I was referring to rated rms of amp. I don't actually know what that is.