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Vintage cab, modern head? (Ampeg V4B 2x15)

Discussion in 'Amps and Cabs [BG]' started by life.swallower, Mar 28, 2015.


  1. life.swallower

    life.swallower

    Feb 6, 2015
    I did a research on here but couldn't find a complete answer to my question.

    I'm grabbing a Ampeg V4B cabinet with the 2x15" 421a Altec Lansing speakers next week and I was wondering what kind of modern amp would make a great pair with that cab (I can consider vintage heads as well).

    I'm looking for a 400+ watts or so since I'll be playing gigs with that setup.

    Thanks
     
  2. life.swallower

    life.swallower

    Feb 6, 2015
    Forgot to mention, bass is dropped low F0 and playing Hardcore/Death/Djent kind of music.
     
  3. Wrong cab unless you have 4 of them and a highpass filter. The drivers have limited sensitivity below 100hz. Please be kind to them and their 100w power handling. Your F0 is apt to make mincemeat of them.
     
    D.M.N., Omega Monkey, Timmah and 2 others like this.
  4. JimmyM

    JimmyM Supporting Member

    Apr 11, 2005
    Apopka, FL
    Endorsing: Ampeg Amps, EMG Pickups
    Bah, stop bumming us all out ;)

    Anyway, here's a nice little modern head that might go well with it:

    320730.
     
  5. That's only going to work with technicians who mic everything up and tranquillise the drummer. ;)
     
  6. life.swallower

    life.swallower

    Feb 6, 2015
    Downunderwonder: thanks for the advice. I might not push the speakers heavily ans play rather slow. I still think this cab may be a good starting point in my "rig of doom" combination. (May be addind a 810 in the future).

    JimmyM: Aren't those V4B reissue only 100watts. Might lack a bit of power for gigs.
     
  7. JimmyM

    JimmyM Supporting Member

    Apr 11, 2005
    Apopka, FL
    Endorsing: Ampeg Amps, EMG Pickups
    Your cab is not loaded with Eminence 3015's, bro ;) You can put no more than about 200w into that cab safely with 421a's in it, and some might argue that that's pushing the issue. Great sounding speakers but power handling wasn't very good back then.
     
  8. life.swallower

    life.swallower

    Feb 6, 2015
    You're sooo right. I guess Il just throw some 3015s in there before even looking into an amp. I came accross these a couple weeks ago but now it makes sense.

    This way Ill pretty much be able to play any head on that cab.

    Thanks for the reminder!
     
    BALTOBASS likes this.
  9. Better idea to flip the cab to someone who doesn't need to raise the roof with F0.
     
    yakmastermax and HawldieMPB like this.
  10. One thing to keep in mind is the Altec 421A is a very sensitive speaker - rated at 102dB and that's not just at 1KHz. That's with a swept signal. This means that while it can't take much power, it doesn't need an awful lot either. You might want to give the cabinet a good workout before you put different speakers in it because they might be unnecessary for your needs.
     
  11. The Altec chart tells a very different tale in the sub 100hz region.
     
  12. spaz21387

    spaz21387

    Feb 25, 2008
    Portland oregon
    Another vote for the v4b reissue. I love mine. It may be 100 watts but its a loud 100 watts. I play in a loud punk band and it keeps up with my guitarist running an all tube peavey vk100.
     
  13. Whole lot of F0 going on in punk these days?
     
    BALTOBASS likes this.
  14. spaz21387

    spaz21387

    Feb 25, 2008
    Portland oregon
    In my main band I tune to drop d (my guitarist tunes standard). In my side project I play squier vi tuned to drop c. Its more of a grindcore noise punk thing. No super low tunings for me the strings get too floppy even with dr ddts.
     
  15. Nighttrain1127

    Nighttrain1127 Supporting Member

    Nov 27, 2004
    Near Worcester MA
    According to the Altec specs those 421's were rated at 70 watts RMS so 140 RMS for the cab. It will get pretty loud with a V4B head but you still need to be careful of how much you push those old speakers. I had one up until a few months ago but it was way to heavu and big to be tractical for much. It did sound decent but ont much real low end and very limited power handling.
     
  16. gricko

    gricko

    Mar 29, 2004
    i'm not quite sure that cab can support 3015s. board, glue, bracing were not designed to support that kind of rumbling.
    as for wattage vs. loudness - we play BEAD and my 70s v4b into generic 4x10, turned to 9 o'clock, destroys my guitarist's 2x half stack [JMP and bassman 135].
     
    MattZilla likes this.
  17. Nighttrain1127

    Nighttrain1127 Supporting Member

    Nov 27, 2004
    Near Worcester MA
    You won't get much below 100Hz out of the original speakers. And there is very little space for more modern speakers to work properly in due to the semi folded horn design. I had a pair of Eminence legends in mine for a very short time just to see what it did and it was not an improvement. it could get louder but even less bass than the Altec 421's.
     
  18. cfsporn

    cfsporn

    Aug 20, 2011
    New York City
    Sell the cab, buy a couple GK Neo 212s and a 1001RB.
     
  19. life.swallower

    life.swallower

    Feb 6, 2015
    Good thing the cab is still in it's owners hands. I guess Ill have to retract and deepen my research for a good low-end rig to play my F0 bass.

    Thanks everyone for opinions.
     
  20. cfsporn

    cfsporn

    Aug 20, 2011
    New York City
    Start here.
     
    Jim Carr likes this.

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