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I need a half stack bass amp that I can potentially add another cabinet to.

C

Corvette19

Oct 10, 2010
35
3
Greenville SC
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#1
I would really like a Fender rumble amp because I really, really love the tone of this Fender rumble 60. I see the Fender rumble 410 cabinet but I read somewhere that if I got a Rumble 350 head then I could not put two of the 410 cabinets with it but only one at a time. If you guys have any other suggestions for half stacks (I'm on a budget of less than 1000) and how I could get the most bang for my buck please say so. I want to know what your opinions are and a little more knowledge about the cabinet/amp head stuff.
 
#4
as stated above if you run a 4ohm amp through two 8ohm cabinets thats fine but never use two 4ohm cabinets, but remember while your using the halfstack (4ohm amp with 8ohm cabinet for example) it will only be half the power as the impedance of the cabinet is greater.

as a general rule you can run a :
2 ohm amp with either ONE 2 ohm cab or TWO 4 ohm cabs
4 ohm amp with either ONE 4 ohm cab or TWO 8 ohm cabs
8 ohm amp with either ONE 8 ohm cab or TWO 16 ohm cabs

one benefit of running 2 cabs is that usually (depending on what brand and quality ect.) having two cabinets increases headroom so your sound is cleaner as both amps are running at half the power of the head but are (usually) rated to the same output level as their lower impedance counterparts.

I hope this is not too confusing for you, it took me ages to get my head around impedance and mixing and matching cabs to heads when i started out, but when i joined up on talk bass i found everyone is very helpful and friendly :)
 
#6
jkingbass said:
as stated above if you run a 4ohm amp through two 8ohm cabinets thats fine but never use two 4ohm cabinets, but remember while your using the halfstack (4ohm amp with 8ohm cabinet for example) it will only be half the power as the impedance of the cabinet is greater.

as a general rule you can run a :
2 ohm amp with either ONE 2 ohm cab or TWO 4 ohm cabs
4 ohm amp with either ONE 4 ohm cab or TWO 8 ohm cabs
8 ohm amp with either ONE 8 ohm cab or TWO 16 ohm cabs

one benefit of running 2 cabs is that usually (depending on what brand and quality ect.) having two cabinets increases headroom so your sound is cleaner as both amps are running at half the power of the head but are (usually) rated to the same output level as their lower impedance counterparts.

I hope this is not too confusing for you, it took me ages to get my head around impedance and mixing and matching cabs to heads when i started out, but when i joined up on talk bass i found everyone is very helpful and friendly :)
Click to expand...

Thank you so much man! I really wanted to know more about the ohm stuff and how I could mix and match stuff. Thanks a lot man! :hyper:
 
#7
RickenBoogie said:
Just look for different cabs. You'll need to find 8 ohm cabs, then you can use 2 of them.
Click to expand...

Bingo. An 8ohm cab will still get plenty loud by itself (assuming it is any good to begin with). But then you can add another for bigger gigs/stages which will drop your load to 4ohms and not fry the amp.

Carvin and Avatar seem to have some pretty good deals. That should be a good place to start your search anyway.
 
#8
I bought the rumble 350 head with their 410 cab. As I gleefully left the music store, drove home, set up my first new rig in 15 years, it was at that point I remembered ohm ratings.

Oh we'll, I dig the setup, and for another $700 I could always double what I already have.
 
#10
Corvette19 said:
but I read somewhere that if I got a Rumble 350 head then I could not put two of the 410 cabinets with it
Click to expand...

As has been pointed out, this is true. One would be good by itself, but two...your amp might catch fire. This is because the cabs are 4 ohm cabs. 4 ohms plus 4 ohms equals 2. something or other--far lower than the head can do. There will be a puff of smoke followed by a great silence.

You could get the 350w head, though, and use it with a single 4 ohm cabinet. Or you could get a pair of 8 ohm cabs. (Not Fender Rumble 410s, though, it seems.)

I wonder, though. With only 350w pushed out to 4 ohm load, are you really going to be able to take advantage of two 410 cabs? I think...possibly no. It might just be a tall and heavy rig that wouldn't get much louder than a single 4 ohm 410 up on some milk crates.

If I was married to the Rumble line and limited to $1000 I might get the 350w head and a single, 4ohm 410.
 
#11
Correct 4+4 = 2ohm loading, If the amp isnt rated to run at that loading, usually a mosfet will blow.

I have a rumble 150, I used the lineout, (XLR) and split into a 400wrms poweramp, And power another 15" cabnet design i did, And also into a 12" folded horn. Really really fantastic tone!
 
#14
Traynor DB300H or DB400H and a decent used Eden or SWR 4x10 should be well within budget and have great tone. Simple to operate and tough as bricks. Can find the DB300H for $500 new. Can find both on the used very affordable. Direct out on them is almost as good as the Line6 stuff without having to deal with modeling.

DB300H 300w @ 8 Ohm 350w @ 4 Ohm Weight 13 Lbs.

As far as sticking to Fender tone - when I had one of these I could get a good bassman like tone without problem. Can get wicked clean Eden bell tones as well. Takes pedals exceptionally well right into the front end.

Still using Traynor/Yorkville and will never leave them again. Serious sleeper amplifiers. Great tone, versatile and rock solid dependability.

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