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Post subject: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Tue Mar 20, 2012 9:53 pm
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I got a good deal on a used baseman 1200 amp. I play in a punk/metal band so we are loud. I don't need all the power this amp has, but I would like to team it with two rumble 4x10 cabs as I don't want to spend the money on the baseman pro series cabs. I think I would be ok. Am I correct? And what about using this amp with one rumble 4x10 cab for small bars/clubs? Cab rated at 500 watts, not sure what the 1200 is rated at 4 ohms (600w?). I don't see a limit switch on this amp, so i don't want to blow a cab up. Any advice would help. New to Fender and seems like good equipment.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Thu Mar 22, 2012 7:44 pm
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You should be fine. The amp runs 800 watts at 4 ohms, but I seriously doubt you'll be even utilizing that much power. I think the cab has a program power of 1000 watts, so I assume it will handle it.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Sun Mar 25, 2012 5:36 pm
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If you use a PAIR of Rumble 4x10 cabs, each being 4 Ohm cab, you'll then have a load of 2 Ohms. Each cab is rated to 500 watts continuous x 2 cabs = 1000 watts for the pair. The amp however will be capable of 1200 watts RMS into a 2 Ohm load. Still if you keep it down to half volume or less, which should be plenty, you will likely be pretty safe. However I would consider cabs with more power capacity. The Bassman 4x10 has the same power specs but is 8 Ohm. A pair of those for a 4 ohm load would be perfectly safe for the 800 watt amp output into 4 Ohms, but more expensive than the Rumble 4x10's. Another option I'd look at is Avatar's 4x10 which is rated 1400 watts into your choice of either 4 or 8 Ohms. A pair of 4 Ohm Avatars would do nicely.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Mon Mar 26, 2012 3:15 am
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What's the point of buying new speakers when the ones he has are fine. It seems like a stupid idea to me. Waste of time and money.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Mon Mar 26, 2012 11:22 pm
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Thanks for the info. I think i'll stick with the Rumble's, they seem like a steal out there for $299.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Wed Mar 28, 2012 2:31 am
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BassPaulL wrote:
What's the point of buying new speakers when the ones he has are fine. It seems like a stupid idea to me. Waste of time and money.


Where does it say he already has cabs for this amp? I was going on the basis of the info given which is that he had acquired the head and was planning on getting cabs for it.

Gorsh why the nasty attitude BP dude? I think I'm perfectly capable of matching amps and cabs. Telling him the Rumble cab is perfectly OK might not be the most sound advice.

I may in fact be stupid, but I can read specs. Just about any idiot can. Those cabs he is looking at buying are not rated high enough to be 100% compatible with that head, but if you hold it down they should be ok. However I won't guarantee that someone won't ever crank it a bit too high. Maybe it will be someone else and not the actual owner, say for example when the owner loans the rig out to a "friend" who needs to borrow a rig for a gig and he decides to see how loud it can go. POOF!

Stupid is as stupid does BP.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Wed Mar 28, 2012 6:08 pm
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I was under the impression he had the cabs already. I have noticed in other posts, others have said buy this or this when they have the gear already. The problem with that is you will always lose your $@! trying to sell your stuff when you often don't have to. I know, I've made that mistake when I was younger.

I didn't mean to say, nor imply you were stupid. I just didn't want him to make any financial mistakes with his gear. I just hate to see people get screwed, especially when they ask for advice.

Looking back on my post, it does read like I was having an attitude. I should have worded it better. I think I was pissed off about something else when I wrote it that day, so I might have not been so diplomatic.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Wed Mar 28, 2012 7:37 pm
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BP, I was going under the assumption that he didn't yet have cabs. Maybe we both were wrong! LOL.

Yeah isn't it funny that an amp you pay $2,000 for is worth $500 at trade in time a year later?


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Wed Mar 28, 2012 8:04 pm
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thanks again for the responses. didn't want to cause any stir. i did not have the cabs yet, but decided to give them a try and see if everything works out. it just seems very confusing about continuous and program watts. they advertise the higher number, but most of what i read say cabs won't hold up to those numbers. it doesn't seem to be a very clear issue. why not just have one rating and that's it, instead of everyone having different ratings systems. big difference of 2000 watts cab power with a 1200 watt head as compared to 1000 watts cab power with a 1200 watt head. if they can't hold up, then it seems, in a way, false advertising. not just by fender, but other manufacturers also. at least that's what it seems to me.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Thu Mar 29, 2012 1:31 am
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The 500 Watt Continuous rating is short hand for 500 Watt Continuous RMS Watts.

There is a good read here: http://www.bcae1.com/speakrat.htm

Pay attention to the abusive use part and the clipping part. Based on my experiences more speakers and horns (and most bass cabs have horns these days) blow from amp clipping than from the application of clean power up to the RMS power rating of the voice coil. When you get into high power applications, the power amp clipping really becomes the problem that can cause speaker voice coil failure.

Bass frequencies demand a lot of power relative to midrange and treble. When you crank up the bass knob or U-shape the graphic EQ or hit the "DEEP" button it is easier to drive the power amp into clipping.

My basic rule of thumb is that if I have to turn the master past the half way point, I need a bigger amp for that application. When getting a bigger amp isn't possible at that moment I turn the bass down and the "Deep" switch off before going past half volume.


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Post subject: Re: Teaming a Bassman 1200 with rumble 4x10 cabs
Posted: Mon Apr 02, 2012 8:37 am
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brotherdave wrote:
BassPaulL wrote:
What's the point of buying new speakers when the ones he has are fine. It seems like a stupid idea to me. Waste of time and money.


Where does it say he already has cabs for this amp? I was going on the basis of the info given which is that he had acquired the head and was planning on getting cabs for it.

Gorsh why the nasty attitude BP dude? I think I'm perfectly capable of matching amps and cabs. Telling him the Rumble cab is perfectly OK might not be the most sound advice.

I may in fact be stupid, but I can read specs. Just about any idiot can. Those cabs he is looking at buying are not rated high enough to be 100% compatible with that head, but if you hold it down they should be ok. However I won't guarantee that someone won't ever crank it a bit too high. Maybe it will be someone else and not the actual owner, say for example when the owner loans the rig out to a "friend" who needs to borrow a rig for a gig and he decides to see how loud it can go. POOF!

Stupid is as stupid does BP.



What he said! Yeah! Come on Brother Dave let's go!


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