#1
so heres my question...

combo amps come with an output to connect to a cab...

so if i've got a 50W combo with 1x12" speaker...

what would be the advantage of hooknig up to a 2x12 or so cab be?
#2
This may need to go in the gear section, but an advantage would be the change in resistance of the speakers. My marshall combo has 1-12" 16 ohm speaker. If I hook the amp section up to an 8 ohm cabinet I will effectively increase the output of the amp, due to the lower resistance.

edit-I was not saying to hook 8 ohm cab, and the orig. speaker on the amp., but use the 8 ohm cab. instead. Some amps will have for example a 50w rms 16 ohm rating and a 75w rms 8ohm rating thats all I was saying. Post was also moved to Gear forum.
Gibson ES335
Ibanez RG370DXGP
Ibanez SA Series
Fender Acoustic
Marshall JCM800 1-12 split channel
Last edited by zoomy74 at May 16, 2008,
#3
ok...

i didn't think you were supposed to mix impedances...

so you are saying that...if my combo was 50W with 8ohms impedance...if i hook up to a 2x12 cab...i'm still only gonna have 50W...but if i was bold and moved to a 4ohm...i could get louder?
#4
This really needs to be brought to the Gear forum. I'm sure there are others there that can give better advise than I on this.
Gibson ES335
Ibanez RG370DXGP
Ibanez SA Series
Fender Acoustic
Marshall JCM800 1-12 split channel
#5
it doesnt effectivly increase the output of anything, your just going to blow something eventually. you arent supposed to mix impedances at all, totally wrong-o.

the real advantage would be

1. voicing of different speakers
2. if its open back, then you will get more mid-treble frequencies
3. if its closed back, it will be heavier on the bass frequencies
4. you just want more speakers or a larger rig!
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