dieselmx":15iidbiw said:
Really? so you think I will notice that big of a difference with only the 2x12? So i would only use the 2x12 then right? In essence, I would only be gaining 1 more speaker? or use all 3 at once? What would you recommend?
I love the sound of the 1 speaker, so I am guessing it can only sound better with more speakers!
My ultimate goal would be to get the 2x12 .. but I already have 1x12 and would lose money on the deal only to gain 1 speaker if i did a trade or something.
You could use the 1x12 with the 2x12, but you have to make sure you appropriately set the inpedence match. For example, if you use 2 8ohm cabinets, then you have to set the amp to 4 ohms.
Resistance/impedance equation is for parallel circuits is: 1/total R = (1/resistance of 1st cabinet) + 1/(resistance of second cabinet). So if the cabinets are the same ohms, the equation just translates to dividing that number by 2.
So if the egnater speaker is 8ohms, then just set the amp to 4 ohms, and leave the combo speaker connected and add the cabinet (again, all this while it's off). Now, if the egnater speaker is 16 ohms, and the cabinet is 8ohms, then plugging it into the above equation the total resistance is 5.33 ohms. Since that's not one of the three options you have, you have to run a "safe mismatch". In this case you would run into the 4ohm output of the amp, because a "safe mismatch" is when the cabinet ohm rate is a higher number than the amplifiers. An UNSAFE (ie. don't do it) is when the cabinet ohms is a lower number. Examples:
Safe mismatch: 4 ohm amp output ----> 8 ohm cabinet
UNSAFE mismatch: 8 ohm amp output ---> 4 ohm cabinet.
Typically they say it's safe to mismatch one step higher, i.e. go for the closest value you can while still following the safe mismatch rule.
It may sound different running it this way, and at different ohms. I've heard people used to do safe mismatches sometimes to alter the sound a bit, but I just run it the way it's meant to be.
The egnater 2x12 is a great cab, but will sound different than a 4x12. You may prefer one or the other. The 2x12 is my favorite 2x12, but 4 speakers + more space is going to sound different. Not saying better or worse, because its all just preference. If you can, I suggest trying it out first, but either way is going to sound great and definitely bigger.
If you just want to run the combo as a head and only use the bigger, then I would say the best solution would be to get a head case for it and move the amp into that when you are using it for a show to cut down on weight and bulk. If you're using the combo with another cabinet, then just follow the instructions above.
(btw, for series resistance, it's just add them up: R = resistance1+resistance2+resistance 3 etc. When you use both the outputs of an amp head, you are adding them in parallel, like explained above. Sometimes cabinets that have a "speaker through" will say if it's in parallel or series so you know how to add up the total resistance.