if i have one 100 watt combo amp, can i connect a 100 watt speaker along with the speaker thats already in the combo?
Quote by matthew21199
if i have one 100 watt combo amp, can i connect a 100 watt speaker along with the speaker thats already in the combo?

http://www.eminence.com/support/wiring-diagrams/

If they're the same impedance, you'll halve it since this is parallel.

Not sure what happens if both speakers are different impedance.

Quote by matthew21199
if i have one 100 watt combo amp, can i connect a 100 watt speaker along with the speaker thats already in the combo?
If you can change the output impedance from the amp, yes.

Refer to the link to the eminence website to discover the total load impedance and see if your amp has an output of that impedance.

If your amp has a SS power section you simply need to keep the load impedance higher than what's written on the amp's output.
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On a tube amp, just connect them in series and you're fine as long as the impedance matches that of the amp, or is higher. If the amp's impedance selector is set to 8 ohms and you connect two 8 ohm speakers in series, you end up with 16 ohms, which is safe. If you connect them in parallel, you end up with 4 ohms, which would be bad for an amp set to 8 ohms.

Connecting speakers with different impedances is fairly easy to figure out. Just add the impedance value of each speaker together. If you have them in parallel, there's an easy formula.

http://www.wikihow.com/Calculate-Series-and-Parallel-Resistance
Quote by matthew21199
if i have one 100 watt combo amp, can i connect a 100 watt speaker along with the speaker thats already in the combo?

What amp are we talking about here? It depends on what you have and what the manual says.
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Quote by matthew21199
if i have one 100 watt combo amp, can i connect a 100 watt speaker along with the speaker thats already in the combo?

It depends on the amp. Not enough information.

If you have a combo amp that's already putting out a max load at a given impedance and you plug in an external speaker that takes the impedance below what the amp can handle and maintain stability, you stand a chance of damaging something.

If not, no problem.
Quote by KG6_Steven
On a tube amp, just connect them in series and you're fine as long as the impedance matches that of the amp, or is higher. If the amp's impedance selector is set to 8 ohms and you connect two 8 ohm speakers in series, you end up with 16 ohms, which is safe. If you connect them in parallel, you end up with 4 ohms, which would be bad for an amp set to 8 ohms.

Connecting speakers with different impedances is fairly easy to figure out. Just add the impedance value of each speaker together. If you have them in parallel, there's an easy formula.

http://www.wikihow.com/Calculate-Series-and-Parallel-Resistance
From what I've understood, tube amps do not like imp matches of any degree. Solid State amps tolerate mismatches like you have described. But tube amps don't like it, match your imps exactly. Although I could be remembering it wrong.

Something something power tube imps something something transformer tap something something Roc8995
Last edited by Will Lane at Aug 29, 2015,
Quote by metalmingee
What amp are we talking about here? It depends on what you have and what the manual says.

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