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Default How to wire Speaker Cabinets
by KevinR 07-20-2009, 11:13 PM

Series Wiring:

For speakers in series you add the impedances of the speakers together.
To determine the wattage you add the wattage of the speakers together.

(2) 8 ohm speakers you'd have a 16 ohm cabinet.
(2) 200 watt speakers you'd have 400 watts of power handling.





______________________________

Parallel Wiring:

Speakers of equal impedances you divide the impedance value by the number of speakers.
To determine the wattage you add the wattage of the speakers together.

(4) 16 ohm speakers in parallel you'd have a 4 ohm cabinet.
(2) 16 ohm speakers in parallel would give you an 8 ohm cabinet.
(4) 100 watts speakers you'd have 400 watts power handling.
(2) 100 watt speakers you'd have 200 watts power handling.








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Series/Parallel Wiring:

All speaker's should be the same impedance & wattage.
The impedance of the cabinet will be the same as one speaker.
The wattage will be 4 times the individual speaker wattage.

If you're using 8 ohm speakers the cabinet will be 8 ohms.
If you were using 100 watt speakers the wattage for the cabinet will be 400 watts power handling.





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  post #2 (permalink)  
Old 08-14-2009, 06:10 PM
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City: Columbia
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Instrument: Electric Guitar
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I have and old cab with 3 12" speakers. One is 16 ohms, the other two are 8 ohms wired in series, then paralled with the 16 ohm speaker. Gives and 8 ohm load, 4x12 sound, and a lot lighter to tote to the gig

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