webknome Posted May 16, 2017 Share Posted May 16, 2017 I am wanting to add a peavey Impulse II monitor speaker(16 ohms) to my existing 8 ohm speaker on my Spider Jam V, 75W. The total resistance of the speakers will be reduced from 8 ohms to 5.333 ohms: 5.333=(8)(16)/(8+16) A parallel connection connecting negative to negative and positive to positive speaker connections. P=I*I*R P=75 Watts, R=8 Ohms, I=3.06 Amps or P=75 Watts, R=5.333 Ohms, I=3.75 Amps *I am not sure the above calculations are correct. Will my amp be healthy and not fry or overheat from the additional amperage? I sing and play acoustic allot and I would like to monitor myself singing and playing but place the Spider Jam Amp in front of me , far enough away so my guitar and microphone will not pick up feedback. I am using the Spider Jam as the PA. I already changed out the Spider Jam's speaker with a Eminence Maverick speaker and am delighted with the fuller sound and versatility of the Maverick's adjustable inner magnet core. Any advice would be helpful and thanks, Quote Link to comment Share on other sites More sharing options...
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