If i wire a 8 ohm speaker parallel with an 8 ohm piezo horn, what is the total ohm,s output ?
Thank,s for any help.
ps;thank you all who answered my last question.
regards
Andrew
Thank,s for any help.
ps;thank you all who answered my last question.
regards
Andrew
A piezo horn is not 8R. It will be infinity at DC and approximately 2R at 50kHZ. That is why they don't need a crossover.
The woofer dominates the impedance and power handling aspects of most speaker systems so yours can be considered 8ohms nominal. I would suggest using some kind of crossover with the piezo however, my experience indicates that they sound better that way and it's safer for the amp.
The crossover network for a piezo tweeter consists of a resistor in parallel with the tweeter and a capacitor in series with that combination.
A 4.7uF non polar capacitor and a wirewound resistor in the range 6 to 10 ohm will give a shallow low-end roll off below 5,000Hz.
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