Wiring two speakers in parallel, off a premade crossover? - Page 3 - diyAudio
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Old 22nd September 2012, 09:55 AM   #21
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6db at 2volts (2 watts into 2ohm), yes, but my reference voltage is 2.83volts, as the tweeter will be 8ohm.
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Old 23rd September 2012, 03:06 AM   #22
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Re 3.25 [Ohms]
Fs 69.31 [Hz]
Qms 3.892
Qes 1.971
Qts 1.308
Vas 6.313 [liters]
L10k 0.53 [mH]
dBSPL 82.17 [1W/1m]
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Old 29th September 2012, 09:36 AM   #23
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Old 29th September 2012, 11:19 PM   #24
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I used 6ohm as the impedance for the tweeter when calculating the 3800Hz crossover point, despite the tweeters having an 8ohm nominal impedance, their actual measured impedance between 3000 and 4000Hz is 5.9 to 6ohm

On another note, I drew out the schematic for the original crossovers, they appears to have zobel network across the woofer, and when running the tweeter at -3dB, (by simply adding a 1.5ohm resistor in series) the crossover point is moved lower...

Which kinda makes sense that you'd want to cross over higher when running more power to the tweeter, but it also means that how I currently have it, there's an even bigger hole in the frequency response than what there used to be
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