For a two way speaker, I want to make a 1st order PLLXO with 300 hz crossover point. My audio chain is as follows: Desktop PC> Asynchronous USB DAC> PLLXO > Lowpass and Highpass out> one Preamp before one powers amps for woofer and full range driver. So i will be using two preams and two power amps. Preamp for Lowpass section has got 100 k input impedance and 10 ohm output impedance. Preamp for the Highpass section has got 50k input impedance and 170 ohm output impedance.
In PLLXO calculator, should i put crossover frequency 300 hz in both Lowpass and Highpass sections or it should be different?
In the Highpass section should i use 50k (R preamp) as R1?
Can someone help and guide me please?
In PLLXO calculator, should i put crossover frequency 300 hz in both Lowpass and Highpass sections or it should be different?
In the Highpass section should i use 50k (R preamp) as R1?
Can someone help and guide me please?
Only the high pass filter is dependent on the Rin of the amplifier. Easiest if you use it as the R for the HP filter.
dave
dave
Using the Highpass amp input resistance, i got value for capacitor only. Hope i have done it right. So if i use the Ramp as R1 in highpass then only a capacitor is to be used in the high pass circuit. Am i right?
if you use the Rin then the entire HP filter is a single capacitor (althou you may have to parallel some to get the right value)..
dave
dave