Questions & Answers for: lpf

Question about PLA4240 Car Audio Amplifier

1 Answer

overtightened lpf knob i was adjusting the frequency on my lpf and i overturned it and the sound just kicked off is there any way to fix the knob it seems like the POT is going to have to be replaced ...

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Question about W200i Cellular Phone

1 Answer

HPF and LPF problems i have just brought a Sony CDXGT828U head unit, it has a LPF but i cant find if it has a HPF i dont think it does, anyway i have a 1000w fly amp powered by a 700w kenwood amp. It ...

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Question about Punch 401S Car Audio Amplifier

1 Answer

Frequencies I have a lpf on my head untit and i have an lpf on my amp. The amp is powering subs and I know the lpf is supposed to be on. My question is which lpf should i use the head unit one or the ...

Question about Punch 401S Car Audio Amplifier

1 Answer

what do hpf and lpf switchs do Hello rwalinske, The abbreviations "hpf" and "lpf" stand for High Pass Filter and Low Pass Filter. They do exactly what their names imply. They allow frequencies above ...

Question about Punch 401S Car Audio Amplifier

1 Answer

After installing my subs, both audio and bass comes from them. i cannot figure out why this is. look at the low pass on the amp it lill say hpf full and lpf make sure its on lpf its a switch

Question about Thunder 801D Car Audio Amplifier

1 Answer

mtx 801d amp turns on but no bass just high pitch sound sub is fine if theres a switch on ur amp that says LPF Full or HPF put it on LPF for low pass frequencies

Question about eXcelon X1200M Car Amp

1 Answer

Turn vocals off If its a sub amp.....There should be a switch that says lpf/full/hpf....Make sure its on lpf (low pass filter....)

Question about LPF 4800 Multimedia Projector

1 Answer

fujitusi multimedia projector about its lumens and prices The Fujitsu LPF 4800 has 1500 lumens and was first sold back in 2001. Then 3 years later they stopped selling it. It cost about US$6000 when ...

Question about LPF 4800 Multimedia Projector

1 Answer

wiring diagram for ballast number ebcf-127-120v-lpf Lamp ballast for reading lamp The following sites contain all the information on the EBCF127-120V-LPF ballast. PC board layout: ...

Question about GM-X962 Car Audio Amplifier

1 Answer

what is lpf switch dont know what the lpf switch is used for i have 1 sub to run lpf is low pass frequency.  You would want to have it turned on if you are running a sub off the amp.

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