Which bass blockers to order?

[2010 Infantry Vet]

I need to order bass blockers for my infinity kappa perfect 3.5” midranges i bought for my dash. They are 150 hz-10K hz. I cant afford a dsp yet and do not have a crossover, so i will be using my rockford amps crossover. Which freq bass blockers should i buy?
This is my amps high pass specs:

 

[2010 Infantry Vet]

Would these work?

 

[BWL]

Your amp can cut out 250hz and below. That should be enough.

 

[BWL]

That blocker is 150hz. Your amp is adjustable from 50 to 250hz set to high pass. No need to add a bass blocker at all.

 

[2010 Infantry Vet]

Or i can use my amps crossover set at 150hz but i need a capacitor to cutt off at 10k hz. Any ideas?

 

[2010 Infantry Vet]

That blocker is 150hz. Your amp is adjustable from 50 to 250hz set to high pass. No need to add a bass blocker at all.

What about cutting off the highs at 10k? There has to be a tweeter capacitor i can buy.

 

[BWL]

Your amp has a crossover point adjustable from 50 to 250hz and high pass means you play the high side and low pass the low side so no matter what you do the bass blockers are good for nothing. Coax mids play the full range and the tweeters have a resistor to cut the lows out of the tweeters. I'm not sure how to cut the 10k and up frequency without a dsp, but they'll still sound way better with the low frequency cut out.

 

[2010 Infantry Vet]

Your amp has a crossover point adjustable from 50 to 250hz and high pass means you play the high side and low pass the low side so no matter what you do the bass blockers are good for nothing. Coax mids play the full range and the tweeters have a resistor to cut the lows out of the tweeters. I'm not sure how to cut the 10k and up frequency without a dsp, but they'll still sound way better with the low frequency cut out.

Thanks. Im going to use my amps crossover set at 150hz but ai would think they would make a capacitor i could add that will cutoff at 10k hz, but i have not been able to find anything.

 

[2010 Infantry Vet]

My alpine headunit has all kinds of eq adjustments, and 3 sets of rca outputs...sub, front, and rear. But im not sure the built in eq or alpine tune it app will adjust for rca outputs. (Im not too technically proficient on this stuff).

 

[88ROOK]

the 600hz from crutchfield

Crutchfield Bass Blockers
Pair of inline frequency filters (600 Hz cut-off)

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Item #: 007BB600



In Stock

• pair of inline high-pass filters (600 Hz cut-off)
• handle up to 50 watts RMS
• 6 dB per octave roll-off

 

[2010 Infantry Vet]

the 600hz from crutchfield

Crutchfield Bass Blockers
Pair of inline frequency filters (600 Hz cut-off)

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Item #: 007BB600



In Stock

• pair of inline high-pass filters (600 Hz cut-off)
• handle up to 50 watts RMS
• 6 dB per octave roll-off

Thanks bud, but i will be powering my midranges with 100 rms each. After some members help, I found my amp will filter out anything below 150 hz, but i need something cheap to filter out above 10K hz.

 

[BWL]

What you're looking for is a 10k low pass filter. I'm looking, but the wiring diagrams for making them makes my head hurt and I can't find any manufacturers that make them as an off the shelf product.

 

[Witch]

Here is a list of different capacitor mf ratings based on resistance

 

[WilliamS]

Do not overlook bass blockers are a 6db curve. So for a 3.5 Id be in the 500hz range to keep the lows out. Such a shallow slope it will still let some of the lower frequencies in but not into the sub range.

 

[2010 Infantry Vet]

Thanks guys for helping me look for something to keep the highs out. I still cant believe a simple capacitor looking thing isnt available to filter out the highs

 

[adrianp89]

Just let them play free on the top end. They aren't going to truly play that high, at least audibly. I would just save your money towards a dsp.

 

[WilliamS]

Thanks guys for helping me look for something to keep the highs out. I still cant believe a simple capacitor looking thing isnt available to filter out the highs

you need a choke/coil to get rid of highs.

 

[BWL]

Rollover image to zoom Click for larger image


Manuals & Resources
Dayton Audio Manufacturer Warranty
Dayton Audio 6k-LPF-4 Low Pass Speaker Crossover 6,000 Hz 12 dB/Octave

 

[BWL]

The one I posted above is $5.93 each (you'd need 2) from parts express. meant for 4 ohm speakers and handles up to 250W

 

[2010 Infantry Vet]

The one I posted above is $5.93 each (you'd need 2) from parts express. meant for 4 ohm speakers and handles up to 250W

Thanks BWL. I will check them out.