bass blockers, capacitors

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Ishinc

Copper - Posts: 109

Joined: May 22, 2002

Posted: September 13, 2004 at 1:56 AM / IP Logged

hey,

i did a seach on bass blockers and i wanted to know which capacitors i should get. it goes into a civic, with all the speaker replaced to sonys, no clue which model. what mf do you guys think i should get? i would like to have high and mids all around but no bass. thanks!

padawan

Copper - Posts: 215

Joined: June 11, 2002

Location: United States

Posted: September 13, 2004 at 10:33 AM / IP Logged

Here u go.... Bass Blockers

haemphyst

Platinum - Posts: 5,054

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: September 14, 2004 at 1:59 AM / IP Logged

i'm in the wrong damn business... i think i'm gonna go to snake-oil school! BWAHAHAHA 10 bux for a pair of non-polarized cheap-ass 50 øF electrolytic caps... !!! also, those frequencies seem WAY high... what frequencies are you trying to block? are you using an amp? if so, why not set the HP crossover on the amp? way better than a "Bass Blocker", with it's PFM description... (and i wish there was a way to let everybody HEAR my sarcasm...)

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

Charles_R_H

Copper - Posts: 122

Joined: May 15, 2004

Location: United States

Posted: September 14, 2004 at 3:56 PM / IP Logged

buy a deck with highpass crossovers if not an amp

you should always start with the deck when building a system

that's your source!

electronics run off of smoke, when you let the smoke out they stop working

Alpine Guy

Platinum - Posts: 2,478

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Joined: October 18, 2003

Location: Canada

Posted: September 14, 2004 at 4:19 PM / IP Logged

lookie here https://www.the12volt.com/caraudio/cross4ohm.asp , ,thats a chart for helping you decide, , you probably would want something in the 150hz- 200hz range, ,,then you can get some non-polarized caps for $5 all around at an electronics shop.

2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.

Ishinc

Copper - Posts: 109

Joined: May 22, 2002

Posted: September 14, 2004 at 9:24 PM / IP Logged

the deck is a pioneer deck, not bad...im am just rewiring a friends car because the person who installed it had no clue what they were doing...

i am aiming for 150hz, which caps should i be getting? i am not running this off of a amp, just directly off the deck without a highpass crossover.

the chart is a little confusing so i'm still not sure what to get....

stevdart

Platinum - Posts: 5,816

This member consistently provides reliable information

Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: September 14, 2004 at 11:31 PM / IP Logged

150Hz high pass capacitor...for 1st order 6db/octave: 265 microfarads. Here's one you can see shown at http://www.partsexpress.com/pe/pshowdetl.cfm?&PartNumber=027-370&DID=7, or this one to filter out below 125 Hz.

https://www.the12volt.com/caraudio/cross.asp

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

kgerry

Platinum - Posts: 3,455

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: September 15, 2004 at 10:27 AM / IP Logged

as an electronics guy i can tell you that the cost of non-polarized caps rises exponentially with the value ( uf )....

i can buy a bag full of 10 uf caps for a buck or two.....

but just try to buy a 400 or 500 or 600 uf non-polarized cap... they cost 10-15 bucks each !!!

in many cases i cant even buy them locally and am forced to buy from a couple thousand miles away or buy them from the car audio accessories suppliers.... of course i am stuck halfway between the Pacific and the Atlantic oceans and selections here aren't the best......

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

padawan

Copper - Posts: 215

Joined: June 11, 2002

Location: United States

Posted: September 15, 2004 at 6:54 PM / IP Logged

Yep, i bought a couple caps (non-polarized) from a local shop, to block bass from two front door 6X8s in a f-150 and i wound up paying $14 for two 260uF caps....So the ones crutchfield has aren't that bad in price....They will work just as well as any crossover to block lows if u get the right value capacitor....150Hz is about right....the X-over on my head unit is a 125Hz HPF and it works just the same as the bass blockers i put in for the dude with the 6X8s.

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bass blockers, capacitors

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