Author Topic: mk3 dash speakers and second amp q's  (Read 3448 times)

Offline mellow yellow

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mk3 dash speakers and second amp q's
« on: 22 August 2010, 19:29 »
i had a little tinker round yesterday and decided to disconnect the dash speakers coz they sound poo. but when i did the door speakers cut out, so i guess they are wired in a circuit, so for the time being i have baffled them with some electrical tape  :lipsrsealed: 

is there a way to disconnect the dash speakers without the door speakers cutting out???

the door speakers (jbl mids and tweets via crossover) are just run off the head unit at the moment, but will be amped up soon......


which leads me onto my next question....

i have an amp in the boot running my sub and also want to amp my comps for which i have a separate amp, its only a cheapo one but will do til funds allow a better one.

my question is i know i can split the output from the head unit but can i also split the power and remote or do i have to run second  cables through the car. i've got another wiring kit but am lazy and would prefer not to run it all through the car again.

Offline B-chi

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Re: mk3 dash speakers and second amp q's
« Reply #1 on: 24 August 2010, 07:20 »
Power and earth to a distribution block then runs from dizzy block to amps.

What size power cables do you have? & what is the current draw of both amps (fuse rating)?

If for instance you have 2 amps that have 50-60a fuses each you'd need 4awg to dizzy, then could get away with 8awg from dizzy to amp.

Offline mellow yellow

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Re: mk3 dash speakers and second amp q's
« Reply #2 on: 24 August 2010, 11:26 »
not really sure to be honest, just bought them as kits a few years back?

i'm guessing then that i will have to upgrade the wiring then, so i may as well just run a second set of cables through the car for the second amp.

any ideas about the dash speakers?

Offline Len

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Re: mk3 dash speakers and second amp q's
« Reply #3 on: 24 August 2010, 11:30 »
Dash speakers ~ do what I did!  :grin:

As you are going to amp your door comps that leaves the front channel of your headunit free.
So fit some decent mid/tweets and run them off the HU.
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Offline B-chi

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Re: mk3 dash speakers and second amp q's
« Reply #4 on: 24 August 2010, 11:50 »
Running tweeters directly off a Hu isn't advised.

Tweeters only like high frequencies. Unless you can 'crossover' the speaker outputs of the HU high enough to just supply the high freqs the tweets like you risk damaging your tweeters. Also your HU will run speakers at 4ohms if the tweeters show a lower impedance you risk blowing the outputs of the HU.

Offline Len

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Re: mk3 dash speakers and second amp q's
« Reply #5 on: 24 August 2010, 12:17 »
Good job I have used MID/TWEETS then!  :rolleyes:
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Offline B-chi

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Re: mk3 dash speakers and second amp q's
« Reply #6 on: 24 August 2010, 12:20 »
What's mid/tweets?

Offline Len

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Offline B-chi

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Re: mk3 dash speakers and second amp q's
« Reply #8 on: 24 August 2010, 12:34 »
A coax. Yeah didn't know that's what you meant.

Coax's on dash, components in doors.

I personally believe comps set up right are the best option. I've got nothing in the dash holes.

Tweeters are on a pillar, mids are in doors, crossovers behind glove box, amp in rear 3/4.

Offline B-chi

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Re: mk3 dash speakers and second amp q's
« Reply #9 on: 24 August 2010, 12:35 »
Your system is only as good as it's weakest component