helaesus2

Anybody know how to deactivate the amps while still using the speakers with an aftermarket head unit?

blackmax98

If they are similar to the ones that came with a 95 Camaro option with the Bose sound system I believe you shat out of luck. The amp is built onto the speaker if i remember correctly and to bypass it I think you practically have to re-wire the speaker. I'm not positive but that's all i can give you for heads up

ZeroSource00

iTrader: (5)

Here is a link to how to take out the amps. Bose Removal Instructions I dont remember which wires are used for the speakers though. I think there is a writeup somewhere around here.

Andrew

helaesus2

Can I just cut the wires that power the amps? Turn them off effectively?

driver824

i dont believe so.. try posting this in the audio forum..

blake

blkhawk500

iTrader: (3)

well there's 4 wires on the speaker harness...2 are for power n ground (the 2 thicker wires) and the other 2 are or for the signal...so im guessing you could just disconnect the harness and tap into the signal wires and connect them directly to the speakers.

blackmax98

But is the deck still sending an amplified signal or is it a different deck that lets the amplifiers on the speakers do all the work? probably want to figure that out before you go cutting any wires. I guess the question is why do you want to bypass the amplified speakers anyway????

nismos14

iTrader: (56)

you can't. the amp that you use to power them would have to be 1 ohm stable and most 4 channel amps are not. what are you planning to run them with? and yes please post in the audio forum. the deck is sending a pre-amp signal to the bose amps. it is not sending nearly enough power to amplify the speakers and the speakers would fry the head unit because of their resistance being 1 ohm

z32drifter

yes you can use your Bose speakers...you will have to rewire the system..... I would recommend a 1 ohm stable amp.... they are out there....both my Nissans (300ZX & Maxima) are wired using the Bose speakers....you have to take the speakers apart....you can pull the amps while thay are apart... cut the wires that are connected to the speaker cone....those are the ones you want to tap ....wire the speaker to your amp ..easy as that .. I can't rember the colors of the + and - wires ....use a volt meter before you take the system apart to determine the correct phase (+/-)
just a few notes... Bose speakers are .75ohm/ so if you run them off your headunits internal amp you will burn it out....I have a 25x4 ADS amp in the Z and a Hifonics 50x4 in the Max ... the stock Bose speakers can't handle the larger amp careful tuning was required to keep from blowing the speakers... speakers started clipping at high volume... I have had no problems with the smaller amp in the Z about 5yrs of cranking it..... the Max was converted about 6mths ago ....

helaesus2

Ok, I found a solution.
You can use the stock wiring for the speakers. Just snip the amp wires to turn them off and put the speaker wires directly on the speakers. I have a sony headunit and it sounds great on them. the front doors were kinda a pain to do but hey. re-wiring them would be a better way to do it but time/cost constraints prevent that for me. I no longer have the background noise from the speakers being turned all the way up and not being able to take my head unit beyond level 2. Thanks.

nismos14

iTrader: (56)

helaesus2 i wouldnt count on that headunit lasting too long running the bose speakers...

helaesus2

It ran my '93 BOSE speakers for right at one year. I took it out when I sold the old girl. (*tears up at thought of old maxima*)

VQ of Bodom

If the speakers themselves fun at .75 ohm, what do the amp+speakers run at? 1ohm? 4 ohm? 8 ohm?

nismos14

iTrader: (56)

it all depends on what speakers you have and what setup u chose to go with, as well as how its wired. i have a dvc pioneer sub. both of its coils are 4 ohm but my amp's are running bridged to each voice coil. because the amp is in bridged mode they are running at 2 ohms mono, so my system is at 2 ohms

VQ of Bodom

I mean the stock bose system.

DoNcHoYaX1

Well I just removed the bose speakers from the rear and put in my CL 6x using the stock bose wiring. Its fairly easy. It took me about 20 min to take the seats out, take the speakers out and in. and do the splicing. It be like 5to 10min more if you remove the speakers from the amp and hook them up. if you have any ?'s PM me.

SonicDust187

iTrader: (11)

I am using hte preouts of my HU to power my bose speakers, and no they wont burn out the HU.

Maxima 504

yeah thats how my HU is set up to the stock speakers.. I've heard that the internal amp on the HU isn't even being used, so how would it burn the HU out?

nismos14

iTrader: (56)

thats different than using the speaker outputs of the headunit to power up the bose speakers without the bose amps

fishpony

iTrader: (2)

how can u wire up the preouts to the bose amps?

nismos14

iTrader: (56)

cut rca's and wire the open ends to the old wires going to the inputs of the bose amps and the rca plugs into the aftermarket HU

Teameyekon

I just bought an adapter that shuts off the Bose amps and enables me to use the pre-outs on the HU. It took me all of 10 minutes tire that up and it sounds better than the Factory HU. I don't even have an amp running my interior speakers. Just make sure that you use a quality HU to bring out the sound in you Bose speakers.

Teameyekon

http://peripheralelectronics.com/2002/home.asp

they have the adapters

fishpony

iTrader: (2)

ok i cut some rca's up and wired them in and my stock speakers sound really good but whenever i turn it on and off or change tracks on a cd it makes a popping noise through my speakers. anyone know how to prevent this?

SonicDust187

iTrader: (11)

OMG, I have the same thing, someone please tell us how to stop it. Oh guys my HU only provides 2.2v preout, do you think its worth it to get devices that will raise the preouts voltage?

rapidsft

Wouldn't it be better to just install a 4 channel amp and hard wire each speaker directly from the amp. Install a new headunit 1st, then use the preouts to the amp.

PerfectVQ I30

Can you use a PAC converter on the inputs of the amp to get rca's and run it off a after market preamp out puts? I just want to replace my head unit.