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Car Forum / Driving, Maintenance, Tuning / Car Audio / March 2004

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6 speakers ran off of deck power...  ?

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dontbelievethis@hotmail.com - 18 Mar 2004 02:41 GMT
Can a guy run 6 speakers off of deck power?

Its in a 92 jetta... it has front 4" in the dash, 6.5" in the door,
and 6.5" in rear ...

how can a guy wire up all 6 speakers to deck power?

will it ruin the deck ?
MZ - 18 Mar 2004 08:10 GMT
> Can a guy run 6 speakers off of deck power?
>
[quoted text clipped - 4 lines]
>
> will it ruin the deck ?

If you high pass the 4 high enough, it shouldnt be a problem.
Eddie Runner - 18 Mar 2004 19:01 GMT
no problem at all...

> Can a guy run 6 speakers off of deck power?
>
[quoted text clipped - 4 lines]
>
> will it ruin the deck ?
EFFENDI - 18 Mar 2004 21:16 GMT
> Can a guy run 6 speakers off of deck power?
>
[quoted text clipped - 4 lines]
>
> will it ruin the deck ?

Of course you can do it. Is it a factory deck?? In my opinion it would
probably sound pretty bad at high volume, due to a lack of high power
amplification. It might shorten the lifespan of the internal amplifier
on the headunit if you are running a low ohm load or bridging channels
and stuff like that. (most of them are just an IC chip, not too
powerful) The newer Alpine V-Power, and Sony headunits put out around
25W RMS which isnt bad if you have smaller-size speakers that wont take
a lot of power. I dont know the specs on the rest of your system but if
you can afford it I would get a separate 4 or 6 channel amp with more
power than the headunit's internal amplifier. Most of the time if it is
installed correctly it will sound much better.

EFFENDI
Eric Desrochers - 19 Mar 2004 01:19 GMT
I'll step in!

> The newer Alpine V-Power, and Sony headunits put out around
> 25W RMS

Anyone know if a CDA-9815 will tolerate a 2 ohms load?  The HU is fan
cooled so I suppose the IC won't melt.  Any idea of the 2 ohms power
output?

> which isnt bad if you have smaller-size speakers that wont take
> a lot of power.

This is not directly against you but I wonder why people always
recommand against using components on HU power.  Because a speaker have
a 250 watts rating doesn't mean you absolutely have to feed it as much!
25 watts will play too!  According to specs, component are no less
efficient than coax.  So, what gives?

Just because one decide that 25 watts/channel is sufficient in his car
doesn't mean he have to suffer marginal coax to go along!

(End of rant!)

Cheers!
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Eric (Dero) Desrochers
http://homepage.mac.com/dero72

Hiroshima 45, Tchernobyl 86, Windows 95

MZ - 19 Mar 2004 01:57 GMT
> > The newer Alpine V-Power, and Sony headunits put out around
> > 25W RMS
>
> Anyone know if a CDA-9815 will tolerate a 2 ohms load?  The HU is fan
> cooled so I suppose the IC won't melt.  Any idea of the 2 ohms power
> output?

What two ohm speaker are you using?

> > which isnt bad if you have smaller-size speakers that wont take
> > a lot of power.
[quoted text clipped - 4 lines]
> 25 watts will play too!  According to specs, component are no less
> efficient than coax.  So, what gives?

There usually is an efficiency difference, more often than not.
Eric Desrochers - 19 Mar 2004 06:22 GMT
> What two ohm speaker are you using?

Hello.  I looked at the Image dynamics CXS54.  They have a 2 ohms
version (CXS52) and I wondered if this could be an easy way to pulls out
a few more power from the HU amps.

Signature

Eric (Dero) Desrochers
http://homepage.mac.com/dero72

Hiroshima 45, Tchernobyl 86, Windows 95

MZ - 19 Mar 2004 06:51 GMT
> > What two ohm speaker are you using?
>
> Hello.  I looked at the Image dynamics CXS54.  They have a 2 ohms
> version (CXS52) and I wondered if this could be an easy way to pulls out
> a few more power from the HU amps.

It'll be just barely noticeable.  Whether or not it's worth the extra heat
on a notoriously hot deck is up to you.
Eric Desrochers - 19 Mar 2004 23:09 GMT
> > > What two ohm speaker are you using?
> >
[quoted text clipped - 4 lines]
> It'll be just barely noticeable.  Whether or not it's worth the extra heat
> on a notoriously hot deck is up to you.

Thanks for the recommandation.
Signature

Eric (Dero) Desrochers
http://homepage.mac.com/dero72

Hiroshima 45, Tchernobyl 86, Windows 95

 
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