View Full Version : running sub from headunit
05-09-02, 11:15 PM
i just sold my mtx thunder 5000 sub..
they guy i sold it to doesnt have a AMP.
but he does have a pioneer head unit
with the ability to run a sub of the head deck
can he do any damage to the sub by playing
throught the head unit?
is it advisable apart from the fact it sounds shit.
i just want to make sure he wont do any damage
thats all.. i am aware it will souind shithouse.
thanks for all your help!!!
06-09-02, 12:00 AM
there is no point doin it, just ell him to be patient and wait for an amp. U will likely to be caused some damage to either head unit or system.
06-09-02, 12:05 AM
would a HD even be able to pump enuff bass out??!!!
YES, those head unit can pump bass out through a sub, NO they wont pump out ENOUGH bass.
As long as he doesnt drive the sub into distortion it should be fine other than the fact you mentioned that it will sound very ordinary. The temptation with the tiny amount of bass is to crank up the bass tone control, perhaps the sub out volume line if there is one, the LOUD button, and whatever other gadgets there are to send a nice distored signal when combined together.
tell him to visit caraudioaustralia.com and spend $100 or so on a cheap 2nd hand amp because even that will be a better start.
think about it, a head unit usualy produces about 4x10-20 rms, so dont think thats quit enough to power a sub.
The sub output is really just a non-fading output (ie. you can mess with the front and rear bias and it won't affect the sub output). It's not designed to run a sub straight off it.
is it supposed to be a direct sub output or just a pre-out?
i dont imagine any headunit having enough poontang to drive such a large speaker/sub....
some pioneers are designed to run a sub direct from the internal amp, but like i said, its not earth shattering.
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