2 channel amp question

[ekd16y5]

can a two channel amp supply the front two speakers and a subwoofer? or can it only supply the sub ?

[destrukshn]

is the amp bridgeable?
if not, can't use a sub.
and will only power 2 front speakers

if it is bridgeable
you can run the sub OR 2 front speakers.

[solitz]

can a two channel amp supply the front two speakers and a subwoofer? or can it only supply the sub ?

nope cant do that u either bridge it for sub or power a set of speakers
for this applciation you better off use a 4ch amp where it can utilise ch 1 and 2 off the amp for the front speakers and then ch 3&4 bridged for teh sub

[Dray_Templar]

some of the jaycar amps are able to do that... ie in the 400W 4 channel amp i have in the manual its says you can hook up 4 speakers and bridge it as well for the sub...

[Dray_Templar]

Response Car Amp 4x100WRMS

If you are looking for an ultra-powerful 4-channel amplifier then the AA-0426 is an excellent choice. Power output exceeds 100WRMS power channel or 300WRMS in bridged mode at 4ohms, making it ideal for a one amplifier system powering both full range speakers and a subwoofer. There’s also fully variable high and low pass filters between 50Hz and 500Hz, with pass thru RCA outputs to link this amp to an additional AA-0424 2 x 150WRMS amp to drive your subwoofers, or better still the amazing new AA-0428 Class-D subwoofer amplifier.

Specifications:
Power / channel @ 4ohm 14.4V: 130WRMS x 4
Power / channel @ 2ohm 14.4V: 190WRMS x 4
Power / bridged @ 4ohm 14.4V: 380WRMS x 2
Signal/Noise ratio: >90dB
Input sensitivity: 200mV to 5V
Low pass filter: 50 - 500Hz @ 12dB/octave
High pass filter: 50 - 500Hz @ 12dB/octave
Pass thru RCA: Yes
Dimensions: 400(L) x 258(W) x 50mm(D)

[Riviera]

can a two channel amp supply the front two speakers and a subwoofer? or can it only supply the sub ?

Answer: Only If It Is Bridgeable


how?

Run your front speakers from channel 1 "left" and channel 2 "right" then take
the positive from 'channel 1' and the negative from 'channel 2' and connect
your sub to that...


Edit - ^^^ what he said

[Dray_Templar]

pretty sure the good jaycar 2 channel amp can do the same sort of thing... so basically yes


sorry about dodge pics.... they are of the manual for the 4 channel.. taken with camera phone

[solitz]

hmm i u might need to run resistors to split the signal going to the speakers to do so

[Dray_Templar]

hmm i u might need to run resistors to split the signal going to the speakers to do so

not sure how a resistor could be used to split any kind of signal :s

[yellows2k]

im running my bostons off the hu and the sub off my 2 channel atm and its holding up ok. sounds good enough for me

[AzKik-R]

No, you cant use your amp to run the fronts as your sub

you would need a dual-voice coil sub, to take equal drain from the amp on the left and the right chanel, or to run both your fronts in mono.
and your amp might have a high pass/low pass switch on it. your front's wont sound very good if you switch it to low pass, and if you switch it to high pass, your sub wont sound very good.

I have seen a 5 chanel amp, and that is purpose built for fronts rear's and a sub. but you said 2 chanel, and i say no can do

[yellows2k]

well all im saying is that i used to run my bostons off my hu when i had my s2000, then i added the amp, and it sounded about teh same (seeing as teh s2000 sucks for sound anyway).
i put the system into my current car, evo9 and it was ok but i wanted some punch, so i put in a jl audio sub tube, and im getting the punch that i want.
honestly, for the money i have spent, i have achieved what i want.
purists will argue til they are blue in the face about sound deadening, listening only from cds (i use an ipod cable), tuning their system to the nth degree, etc. but for me, as long as it sounds good, i can live with it.