1 speaker ,2 amps

Audiolab 6000CDT Dedicated CD Transport

jaudere

Well-Known Member
Joined
Apr 24, 2009
Messages
1,202
Points
83
Location
Panjim,Goa
hello friends. What i am going to ask is likely to sound stupid and i many of you will laugh but please answer my question. Is it possible to drive single speaker by 2 amps simultaneously? The story goes like this. I have built a 3 way open baffle pair. In some songs , i find it to be lacking in bass dept. I dont like the sound if i increase the bass setting of my avr. So i want to give bass out to my second amp and drive the speakers(those which are connected to low freq terminal of the crossover) through the second amp . By doing this i hope to get better bass output without adding an extra driver. So the bass drivers will get signals from avr (200-800hz) &sub amp(<200 hz) simultaneously. The problem is that i dont know whether this is possible even theoretically. The sound source will be same. so speakers wont be damaged by distortion. But what will happen to the amp. i mean what will happen to the impedance if the same voice coil is simultaneously connected to 2 amps ? Thanks in advance.
 

anm

Well-Known Member
Joined
Sep 6, 2008
Messages
5,705
Points
113
Location
New Delhi, India
It is not a stupid question. What you are trying to do is in the domain of "active crossover". Each driver is connected to a different amp though and no two amps are connected to the same driver.
The crossover is not built into the speaker. An Active Crossover is fed from pre-amp, it splits the signal into hf, mf, lf (or as many ways you want to split it - 2way, 3way, 4way) and that signal is fed to power amps. Each power amp is then connected to drivers.
Behringer dcx2496 is one of the budget good digital active crossover.

regards
 

jaudere

Well-Known Member
Joined
Apr 24, 2009
Messages
1,202
Points
83
Location
Panjim,Goa
It is not a stupid question. What you are trying to do is in the domain of "active crossover". Each driver is connected to a different amp though and no two amps are connected to the same driver.
The crossover is not built into the speaker. An Active Crossover is fed from pre-amp, it splits the signal into hf, mf, lf (or as many ways you want to split it - 2way, 3way, 4way) and that signal is fed to power amps. Each power amp is then connected to drivers.
Behringer dcx2496 is one of the budget good digital active crossover.

regards
So does it mean that what
I was planning was bi amping?
 

subhash

Well-Known Member
Joined
May 11, 2008
Messages
1,668
Points
83
Location
bangalore
if your pre amp has 2 pre outs u cud bi-amp , or if you are using an integrated amp with preout u cud connect a power amp to the pre out of the integrated 2 drive the lows and the integrated to drive the highs (horizontal bi-amp) ---------with biamping u cud play very loud /clear
 
Top