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Headophone amplifiers driving Speakers

post #1 of 6
Thread Starter 

Hi, I've read on several occasions that it's possible to use Headphone amplifiers to drive Speakers, even if they don't have speaker taps. One such occasion would be Currawong who got some cables to go from ALO Studio Six into some (As he claims cheap) speakers.

 

As I'm getting a rather high-end (Audio-gd Master 9) which has plenty of drive apparently in terms of power, even into 40 Ohms I will be getting 9 Watts of Power, so if I'd try to calculate it into 4 Ohms I think I will be getting fairly high numbers, I think at least 100W, even though it might not be the case.

 

But the question stands, if I will be able to do some modification or get an external device that can convert this power into speaker outs?

post #2 of 6
Quote:
Originally Posted by XVampireX View Post

Hi, I've read on several occasions that it's possible to use Headphone amplifiers to drive Speakers, even if they don't have speaker taps. One such occasion would be Currawong who got some cables to go from ALO Studio Six into some (As he claims cheap) speakers.

As I'm getting a rather high-end (Audio-gd Master 9) which has plenty of drive apparently in terms of power, even into 40 Ohms I will be getting 9 Watts of Power, so if I'd try to calculate it into 4 Ohms I think I will be getting fairly high numbers, I think at least 100W, even though it might not be the case.

But the question stands, if I will be able to do some modification or get an external device that can convert this power into speaker outs?

I seriously doubt that headphone amp has enough current to properly drive a 4 Ohm load to any reasonable volume level.
post #3 of 6
Quote:
Originally Posted by XVampireX View Post
 

Hi, I've read on several occasions that it's possible to use Headphone amplifiers to drive Speakers, even if they don't have speaker taps. One such occasion would be Currawong who got some cables to go from ALO Studio Six into some (As he claims cheap) speakers.

 

As I'm getting a rather high-end (Audio-gd Master 9) which has plenty of drive apparently in terms of power, even into 40 Ohms I will be getting 9 Watts of Power, so if I'd try to calculate it into 4 Ohms I think I will be getting fairly high numbers, I think at least 100W, even though it might not be the case.

 

But the question stands, if I will be able to do some modification or get an external device that can convert this power into speaker outs?

I'll state the obvious. Why not get the proper tool for the job?? Buy a speaker amp.

post #4 of 6
You just need a cable to try. Get a cheap headphone extension cable, cut one end off, and strip the wires. Figure out which wires are R+, R-, L+, L- (a balanced cable would best otherwise you'd have to get creative splitting the ground for single-ended). Then stick the wires in the binding posts.

Dunno how well it will work but it would be pretty cheap to try. You'll need sensitive speakers.

Also, if you need any clarification on the above steps then it would be best not to even bother. Some intuitive ability to understand basic wiring is necessary for safety. You could easily blow something if you dont correctly identify the individual wires.
Edited by manbear - 3/30/15 at 3:05pm
post #5 of 6
Quote:
Originally Posted by XVampireX View Post

But the question stands, if I will be able to do some modification or get an external device that can convert this power into speaker outs?

To answer your question, yes, the external device is called a "Power Amp". tongue.gif
post #6 of 6
Thread Starter 
Quote:
Originally Posted by Mr Rick View Post
 

I'll state the obvious. Why not get the proper tool for the job?? Buy a speaker amp.

 

I just thought that this will be more interesting and with the power available on the headphone amplifier, I'd hope that a speaker amp won't be necessary.

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