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Can i mix 6 ohm speakers with 8 ohm ones?



 
 
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  #1  
Old January 13th 04, 01:28 AM
me
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Default Can i mix 6 ohm speakers with 8 ohm ones?




  #2  
Old January 13th 04, 02:08 AM
Pug Fugley
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Depends. Need more info.

For instance, if your situation is having 8 ohm fronts and a 6 ohm center it
should be no problem as long as your amp is rated to drive a 6 ohm speaker
on the center channel.

But if you have an 8 ohm left and a 6 ohm right then that's not a good thing
because one will get more power than the other and cause an unstable load on
your amp.


"me" wrote in message
...





  #3  
Old January 13th 04, 03:48 AM
Scot Gardner
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"me" wrote in message
..


Can i mix 6 ohm speakers with 8 ohm ones?


Make sure that your receiver supports such an arrangement. Usually,
mixing 4 ohm, 6 ohm and 8 ohm speakers is a normal arrangement. Often, a
speaker that is rated as 8 ohms will drop to 6 ohms at certain frequency
ranges.

However, putting 16 ohm speakers into the mix can cause problems with
Yamaha amps and receivers. For example, the back of the Yamaha RX-V596
AV receiver has a switch which has the following specifications:

SET BEFORE POWER ON

Setting A:

Main or B: 4 ohm min./speaker

A + B: 8 ohm min./speaker

Rear: 6 ohm min./speaker

Center: 6 ohm min./speaker

Setting B:

Main or B: 8 ohm min./speaker

A + B: 16 ohm min./speaker

Rear: 8 ohm min./speaker

Center: 8 ohm min./speaker



  #4  
Old January 13th 04, 05:20 AM
Robert L. Bass
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If you mean put them in parallel, the result will be about 3.4 Ohms. That's
lower than most consumer amps like.

If you mean to use 6-Ohm fronts and 8-Ohm rears or some such combination,
that's not a problem in and of itself.

Regards,
Robert

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  #5  
Old January 13th 04, 11:47 AM
me
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Yes im using 6 ohm fronts and the rest 8 ohms , thx for the replies.
"Robert L. Bass" wrote in message
...
If you mean put them in parallel, the result will be about 3.4 Ohms.

That's
lower than most consumer amps like.

If you mean to use 6-Ohm fronts and 8-Ohm rears or some such combination,
that's not a problem in and of itself.

Regards,
Robert

=============================
Bass Home Electronics
2291 Pine View Circle
Sarasota · Florida · 34231
877-722-8900 Sales & Tech Support
941-925-9747 Fax
941-232-0791 Wireless
Nextel Private ID - 161*21755*1
http://www.bass-home.com
http://www.bassburglaralarms.com
=============================





  #6  
Old January 13th 04, 02:37 PM
Richard
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Some amps have a problem if the impedance it sees is too low. Thermal issues
are involved. But the impedance an amp sees from a speaker is quite complex
and it has nothing to do with how loud a speaker sounds. That is a very
different characteristic. Mixing 6 and 8 ohm speakers is a non issue from a
thermal perspective so long as you don't put them in parallel.

Richard.


  #7  
Old January 14th 04, 02:48 AM
B. Earp
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Some amps have a problem if the impedance it sees is too low.

all amps have a problem with impedance that's too low



  #8  
Old January 14th 04, 03:26 AM
Robert L. Bass
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Yes im using 6 ohm fronts and the rest 8 ohms , thx for the replies.

OK, no problem.

Regards,
Robert

=============================
Bass Home Electronics
2291 Pine View Circle
Sarasota · Florida · 34231
877-722-8900 Sales & Tech Support
941-925-9747 Fax
941-232-0791 Wireless
Nextel Private ID - 161*21755*1
http://www.bass-home.com
http://www.bassburglaralarms.com
=============================


  #9  
Old January 14th 04, 04:26 PM
normanstrong
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"B. Earp" wrote in message
...
Some amps have a problem if the impedance it sees is too low.


all amps have a problem with impedance that's too low


Yes. That's why it's called "too low"


  #10  
Old January 16th 04, 09:10 PM
Richard
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"normanstrong" wrote in message
news:C4eNb.65493$I06.301737@attbi_s01...

"B. Earp" wrote in message
...
Some amps have a problem if the impedance it sees is too low.


all amps have a problem with impedance that's too low


Yes. That's why it's called "too low"

Put it this way: Amps driving a load (a speaker) see both a resistive load
and the complex impedance of the speaker. If the resistive load and
impedance is too low at a given frequency and the amp is ask to provide high
current to drive the speaker at that frequency it, the amp, may experience
thermal damage.

Richard.


 




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