(888) 737-1752
XBOX360 & PS3 REPAIR EXPERT SERVICE
We can...
Answer
are the 607 jamo speakers much better than the 605jamo
Problem for Home Theater Speakers and Subwoofers
Generic problem for all Home Theater Speakers and Sub...
4 ohm and 8 ohm speakers
By 25 or 4 to 8 on Dec 09, 2007
I have an RCA surround sound system - model no. RT2760. The receiver is RT2760 home theatre receiver., Receiver and speakers are 4 ohm. Equipment specs = amplifier section: RMS output power: dolby mode with 10% total harmonic distortion. All front, center and rear channels are 120 watts 1 KHz, 4 Ohm. The subwoofer channgel is 120 watts (100 Hz 4 Ohm) Total RMS output power, dolby digital mode: 720 W. I want to replace at least the center and subwoofer speakers). What are my options. Can I use 8 ohm speakers (or 6 or ?) with my 4 ohm receiver?
Comments:
Dec 10, 2007
- You stated "...Two 8 ohm speakers wired in parallel will have a total impedance of 4 ohms. So, if I want to have a different center channel speaker I would do what? Get two speakers rated at 8 ohm each and wire them in parallel and connect to the receiver? If so, exactly how do I do that (explain 'wired in parallel') versus wired in series, and the difference. Also, what about an active subwoofer (8 ohm or ?); okay to connect it to my receiver and fire it up and go? Can I also connect a center channel speaker to an active subwoofer and power the center channel directly from the subwoofer? If so, what do I need to do in that case. Finally, would it just be best to find another 4 ohm center channel and subwoofer? If so, where can I find 4 ohm speakers?Dec 10, 2007
- You stated 'a active sub woofer has its own volume and inputs on the speaker'. Would it be best to buy an active subwoofer (which connects to my receiver?) and then connect my center channel speaker directly to the subwoofer? Is there any impedence issues in what you are suggestig (does it matter what ohm each speaker would have to be). Would I still have to connect the center channel speaker to my receiver? Lastly, would it be best to replace my existing 4 ohm center channel and subwoofer with other 4 ohm speakers? If so, point me in the right direction of where I can find replacement 4 ohm speakers (or does it matter with the active subwoofer?).Dec 10, 2007
- Comment by 25 or 4 to 8, posted on Dec 10, 2007You stated 'a active sub woofer has its own volume and inputs on the speaker'. Would it be best to buy an active subwoofer (which connects to my receiver?) and then connect my center channel speaker directly to the subwoofer? Is there any impedence issues in what you are suggestig (does it matter what ohm each speaker would have to be). Would I still have to connect the center channel speaker to my receiver? Lastly, would it be best to replace my existing 4 ohm center channel and subwoofer with other 4 ohm speakers? If so, point me in the right direction of where I can find replacement 4 ohm speakers (or does it matter with the active subwoofer?).
Dec 10, 2007
- Please disregard my third reply; it was posted twice.Dec 14, 2007
- The idea of paralleling two 8 ohm speakers to achieve 4 ohm may be a good solution, thanks for your input. What I really need is a good source(s) of where I can purchase individual 4 ohm surround sound speakers; speakers that are ready to wire into my receiver and go, not just the 'guts' of a speaker but ones ready to plug and play. I have had trouble finding a company, or companies, that carry the speakers I need. Any help on where to find would be helpful. Lastly, can I use an actice subwoofer in place of the passive subwoofer I currently am using; does it need to be 4 ohm, and can I attach additional speakers to the active subwoofer without drawing power and/or resistance from my receiver? (i.e.; the active subwoofer would provide all the power I would need).Best Solution
posted on Dec 09, 2007
You can plug in higher ohm speakers , the higher the ohm the higher the resistance is, it is a danger when you plug lower ohm speakers into a higer ohm Amp , at a high volume that will cause them to blow , the center speaker would be fine to use a higer ohm speaker , your best choice is to buy a Active Subwoofer, which means the sub has it's own power supply , and u can blast the thing as much as u like , thn u can turn the bass down on all the other speaker's so u can play it louder , and have the sub turned up has high as u like , this is the best way to get great sound with high volume , buy a Active sub woofer , any active subwoofer is ok , a active sub woofer has its own volume and inputs on the speaker ,
Comments:
Dec 09, 2007
- With a Active Sub you can also plug other speakers into the back of the sub without using any power from the Amp ,Dec 09, 2007
- Well thats all nice , never had a problem doing the method i suggested , never cooked a amp , i agree if you were to plug in all speakers with a higher ohm's you could short the output transisiters, that is not going to happen with 1 center speaker , with that model amp it has a inbuilt safety switch , which will shut down the amp if there are any overload problems , i am telling you from my own experience not from what i read in forumsDec 10, 2007
- beofrei give you anymore advice, may i ask what you are trying to do? if i were to guess when you watch movies you having a hard time hearing voice /talking in the movies??? adding more or a larger center speaker will not help this , the truth is with the type of system you have there, the speakers are made for the Amp and give you the correct sound, spending money on a good Active sub woofer will make that system sound very powerful , because u can turn down the bass on all the speakers which will allow you to turn them right up with a clear sound , and you can use the active sub to control your bass sounds from there on , this method will allow you to hear voice's e.c.t alot more clearDec 14, 2007
- yes you can replace the passive sub with a active sub, and can be any sub, 4 ohm e.c.t , as far as finding the speaker to buy , it should not be hard at all , try second hand places , unless u want to buy online , then just use google there will be plenty of places to buy from online , the problem with mixing 2 speakers to the one channel to reduce and split the ohm's is the watts of the speakers will also be reduced , and they will not be as loud , u may get them as loud but they will be sound distorted, atleast not as clear anyway ,Solution #2
posted on Dec 09, 2007
No , placing 8 ohm speakers on a 4 ohm system is not advisable must use 4, even though it will work for a while the extra resistance (ohms) in speaker will end up cooking the output transisiters in amp.
Voltage = Current x Resistance
You could use something like this to reduce out put to speaker.
or wire two speakers say for centre channel together instead, but you need to wire them in parrellel not series...ie centre positive to positive of one 4 ohm then that to other 4 ohm positive and same with negitive.
Parallel..........Two 8 ohm speakers wired in parallel will have a total impedance of 4 ohms
http://www.htguide.com/forum/archive/index.php4/t-10285.html
and another
and
http://colomar.com/Shavano/spkr_wiring_many.html
all said and done why not just get the correct speakers for the amp ie 4ohm
link to purchase 4ohm speaker
Cheers S.
Voltage = Current x Resistance
You could use something like this to reduce out put to speaker.
or wire two speakers say for centre channel together instead, but you need to wire them in parrellel not series...ie centre positive to positive of one 4 ohm then that to other 4 ohm positive and same with negitive.
Parallel..........Two 8 ohm speakers wired in parallel will have a total impedance of 4 ohms
Comments:
Dec 09, 2007
- More info linkshttp://www.htguide.com/forum/archive/index.php4/t-10285.html
and another
and
http://colomar.com/Shavano/spkr_wiring_many.html
Dec 09, 2007
- If one replaces a 4ohm with a 8 ohm that channel ie centre will be putting out more power than the other balanced channels, so I guess you could reduce output on that channel and let the amp run at a strain and hope the circiut cut out saves the amp from any possible damageDec 10, 2007
- centre wiring would parrallel ie positive out of amp to a 8 ohm speaker positive terminal then to positive of another 8 ohm then the same with negitive line result is a 4ohm speaker
all said and done why not just get the correct speakers for the amp ie 4ohm
link to purchase 4ohm speaker
Dec 14, 2007
- Thanks for rating furion, I think I'll leave your subwoofer questions to him.Cheers S.
This Problem Also Relates To:
Jensen JPS12 Subwoofer
Sony SS-MF550H Main / Stereo Speaker
LG SP3700K - Left / right channel speakers Speaker
LG AP-40SA10B TV Speakers
Napa DTS-751 5.1 Channel Speaker System
Bose 100 Speaker
KLH 970A Main / Stereo Speaker
Popular Solutions for Home Theater Speakers and
Questions and Unsolved Problems for Home Theater Speakers and
Answer
I need to buy a replacement woofer for my home stereo speakers - It is a 15" woofer for a...
(More)
Answer
The control pod on our FX6021 system is on the fritz although, when it does turn on the sound from...
(More)
Answer
overheating stops and starts again
Answer
Altec Lansing computer surround sound subwoofer. A tiny bit of sound comes from the speakers. Volume...
(More)
Ask our Experts
Browse popular Problems
More Common Problems
Most Common Problems for:
For Home Theater Speakers and...:
Related Products & Issues:
Top Home Theater Spe... Experts
Experience:
30 Years of professional repair and design.
Ask Me
Top Audio & Video Equ... Repair
