rti 12's 4ohms???

hc_416

Can you wire the RTI's into 4ohms?

wutadumsn23

As far as I know the RTi's are 8 Ohm speakers. Are you trying to wire them into a 4 Ohm AVR? Out of my league, hopefully someone with a little more knowledge will have a bette ranswer for you. Welcome to Club Polk.

-Jeff

wutadumsn23

xcapri79 wrote: »

If you can describe what you are trying to do in more detail, we can provide a better answer to help you.

Welcome to Club Polk.

That's what I was thinking too.

-Jeff

hc_416

Sorry it was late last night and I worked late. I have a yahama as my pre, with a caver 1.5t as my 2 channel power. What I was wondering was there a way to wire them to a four ohm load off the amp if so how?? thank you for you time.

leroyjr1

hc_416 wrote: »

Sorry it was late last night and I worked late. I have a yahama as my pre, with a caver 1.5t as my 2 channel power. What I was wondering was there a way to wire them to a four ohm load off the amp if so how?? thank you for you time.

Are you just trying to give them more power, if so just get a bigger amp.

comfortablycurt

What exactly are you trying to accomplish?


I agree with Lee.

organ

I think the OP was referring to the different power outputs at 8 and 4 ohms according to his Carver's spec sheets.
If that's the case, you can't do anything. The speaker impedance will vary through the speaker's frequency range. When the speaker imp hits 4 ohms, the amp will deliver the power it needs.

nguyendot

No, you cannot.

Buy a Bigger amp.

wutadumsn23

nguyendot wrote: »

Buy a Bigger amp.

I am with ng on this one. If it is in the budget, get a better amp, you will be much happier with the results, and are less apt to damage something.


-Jeff

royalty

parallel 1/R(1) + 1/R(2) = 1/(1/R) = R - four ohms

hc_416

I want to get the most power out of my amp. THe 1.5t in 4 ohms gives 500x2 and that would be what the speakers could take. I personal like the high sound on the carver amp, but the bass is lacking. I understand that you can't get to much bass from seven inch's but it is just not there, if it is the lack of power or just the speakers i don't know. I also did not want to run it on one side of the amp for I belive that the single will get degraded and it will not give me the left right sound. Also to buy a amp is very expensive the used are a crap shoot and the new are just now what i want to pay. I just wanted to maxmize what I have to see were I go. I was actually hopeing to hear some say to run a parlle wire from the bottom post to the top and then a postive to the top then a negtive to get a four ohm load but it just sound to easy?? also thank you for the help

comfortablycurt

hc_416 wrote: »

I want to get the most power out of my amp. THe 1.5t in 4 ohms gives 500x2 and that would be what the speakers could take. I personal like the high sound on the carver amp, but the bass is lacking. I understand that you can't get to much bass from seven inch's but it is just not there, if it is the lack of power or just the speakers i don't know. I also did not want to run it on one side of the amp for I belive that the single will get degraded and it will not give me the left right sound. Also to buy a amp is very expensive the used are a crap shoot and the new are just now what i want to pay. I just wanted to maxmize what I have to see were I go. I was actually hopeing to hear some say to run a parlle wire from the bottom post to the top and then a postive to the top then a negtive to get a four ohm load but it just sound to easy?? also thank you for the help

You're not going to be drawing any more actual power from the amp by wiring them to 4 ohms. The speaker is only going to draw as much power as it needs at any given time, and the amp is only going to put out as much power as the speakers demand.

By wiring them to 4 ohms, you're simply going to be presenting the load to the amp differently. An ohm rating isn't a solid statistic. The impedance of a loudspeaker is constantly fluctuating depending on the demands of the material being played through it. As others have mentioned, if the speakers ever dip as low as 4 ohms, they will be drawing the amps full power(or as much as they need).

To put it simply, 250 watts at 8 ohms is going to be the same as 500 watts at 4 ohms. The wattage amount at 4 ohms is higher, yes, but the resistance of the loudspeaker against that wattage is also going to be higher at 4 ohms.


If you're looking for more power, the only way you're going to do it is by getting a bigger amp.

treitz3

Wait a minute. You say you have a Carver M1.5t. You say you have a set of RTi-12's right?

You should have more than enough bass to pressurize the room with just that. I had a very similar combo in an 12' x 15' room and there were times when you would swear the room was inside the speaker, the bass was so present. This was also with a set of RTi-10's and not 12's. There are two things, well three things I would question.

First. What kind of source are you using? A CDP, computer, DVD player? This can make or break a system's performance.

Second. Are you absolutely, positively sure that the bottom woofers are being amplified. I don't mean just moving, I mean amplified. Reason I ask is because with the way that speaker is designed, if only the top binding posts have power, the lower woofers will move. This does NOT mean that they are amplified. To test this, remove the gold plated connectors that connect the top and bottom binding posts. Then simply connect the speaker leads to both of the lower binding posts only. Do you hear any sound? If so, do you hear them from all of the lower woofers? If you are in doubt, take a spent paper towel roll and use the cardboard up against your ear to verify that each and every woofer is working.

Third. When was the last time your Carver amplifier had service? If it never has, where are the row of LED's lighting up when you say that there is no bass? At the bottom or are they pegging the top?

If it isn't any of these, how big is the room?

comfortablycurt

treitz3 wrote: »

Wait a minute. You say you have a Carver M1.5t. You say you have a set of RTi-12's right?

You should have more than enough bass to pressurize the room with just that. I had a very similar combo in an 12' x 15' room and there were times when you would swear the room was inside the speaker, the bass was so present. This was also with a set of RTi-10's and not 12's. There are two things, well three things I would question.

First. What kind of source are you using? A CDP, computer, DVD player? This can make or break a system's performance.

Second. Are you absolutely, positively sure that the bottom woofers are being amplified. I don't mean just moving, I mean amplified. Reason I ask is because with the way that speaker is designed, if only the top binding posts have power, the lower woofers will move. This does NOT mean that they are amplified. To test this, remove the gold plated connectors that connect the top and bottom binding posts. Then simply connect the speaker leads to both of the lower binding posts only. Do you hear any sound? If so, do you hear them from all of the lower woofers? If you are in doubt, take a spent paper towel roll and use the cardboard up against your ear to verify that each and every woofer is working.

Third. When was the last time your Carver amplifier had service? If it never has, where are the row of LED's lighting up when you say that there is no bass? At the bottom or are they pegging the top?

If it isn't any of these, how big is the room?

These are all great suggestions.


Also, you might want to play around with room placement some as well. How do you have them placed currently? Placement can make or break a set of speakers.


That said, the 12's do have great bass, but they aren't going to equal the output that you'd get from a good sub. There may very well be another issue contributing to it, but that's just something to keep in mind.

hc_416

I have the amp's bi-wied with 8 gauge power cable.There is one spade on the amp side with 4 banna's to the post's The amp is beging feed a single through a yahama rx v2700 whit RCA,s it gets all my my music throught a gateway, with a optical cable. The bit rate on the musice varys from 96-320, then amp to me seems in good functional quality. All of the lights light up, the sound is good, and the woofer's are all connected. Now the amp does have a hum, wich might be a indcaiton of service, or me buying a new amp.

Second I really don't understand how wiring the speaker to present 4 ohms wouldn't benfit. I also don't understand how the load changes when the amplfaction is beging giving. Could you please explain, also isn't loweing the ohms lowering the restiance I belived that if you were at eight ohms you were showing more restiance, but got a better sound could you also please explain. Thank you for your time

hc_416

also I don't see the great bass i just can't seem to get the deep notes that i am looking for I just don't know if the 7's can do it or mabey it is the amp, sorry for the spelling for it is late and I had a ten hour day.

comfortablycurt

Just to be clear...you're bi-wiring them, yes? Did you remove the metal jumpers that were between the pairs of binding posts?



As I said before...250 watts at 8 ohms is exactly the same thing as 500 watts at 4 ohms. There will be no actual gain in volume level or bass output by wiring them to 4 ohms. Others can explain it better than I.