Axiom Home Page Forums General Discussion Technical Questions Sound quality and possible power issue with M80'S

Someone slipped the squirrel a 'mickey'. I agree with Ken, and I have them both in my house right now. Tom, has Fed Ex showed up with your new hearing aids yet?

Note: I have a very large room, so Tom may not be on drugs or otherwise impaired. (but I seriously doubt that he is not )

MT, you can always engage the tone controls to turn down the bass a little if you find it too much. You can always take a little away, but you can't add in whats not there.

Well I have pretty much decided to go with the M80... I will of course take it for a test drive before I make any final decisions but it is looking like M80 all the way...

I like the proportion of the drivers for one... Most towers that I have seen and or tested have two or three subs to every one mid and or tweeter. The M80 on the other hand seems to be well balanced throughout!

I emailed Axiom earlier actually to forward my question to the pro's in the office about my concern with my reciever be able to drive the 4 ohm load on the M80's... Brent responded the same day after looking through my receivers manual and does not see the yamaha having any problem driving the M80's!!! ROCK ON!

I am still a little concerned about the power issue/4 ohms given all my audiophile friends on here and at audioholics concerns so do not think I am not taking your advice cause I am and appreciate it all a great deal. I have learned a LOT in the past few months thanks to all of you...

on that note

CHEERS!

P.S. I just found this on yamahas web site under there "FAQS" page...

[i]Can I use 4 ohm speakers on my Yamaha AV receiver ?[/i]Yes, many Yamaha AV receivers are stable down to, but not below 4 ohms. We recommend that you use only speakers with a minimum of 4 ohms. Also, please make sure that the impedance selector switch is set to the correct position as recommended by the owner's manual.

I found the following in my manual... I do not exactly know what it means but I think this might shed some light on everyone else here who can actually interpret this!!! Please take a look

Setting the speaker impedance
Caution
If you are to use 6 ohm speakers, set “SP IMP.” to
“6Ω MIN” as follows BEFORE using this unit. 4 ohm
speakers can be also used as the front speakers.

If you look on page 109 of the RX-V863 manual it says something about this that is important... I can not decipher it and I tried for a really long time to cut and paste it on here but it did not work so UGH!!!

Hello

re: "...Most towers that I have seen and or tested have two or three subs to every one mid and or tweeter."

These speakers don't have "subs", they are just simple woofers!
Keep in mind that some of the finest loudspeakers available anywhere are simple two driver / two way designs. The 80’s are probably fine, but multiple drivers are not necessarily an indication of exceptional sound quality.


Keep that impedence switch at the 8 ohm setting.

I did not truly consider them "subs", just "woofers"... My point was that the "woofers" typically outnumber the mid-range drivers or tweeters by 2 to 1 minimum... furthermore, I was trying to make a correlation between the proportion of woofers to mid range drivers or tweeters due to the fact that I appreciate a little more clarity in the higher end rather than being muffled out by the low ended "woofers"... for instance I listend to some paradigm towers with two "woofers and two ports and only one mid and one tweeter... the sound was overcome by bass! BLAH

The Paradigm loudspeakers you referred to at the beginning of this thread don't actually use "midrange" drivers. They're bass/mid drivers in a 2 1/2 way system for the Studio 60's and a two way design for the Studio 10's.

If these speakers sounded bass heavy, it was most likely the listening room and / or speaker setup.
I would suspect that the Studio 10’s are bass shy in most environments!

Or as it seems some of the AVRs discussed lately only have a 6 ohm OR 4 Ohm setting, leave it on 6 ohm! Always! It has also been mentioned that on receivers with 4/6 ohm switches, sometimes 8 ohms needs to be selected in through the set up menus. So check if your Yammy has an 8 ohm setting available thru the menus.

MT, this has been discussed numerous times, including another thread here now, but again, despite the language in the manual, never set the receiver to the lower impedance setting(the higher one is always the default), regardless of whether it's termed 4 ohms or 6 ohms. This is a type of precaution required by the UL to help protect against overheating. It in no way "optimizes" the receiver for a lower impedance speaker, as some imagine, but in fact degrades maximum performance capability. It does this by reducing the voltage that the power supply section of the amplifier can output, and because of Ohm's Law when voltage is reduced so is current and power. The maximum power capacity is cut roughly in half, tests have shown, so although the potential for overheating is reduced, so is the potential for supplying power free from audible distortion or even clipping.

ditto what John said.