wuzzzer Posted February 16, 2006 Share Posted February 16, 2006 Can anyone tell me at what frequency the 2.8 ohm minimum impedance of RF-7s is? Also, I know that the advice is to have speakers about 2 feet or so from a side or back wall. Well, my long narrow basement doesn't really allow for that. To widen the soundstage, would it be ok to have the outer edge of each RF-7 up against the side wall, toed in directly at my listening point? Right now the back of each speaker is about 6" from the wall. Here's how everything is set up currently: Quote Link to comment Share on other sites More sharing options...
Deang Posted February 16, 2006 Share Posted February 16, 2006 It's been a long time since I was told this -- but I believe dips in impedance are 40, 100, and 10,000. I'm not sure which one is the lowest. I wouldn't worry about it, many run them with SET amps, and I myself ran them for almost a year with a 15 watt push-pull tube amp-- and they sounded fabulous. I've thrown several amps on them that shouldn't of sounded good -- but they did. Get them as far apart as you can -- and like you said -- toe them in towards you. To get them dialed in you'll need some acoustic treatment on the side walls about two feet forward of each speaker. Nice setup btw. Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted February 16, 2006 Author Share Posted February 16, 2006 Get them as far apart as you can -- and like you said -- toe them in towards you. To get them dialed in you'll need some acoustic treatment on the side walls about two feet forward of each speaker. Nice setup btw. Thanks Dean. I was curious as to if there was a dip below the 100hz point to help me adjust my subwoofer crossover. Man, I never realized how much higher I needed to turn up the gain on my sub to compensate for the sensitivity of these speakers! Before when I had my Bose and/or Definitive Technology I had the gain at the 8-9 o'clock position which was about 20-25%. I kept thinking that my RF-7s were causing a phase cancellation with my sub since I could barely hear it and since my sub doesn't have phase adjustments I experimented with putting it a few different places. So last night I unhooked my sub and rain the RF-7s straight from the amp. Sounded almost exactly the same as with my sub! I then noticed that the gain was still down low on my sub! Turned it up to between the 11-12 o'clock position and now it sounds perfect. Adjusted the sub's crossover to about 65hz and that setting seems to be perfect to reduce the boominess of the sub at higher crossover levels. Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted February 16, 2006 Author Share Posted February 16, 2006 And yes, acoustic treatment is definitely in the works. I'll post a pic when all is said and done. Quote Link to comment Share on other sites More sharing options...
Speedball Posted February 16, 2006 Share Posted February 16, 2006 Hey Wuzzer, Look's like a nice space to work with, could they be placed along the long wall? Turning them towards me somewhat make a difference and a sub helps with my modest old amp. I sure would like to hear that old Harmon Kardon for kicks......Good_Luck Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted February 16, 2006 Author Share Posted February 16, 2006 Here's how they're set up in the pic: ------------------------ | |-------- | rf7 tv rf7 |--------- | |--------- | |stairway | | me | | | | | | | bar --------- -------- office door Are you talking about setting them up like this?: ------------------------ | |----------- | rf7 |----------- | |----------- | | stairway | tv me | | | rf7 | | | | | bar --------- -------- office door If so, my wife didn't like how they were set up like that when I had my RF-25s. Although, she did say that I could do whatever I wanted with the basement and she was free to decorate/design the rest of the house...[6] One problem with that is that there's an opening to our stairway going upstairs and to the other side of the basement right behind the 'me' in the 2nd diagram. You can see part of it in this pic: http://forums.klipsch.com/forums/685360/PostAttachment.aspx And from the sitting position in diagram #2 there is a bar to the left of 'me' so I couldn't move the system to that side of the room. Quote Link to comment Share on other sites More sharing options...
Speedball Posted February 20, 2006 Share Posted February 20, 2006 Yes..... As long as someone could still walk by behing the couch or chair maybe it would work. Our somewhat long and narrow Living Room still allowes me to put them on the long wall with plenty of room to seperate them for 'major' sound and imaging changes. Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted February 20, 2006 Author Share Posted February 20, 2006 Well, I did have my RF-25s set up like that for a few days when I first got them. The wife is going to be out of town for a week soon...maybe I'll have to do a little experimenting while she's gone! [6] It would be nice to be able to spread them apart wide and not having nearly any side wall early reflections to deal with. Quote Link to comment Share on other sites More sharing options...
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