No offense but you may be working backwards. If your center space is limited that should be the first speaker to purchase then match the rest of the speakers to the all important center channel. Balance and uniformity.
The surround speakers you purchased are dipoles designed for 5.1 and will muddle up 7.1. With 7.1 its best to match all seven speakers. Or use a matching model dedicated center with the left, right, side, and rears. I usually suggest very small Gallo speakers. It's not necessary to use big speakers with an HT system.
While most media is in 5.1 a 7.1 processor matrixes the 5.1 left, right, and the surround channels to create the side and rear effects. The room correction provides the timing and balance. Most modern processors within receivers and pre/pros do a very good job of matrixing creating a greater surround effect. Actual 7.1 productions can be exceptional. Forget about 9.2.
I think your Kappa's are down 3dB at 37Hz, you'll definitely need a subwoofer. The .1 bass information is very different from simple stereo. You won't need tower or floor standing speakers with a sub. Generally, you don't need a sub with elaborate EQ, the processor will make those adjustments. HT fun factor is all about the sub and your wife will most likely enjoy smaller speakers.
The surround speakers you purchased are dipoles designed for 5.1 and will muddle up 7.1. With 7.1 its best to match all seven speakers. Or use a matching model dedicated center with the left, right, side, and rears. I usually suggest very small Gallo speakers. It's not necessary to use big speakers with an HT system.
While most media is in 5.1 a 7.1 processor matrixes the 5.1 left, right, and the surround channels to create the side and rear effects. The room correction provides the timing and balance. Most modern processors within receivers and pre/pros do a very good job of matrixing creating a greater surround effect. Actual 7.1 productions can be exceptional. Forget about 9.2.
I think your Kappa's are down 3dB at 37Hz, you'll definitely need a subwoofer. The .1 bass information is very different from simple stereo. You won't need tower or floor standing speakers with a sub. Generally, you don't need a sub with elaborate EQ, the processor will make those adjustments. HT fun factor is all about the sub and your wife will most likely enjoy smaller speakers.