RM6900 / HK635..Please Help

robtlawrence

Hi All,

Even with my research, I'm still confused on proper hook-up. Right now I have it hooked up as follows:

Subwoofer hooked using a single monster cable going from the LFE on the sub to the subwoofer pre-out (purple output) on the receiver.

Center speaker, left and right front speakers, and left and right surround speakers are directly wired to the receiver using 16 guage speaker wire.

On the OSD I'm not sure how to set for small or large speakers. And if the subwoofer should be set to on or off. Also, how should the frequencies for each speaker be set? i.e., 100, 120, 150, etc...

Lastly, how should the volume and frequency knobs on the subwoofer itself be set?

Thanks!
Rob

Willow

Welcome,

You can start by reading this:
http://www.polkaudio.com/education/faq.php?article=hookupsub

to sum it up , it is recommended that you run speaker cables to the sub then back out to the speakers, speakers to large and sub to off. Not using the RCA sub out......if I'm not wrong

and this:
http://www.polkaudio.com/education/article.php?id=10

then this:
http://www.polkaudio.com/education/article.php?id=19

John K.

Rob, welcome. Although the manual suggests connecting the sub with speaker wire, probably most users have found it to be better to connect it with a coaxial cable going to the LFE input, as you've done. If you make the settings manually, all speakers should be set "small" and the sub on. The best crossover would be 100Hz or possibly 120Hz. The LFE input bypasses he internal sub crossover, so the frequency control is inactive and needn't be set. The volume control should simply be set to a pleasing level that blends with the other speakers without being so loud as to call attention to the sub itself.

Now these are manual settings, but your HK635 has a fine automatic calibration and equalization feature which you should make use of. Follow the instructions in the manual for making the measurements with the microphone, using it at ear level at the listening position(not 3 feet above)and about 1 1/2 feet in front of the mains and center for the nearfield measurement. This might well result in better settings than the ones you would make manually, but experiment and see.

Willow

I still think the better option is speaker cable option as to me these would still be considered a sat/sub system. When I owned a sub sat system it was def. better sounding hooked up with the speaker cable not from the sub out using an RCA type cable.

Again that's just me but what do I know!