Multi Channel Input on Recei

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Ok I know that for the front and rear I would use a 3.5mm stereo to RCA but for the center/sub channel what should I use? Should it be a 3.5mm mono to RCA or something different or can it be a regular stereo red and white one?
Btw how much does this degrade the quality of the sound? I hoping that this method with the multi channel inputs and nice home theater speakers sounds better than a PC speaker system like the 5500.

My setup is similar to yours.
- I have the 5. channel analog outputs of my X-Fi goes to the 5. multi-channel inputs of my preamp-processor. This setup alllow me not only to play my ripped music in 5. also allows me to play DVD-audio disc. You can also play DTS/DD encoded movies as well as long as you set the DD/DTS decoding option to off (internal decoding) in the creative console mixer.
Advantage: Can use the X-Fi CMSS-3D to get 5./7/ expansion
2- I also have the SPDIF output of the X-Fi goes to one digital coax input of my preamp-processor. This setup gives me the same processing as the above except the playback of DVD-audio disc.
Disadvantage: SPDIF will ouput only in stereo, you will need to use the receiver processing modes(Dolby prologic I/II, Neo6, Stereo 5/7) to get 5./7. expansion
For me connection 2 is the better choice for playback mode except DVD-audio, the reason is my preamp processor is a $4K unit with the highest (Audiophile) quality DACs, plus I have the flexibility of setting the bass-management of this unit independently. Plus, I have a multitude of processing modes on this unit such as : DPL-IIx, Neo-6, 5./7. Music etc... to expand a 2 channels signal into 5./7.
I can see you have a digital coax input on your receiver, just buy a mono 3.5mm to coaxial convertor. Connect the 3.5mm SPDIF end to the X-FI SPDIF flexi-jack, and the Coax digital end to your receiver Digital coax in. With this connection you need to set DD/DTS decoding on the X-Fi to ON (External decoder).
http://www.ramelectronics.net/html/RCA-mini-spdif.html#rcabncMessage Edited by BrokenOath on 2-8-2005 0:7 PM

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