LCiC center channel ohms

PLKFN1
PLKFN1 Posts: 3
edited December 2010 in Speakers
Like an idiot, I didn't check the minor detail that the LCiC center channel speaker is a 4 ohm speaker before purchasing my amplifier which is an Onkyo TX-SR508 which rates it's center channel as follows:

80 W (8 ohms, 20 Hz–20 kHz, 0.08%,
2 channels driven, FTC)
100 W (6 ohms, 1 kHz, 0.1%, 2 channels
driven, FTC)

Do I risk burning up my receiver if I attempt using it as the center channel? Other speakers in the 5.1 setup are all RC80i's.

If I shouldn't use the LCiC, are there any recommendations for an alternative center channel speaker at 6 to 8 ohms that will work?
Post edited by PLKFN1 on
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Comments

  • Face
    Face Posts: 14,340
    edited December 2010
    What are your mains?
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • PLKFN1
    PLKFN1 Posts: 3
    edited December 2010
    Front L/R and rear surrounds are RC80i's.
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  • rogerd
    rogerd Posts: 63
    edited December 2010
    PLKFN1, I had the same problem with my LSIC and my HK AVR 2600 so I e-mailed Harmon Karman they suggested buying a Impedance Matching Speaker Selector Box it cost around $40.00.
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  • PLKFN1
    PLKFN1 Posts: 3
    edited December 2010
    rogerd wrote: »
    PLKFN1, I had the same problem with my LSIC and my HK AVR 2600 so I e-mailed Harmon Karman they suggested buying a Impedance Matching Speaker Selector Box it cost around $40.00.

    Thanks for the tip, did you have any problems with the sound quality?
    Do you have a link to the one you used?
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  • rogerd
    rogerd Posts: 63
    edited December 2010
    Hi,I used one from Monster it cost $70.00 you can google it to get all the info, As for sound it's great. I've attached the e-mail from HK with a couple of other links.

    I would also like to point out that I'm a newbie with this Audio stuff and don,t even think I know much about it but it's fun learning and just a tad costly.

    Have a great day.

    Thank you for your email.

    Harman Kardon receivers are designed to work best with speakers rated at 8 ohms. All Harman Kardon Audio/Video receivers can handle MOST 4 and 6 ohm speakers on the market today. However, there are some manufacturers' speakers that have a minimum impedance WELL BELOW the 4 and 6 ohm nominal impedance, when being fed a signal.

    In this situation, the receiver will attempt to protect itself by having the fan turn on. In the extreme case, the unit will protect itself by shutting down, and go into standby mode. This is an indication that the speaker in question is not compatible with our receiver.

    *Note: The continued use of the receiver with speakers that cause it to shut down can result in eventual failure of the receiver, which is not covered by the warranty.*

    If you are concerned with using the speakers with this receiver, you can purchase an Impedance Matching Speaker Selector Box, which will allow you to connect any speakers to this box, while the receiver constantly sees a specific load (these boxes come in different values, i.e. 4/6/8/16 ohms). You can find these boxes in most electronics parts stores or online at www.russound.com or www.nilesaudio.com.

    I hope this helps.

    Thanks & Regards,


    Email: hcgcustomersupport3@harman.com
    Web: www.harman.com

    Kishor Singh
    Harman Consumer Group
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  • Face
    Face Posts: 14,340
    edited December 2010
    I would call Polk and ask which free standing center channel would be a better match for your mains. It appears the rest of Polk's centers are 8ohms and should work fine with your receiver, from there it comes down to which would be timbre matched.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • Joe08867
    Joe08867 Posts: 3,919
    edited December 2010
    According to the Polk description:

    Timbre Matched

    The RCi Series speakers are timbre matched to our freestanding speakers - such as Polk Monitor, TSi and OWM series, just in case you need in ceiling surround speakers to match your freestanding fronts.

    I would suggest another RC80i if it were my setup. My only question would be how you have them installed. In-wall or in-ceiling. I kknow they are in-ceiling speakers but I have seen them used in-wall before.
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  • Face
    Face Posts: 14,340
    edited December 2010
    I would not recommend a center being installed in a ceiling.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • Joe08867
    Joe08867 Posts: 3,919
    edited December 2010
    Face wrote: »
    I would not recommend a center being installed in a ceiling.

    I agree, I was thinking it could be installed in-wall.
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  • angelsfann02
    angelsfann02 Posts: 589
    edited December 2010
    Can you return the Lsic for a refund? Ya, call polk for a matching center.
    LIVING ROOM:
    Pioneer PDP-6070HD, Pioneer Elite SC-25, Pioneer Elite BDP-05FD,
    Emotiva XPA-5, Emotiva USP-1, Polk LSI15's, Polk LSiC, Velodyne 12", Mirage Nanosat Prestige rears, MIT AVT Speaker Cables, Audioquest King Cobra Interconnects, Panamax M5300pm Surge Protection/ Power Conditioning
    BEDROOM: VIZIO 32" LCD, Pioneer Elite VSX-23txh, Pioneer Elite BDP-23FD, Parasound HCA-2205A, Mirage Nanosat Prestige Speakers 5.1, Mirage S8 Sub, Monoprice cables, APC Surge Protection.
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  • satman24122
    satman24122 Posts: 9
    edited December 2010
    I would like to buy a LSIC if I can find one at a good price. Let me know the price if you decide to sell it.
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  • Amherst
    Amherst Posts: 695
    edited December 2010
    I have one in black for sale in the FM. Look for the giant audio pile thread.
    Parasound C1, T3, HCA-3500, HCA-2205A, P/DD1550, Pioneer DV-79avi, Oppo BDP-83, WD Media Server W/HDD,
    Dynaudio Contour 3.3, Dynaudio Contour T2.1, Polk OWM3, Polk DSW micropro 1000 (x2),
    Pioneer Kuro 50" Plasma, Phillips Pronto Control w/Niles HT-MSU.
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