Question about pre-outs

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greg2350
greg2350 Posts: 544
edited March 2008 in Electronics
I have a denon 3801 and using a rotel rb-890 for the fronts. My question is does the denon still output power to the fronts when using an amp hooked to the front pre-outs. :)
TV: Philips 42" LCD 1080p
Front Speakers: Polk Audio RT800i
Center Speaker: Polk Audio CS1
Surround Speakers: Polk Audio R50's powered of Denon AVR
Subwoofer: Polk Audio DSW pro500
AVR: Denon 3801
DVD Player: Denon DVM 745 upscale 1080p
Sat: Directtv HD 10
Front Speakers Amp: Rotel RB 890
Center Speaker amp: Rotel 970 BX
Post edited by greg2350 on
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  • ben62670
    ben62670 Posts: 15,969
    edited March 2008
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    It does have the power available at the speaker terminal, but without a resistive load(speaker) there is no currant passing through those channels amps. This is a good thing because it save the currant for the other channels, and reduces heat buildup in the receiver.
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben
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  • greg2350
    greg2350 Posts: 544
    edited March 2008
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    Ok thanks for the response.
    TV: Philips 42" LCD 1080p
    Front Speakers: Polk Audio RT800i
    Center Speaker: Polk Audio CS1
    Surround Speakers: Polk Audio R50's powered of Denon AVR
    Subwoofer: Polk Audio DSW pro500
    AVR: Denon 3801
    DVD Player: Denon DVM 745 upscale 1080p
    Sat: Directtv HD 10
    Front Speakers Amp: Rotel RB 890
    Center Speaker amp: Rotel 970 BX
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  • tonyb
    tonyb Posts: 33,077
    edited March 2008
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    In short,that meant.....no.:)
    HT SYSTEM-
    Sony 850c 4k
    Pioneer elite vhx 21
    Sony 4k BRP
    SVS SB-2000
    Polk Sig. 20's
    Polk FX500 surrounds

    Cables-
    Acoustic zen Satori speaker cables
    Acoustic zen Matrix 2 IC's
    Wireworld eclipse 7 ic's
    Audio metallurgy ga-o digital cable

    Kitchen

    Sonos zp90
    Grant Fidelity tube dac
    B&k 1420
    lsi 9's
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  • tcrossma
    tcrossma Posts: 1,301
    edited March 2008
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    Actually in the context of the OP's question I think it meant a Yes.
    Speakers: Polk LSi15
    Pre: Adcom GFP-750 with HT Bypass
    Amp: Pass Labs X-150
    CD/DVD Player: Classe CDP-10
    Interconnects: MIT Shortgun S3 Pro XLR
    Speaker cables: MIT MH-750 bi-wire
    TT:Micro Seiki DD-35
    Cartridge:Denon DL-160
    Phono Pre:PS Audio GCPH
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  • ben62670
    ben62670 Posts: 15,969
    edited March 2008
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    tcrossma wrote: »
    Actually in the context of the OP's question I think it meant a Yes.

    reread post 2.
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben
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  • tcrossma
    tcrossma Posts: 1,301
    edited March 2008
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    Ok, I did. It looked to me as if the OP wanted to know if when using the pre-outs, if the front speaker terminals would still power another speaker hooked up to them. I think the answer is Yes, and it looked to me as if your post #2 was saying that there's power to those posts but no current going through them unless a speaker is connected, at which point the AVR's amps would happily power them.

    But maybe i'm just reading this all wrong. If that's the case, sorry to have interrupted.... back to the regularly scheduled programming.
    Speakers: Polk LSi15
    Pre: Adcom GFP-750 with HT Bypass
    Amp: Pass Labs X-150
    CD/DVD Player: Classe CDP-10
    Interconnects: MIT Shortgun S3 Pro XLR
    Speaker cables: MIT MH-750 bi-wire
    TT:Micro Seiki DD-35
    Cartridge:Denon DL-160
    Phono Pre:PS Audio GCPH
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  • obieone
    obieone Posts: 5,077
    edited March 2008
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    Greg, IF youre talking about bi-amping your speakers, then yes, run the preouts > amp> lower binding posts, then speaker outs to upper binding posts.

    For further explanation: post #3
    http://www.polkaudio.com/forums/showthread.php?t=64495
    I refuse to argue with idiots, because people can't tell the DIFFERENCE!
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  • ben62670
    ben62670 Posts: 15,969
    edited March 2008
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    tcrossma wrote: »
    Ok, I did. It looked to me as if the OP wanted to know if when using the pre-outs, if the front speaker terminals would still power another speaker hooked up to them. I think the answer is Yes, and it looked to me as if your post #2 was saying that there's power to those posts but no current going through them unless a speaker is connected, at which point the AVR's amps would happily power them.

    But maybe i'm just reading this all wrong. If that's the case, sorry to have interrupted.... back to the regularly scheduled programming.

    I think we are on the same page in two different paragraphs;) If the OP's question is can you use both the amp, and the receiver's outs the answer is yes as you stated, but if no speaker is hooked up then there is no currant draw from said channels.
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben
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  • tonyb
    tonyb Posts: 33,077
    edited March 2008
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    I think his question was geared more to the thinking of adding the wattage from the amp and the receiver together.I could be wrong though,thats how I read it anyway.
    HT SYSTEM-
    Sony 850c 4k
    Pioneer elite vhx 21
    Sony 4k BRP
    SVS SB-2000
    Polk Sig. 20's
    Polk FX500 surrounds

    Cables-
    Acoustic zen Satori speaker cables
    Acoustic zen Matrix 2 IC's
    Wireworld eclipse 7 ic's
    Audio metallurgy ga-o digital cable

    Kitchen

    Sonos zp90
    Grant Fidelity tube dac
    B&k 1420
    lsi 9's
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