mono blocking

stuntman3
stuntman3 Posts: 27
edited April 2013 in Electronics
I am interested in two cambridge audio 840w power amps which can run as 2channel and monoblock. I want to use 2 of these 2 drive RTi A9s they reted 200/channel 8ohm -500W mono. I have an AVr with outputs. I need hook up advice for these two Amps
Post edited by stuntman3 on
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  • Tankman
    Tankman Posts: 419
    edited April 2013
    Would two Emotiva monoblock UPA-1's do ya? 450 shipped lil over a year old bro.
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  • stuntman3
    stuntman3 Posts: 27
    edited April 2013
    Thanks bro. Bt I'm only interested in Cambridge audio and Rotel. Just need hookup advise
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  • zingo
    zingo Posts: 11,258
    edited April 2013
    Don't bridge them as you will most likely loose sound quality. Bi-amp them vertically with one amplifier per speaker, using the left and right channels per amp to power the top and bottom sets of the binding posts. This allows you to use a separate power supply per speaker.

    Horizontal_and_Vertical_Biamping.jpg
    Jake
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  • stuntman3
    stuntman3 Posts: 27
    edited April 2013
    Thanks. Will do bt 1st I have to buy these amps. Is ther a necessity for a sub woofer?
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  • zane77
    zane77 Posts: 1,696
    edited April 2013
    The A9's go pretty deep all by themselves if you give them some power
    Home Theater
    Onkyo PR-SC5508 Sharp LC-70LE847U
    Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
    Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
    Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
    Two Channel
    Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV
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  • zingo
    zingo Posts: 11,258
    edited April 2013
    I do not prefer a subwoofer with full range speakers that go low enough, but that's just me.
    Jake
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  • F1nut
    F1nut Posts: 50,567
    edited April 2013
    You will not need a sub with those speakers.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • jumpindick
    jumpindick Posts: 428
    edited April 2013
    I don't have sub in the system. The A9s are pretty powerful and have capability to cover low bass. Try without it. See if you like it,
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