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  1. #1

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    Default power my lsi15s and center

    need info on rotel 1552 & 1582 to power lsi15 fronts and center for ht setup. looking for 240w/channel for fronts and 200w for center. any recommendations?

  2. #2

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    Welcome to CP!

    So, you're looking for info on rotel 1552 & 1582? I don't have any info off hand, but I would suggest typing those model numbers into Google.

    Good luck!
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  3. #3

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    been there done that. but that info didnt specify 4ohm capability. really want to know what will an amp do for a ht setup. does it make the system louder or increase speaker performance?

  4. #4

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    After quick jaunt over to Rotel's site, I looked at the specs, and neither of them lists specs for 4 ohms, which %99 of the time means they won't push 4 ohm loads...

    Are you willing to look at used amps? What is your budget?

    Don
    Living Room: Adcom GFP-750 (Upgraded), Squeezebox Touch, Oppo BDP-83, Pioneer DV-79AVi, Parasound HCA-3500 (Upgraded), SDA SRS 2 P/B (Gimpod, Sonicaps, & Mills)

    Theater: Denon 4311ci, Oppo BDP-93, Parasound HCA-2205+HCA-2200II, Polk LSi9, LSiC, LSiFX, LSi7, Custom 18" TC Sounds sub with 2 18" PR, Sharp XV-Z12000, Pioneer Kuro KRP-500M (isf Enabled)

    Bedroom: HK AVR354, Pioneer DV-47a, Parasound HCA-1500a, Polk LSi9

  5. #5

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    been there done that. but that info didnt specify 4ohm capability.
    When I Googled that phrase, the first link was to the manual of said amplifiers on the Rotel website.

    The manual said that both are 4 ohm capable.

    really want to know what will an amp do for a ht setup
    The amplifier powers the speakers. jk.

    does it make the system louder or increase speaker performance?
    Louder compared to what? Increased performance compared to what?


    Please provide some more detail, and we will be glad to continue assisting you.

    *Complete sentences and/or thoughts will help a lot.
    Last edited by falconcry72; 09-01-2011 at 07:39 PM.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  6. #6

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    Specifications

    RB-1552

    Continuous Power Output 130 watts/channel
    (20-20 kHz, < 0.03%, 8 ohms)
    Total Harmonic Distortion (20Hz-20kHz, 8 ohms) < 0.03%
    Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.03%
    Frequency Response ( +0.5, ?3dB) 4Hz - 100kHz
    Damping Factor (20-20,000 Hz, 8 ohms) 450
    Speaker Impedance 4 ohms minimum
    Signal to Noise Ratio (IHF A network) 120 dB
    Input Impedance/Sensitivity 12 k Ohms/1.5 volt
    Gain 26.6 dB
    Power Requirements
    U.S. version 120 Volts, 60 Hz
    European version 230 Volts, 50 Hz
    Power Consumption 400 Watts
    Dimensions
    Width x Height x Depth 431 x 144 x 339 mm
    17 x 57
    /8 x 133
    /8 ins.
    Front Panel Height 3U / 132.6mm / 51
    /4 ins.
    Weight (net) 12.4kg / 27.27 lbs.

    RB-1582

    Continuous Power Output 200 watts/channel
    (20-20 kHz, < 0.03%, 8 ohms)
    Total Harmonic Distortion (20Hz-20kHz, 8 ohms) < 0.03%
    Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.03%
    Frequency Response ( +0.5, ?3dB) 15Hz - 100kHz
    Damping Factor (20-20,000 Hz, 8 ohms) 800
    Speaker Impedance 4 ohms minimum
    Signal to Noise Ratio (IHF A network) 116 dB
    Input Impedance/Sensitivity 12 k Ohms/1.9 volt
    Gain 26.5 dB
    Power Requirements
    U.S. version 120 Volts, 60 Hz
    European version 230 Volts, 50 Hz
    Power Consumption 550 Watts
    Dimensions
    Width x Height x Depth 431 x 144 x 407 mm
    17 x 57
    /8 x 16 ins.
    Front Panel Height 3U / 132.6mm / 51
    /4 ins.
    Weight (net) 17.1kg / 37.62 lbs.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  7. #7

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    Default

    Quote Originally Posted by supertec View Post
    been there done that. but that info didnt specify 4ohm capability. really want to know what will an amp do for a ht setup. does it make the system louder or increase speaker performance?



    An external power amp may allow you to play your speakers louder depending on the receiver you have. Some amplifier manufacturers list the power into
    8,4 and 2 ohms. Most really good amps will produce more power as the ohms decrease. A speaker rated at 4ohms may actually dip to 2ohms depending on the frequency response being played.
    TO ERR IS HUMAN. TO FORGIVE IS CANINE.

  8. #8

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    don73 thanks for the info. i guess what im really hoping for is that an amp will add warmth and spaciousness to the speaker setup. is this what a good quality amp does? keep in mind i am new to this world of high end audio so forgive me if my ?s appear to be open ended.
    Last edited by supertec; 09-04-2011 at 05:22 PM.

  9. #9

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    This will had no trouble powering your front end: http://www.wyred4sound.com/webapps/p.../117839/339144
    "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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