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  1. #1

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    Default Question about power amps

    Since Im having a hard time getting a beefy Adcom GFA 7807 (300x7), I was wondering if there would be a significant difference in that or using 5 additional M2200s(200x 1) with the 2 I have now. I guess what Im trying to say; is the 100 watt difference really going to matter? If the difference is small then I wont really worry about it, but if it is, I guess I have to pay for shipping. Any advice?
    Shoot the jumper.....................BALLIN.............!!!! !

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  2. #2

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    I do not think going to 300WPC will make a noticeable difference, and you really don't need a lot more than 100 WPC for your sides/rears (smaller speakers, less sound going to those channels).
    I would still try to get 200watts for the center, but wouldn't be so worried about the rest. You could even try driving them with your AVR and see if you like it.
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  3. #3

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    The only difference will be in the sound. Adcom and Outlaw sound very different. The extra headroom of Adcom would be nice also. I say hold out for the Adcom a little longer, if you can. The Outlaws will do the job nicely too if you can't wait and have the room for all those pieces.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass

    Pass Aleph 30; Eastern Electric Mini Max; Adcom GDA600; MIT S3/Z Pc; SDA 1C; Squeezebox; Tubes add soul!

  4. #4

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    which would be the better sounding amp?
    Shoot the jumper.....................BALLIN.............!!!! !

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  5. #5

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    I agree with HTRookie.

    I'll add one thing -- save your money and buy one more M2200 for the center channel and power the four remaining speakers with your receiver.

    IMO, it doesn't make sense to spend a lot of money on a separate power source for all speakers, but the signal is being fed by an AV receiver. If you're gonna get a muscular 7-channel amp, you might as well go all the way and get a separate processor. Otherwise, you won't be getting the most out of your amp.
    HT/2-channel Rig: Sony 50 LCD TV; Toshiba HD-A2 DVD player; Emotiva LMC-1 pre/pro; Rogue Audio M-120 monoblocks (modded); Placette RVC; Emotiva LPA-1 amp; Bada HD-22 tube CDP (modded); VMPS Tower II SE (fronts); DIY Clearwave Dynamic 4CC (center); Wharfedale Opus Tri-Surrounds (rear); and VMPS 215 sub

    "God grooves with tubes."

  6. #6

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    HT/2-channel Rig: Sony 50 LCD TV; Toshiba HD-A2 DVD player; Emotiva LMC-1 pre/pro; Rogue Audio M-120 monoblocks (modded); Placette RVC; Emotiva LPA-1 amp; Bada HD-22 tube CDP (modded); VMPS Tower II SE (fronts); DIY Clearwave Dynamic 4CC (center); Wharfedale Opus Tri-Surrounds (rear); and VMPS 215 sub

    "God grooves with tubes."

  7. #7

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    Quote Originally Posted by Sherardp View Post
    which would be the better sounding amp?
    That's hard to say........IMHO, I prefer the Adcom in this situation. HTrookie has given you a great alternative. For HT use you may not notice much difference in the sound. I'm not an HT guy, so I guess I can't really appreciate your dilema. EarlyB and HTrookie have given you a solid alternative.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass

    Pass Aleph 30; Eastern Electric Mini Max; Adcom GDA600; MIT S3/Z Pc; SDA 1C; Squeezebox; Tubes add soul!

  8. #8

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    Sherarp, I would think adding another M200 to round out your front soundstage would be sufficient. The surrounds should be fine just off your AVR.

    Now, if you plan to go with LSis or something else down the road, a multi channel amp and pre/pro combo would probably be best. . . but RTi4s and FXs are pretty easy to push and it would be a waste to only have your Sony ES doing processing duties.

    BTW, what are your thoughts on HD-DVD (A1) versus your BR player? What do the faces signify next to each?
    Stereo Rig: Hales Revelation 3, Musical Fidelity CD-Pre 24, Forte Model 3 amp, Lexicon RT-10 SACD, MMF-5 w/speedbox, Forte Model 2 Phono Pre, Cardas Crosslink, APC H15, URC MX-950, Lovan Stand
    Bedroom: Samsung HPR-4252, Toshiba HD-A2, HK 3480, Signal Cable, AQ speaker cable, Totem Dreamcatchers, SVS PB10-NSD, URC MX-850

  9. #9

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    I have Adcom 555II for front and 3 - M200 for Center and side.

    engtaz

    AVR: Denon AVR-4802
    Front AMP: Adcom GFA-555II
    Center and Side Surround AMP: Qty - 3 Outlaw M200's
    Front: Polk SDA SRS 3.1
    Center: Polk Monitor 5's
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    Projector: Mitsubishi HD1000U
    Screen: GrayWolfII 106"
    Last edited by engtaz; 04-09-2007 at 12:12 PM.
    engtaz

    I love how music can brighten up a bad day.

  10. #10

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    While most tend to discount the back channels, I would like to point out that they DO benefit from additional power just like the front stage does. So long as the receiver does a good job at decoding & what not it is not going to waste.

    I also see this way, if all of your channels are amped, it makes it all the easier to go straight to a prepro once you have decided to upgrade your receiver.
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

  11. #11

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    Quote Originally Posted by cfrizz View Post
    While most tend to discount the back channels, I would like to point out that they DO benefit from additional power just like the front stage does.
    I knew it....it was only a matter of time ;)
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  12. #12

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    Denon 4802 125 watts a channel running back surround.
    200 watts per all other speaker.

    engtaz

    AVR: Denon AVR-4802
    Front AMP: Adcom GFA-555II
    Center and Side Surround AMP: Qty - 3 Outlaw M200's
    Front: Polk SDA SRS 3.1
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    Surround Side: Polk R50
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    engtaz

    I love how music can brighten up a bad day.

  13. #13

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    Quote Originally Posted by cfrizz View Post
    While most tend to discount the back channels, I would like to point out that they DO benefit from additional power just like the front stage does.

    I agree with this as well.
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  14. #14

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    Not surprising..... girls seem to agree that power makes a difference :D
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  15. #15

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    Hey if you want to listen to an overpowering front stage & can't hear crap out the back, be my guest! It's your loss, cause Darla & I are rockin in 5-7 channel HEAVEN!!!!:p ;) :D :D :D :D :D
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

  16. #16

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    :D :D HTrookie looking for cat fight:D :D

    engtaz
    engtaz

    I love how music can brighten up a bad day.

  17. #17

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    Not a fight I want to get in.......

    Hey girls, you are right....I'm sorry :) :p
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  18. #18
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    Man I've been reading all these posts on HT amps and stuff and I gotta say I never really took this all seriously when it came to HT. I always viewed 2 ch sound as trying to acurately reproduce music/performances and therefore needing the necessary, accurate, pure gear and HT as sound effects and just needing gear that would produce sound effects. I guess I have a lot of home work to do if I am to get the most out of an HT rig.

  19. #19

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    Quote Originally Posted by hearingimpared View Post
    Man I've been reading all these posts on HT amps and stuff and I gotta say I never really took this all seriously when it came to HT. I always viewed 2 ch sound as trying to acurately reproduce music/performances and therefore needing the necessary, accurate, pure gear and HT as sound effects and just needing gear that would produce sound effects. I guess I have a lot of home work to do if I am to get the most out of an HT rig.
    Joe, For your HT set-up that NAD T773 beast of a receiver you have will fit the bill nicely. I don't think you need to concern yourself with outboard amps. But then again, knowing you I might be wrong here!!!!LOL:D
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  20. #20

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    Joe, you'll be ok. I have my RTi speakers powered by a Denon receiver. It gives me all I want for HT, and I like it loud & clear. I don't think I'll ever put an external amp there....and you all know how much I suffer from upgradeitis....
    For 2 channel, it's a different story.
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  21. #21

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    Well I think I will just add 3 more Monos to the 2 I currently have. That will put one on each speaker on the front soundstage, plus one per each new FXi5 side surround. I will use the Denon 4308ci for my rear Rti4s.

    As for the Blu Ray/HD DVD comparison, I do enjoy both formats. With all the new titles coming to HD DVD and price you simply cant go wrong there. On almost every HD DVD title I've watched the PQ/SQ seems on point everytime. The Sony BRp is very nice, however I cant say that every title on BR has the same pop effect as HD DVD. I watched Flyboys last night and the PQ/SQ was second to none, it was definitely on point with HD DVD. I just think BR should be more consistent with the PQ/SQ of HD DVD, and lately it some what has been. Either way though, I enjoy both.
    Shoot the jumper.....................BALLIN.............!!!! !

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  22. #22

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    Well this is fine for all of you that have 2 separate systems, I don't & I doubt I ever will. So I have to make sure my system is giving me everything it can.:)

    Quote Originally Posted by HTrookie View Post
    Joe, you'll be ok. I have my RTi speakers powered by a Denon receiver. It gives me all I want for HT, and I like it loud & clear. I don't think I'll ever put an external amp there....and you all know how much I suffer from upgradeitis....
    For 2 channel, it's a different story.
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  23. #23

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    Quote Originally Posted by cfrizz View Post
    Well this is fine for all of you that have 2 separate systems, I don't & I doubt I ever will. So I have to make sure my system is giving me everything it can.:)
    Tell em Cathy.:D :D


    LMAOOO. REGARDS SNOW

  24. #24

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    Quote Originally Posted by HTrookie View Post
    Not a fight I want to get in.......

    Hey girls, you are right....I'm sorry :) :p
    Men pay attention. This is ALWAYS the correct answer.:p
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  25. #25

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    I've got a denon 785 s It's 80 watts x 7ch. I have an adcom gfa 555 powering my fronts which is pushing 325/ch. the sound stage all around is even there is no jump in volume from 1 speaker to another. Just make sure you set it up right and you will be fine. I had to decrease the volume of the fronts in order tho match it with the rest of the speakers, but it's only down by 2 db's. and center is turn way high up(because it's junk and inefficient). Nice thing about the receiver is when I switch to 2 ch it sets the gain back to 0 (or what ever I last had it set at)and I have full volume. I would say if you are going to use separate amps for you speakers keep the the same brand to help keep voicing the same all the way around. I have decent results with my setup, but I am also not using matched speakers, so at this time separate amplification for the center, sides and rears would be a waste as of right now for me.

    Later,
    dude
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  26. #26
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    Quote Originally Posted by wingnut4772 View Post
    Men pay attention. This is ALWAYS the correct answer.:p
    "YES DEAR," always works for me!:o

  27. #27

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    Having matching speakers has nothing to do with the sound quality you get Dude. None of my speakers match either, but all sound great with the separate amplification. What's important is to calibrate all of them so that they are even.


    Quote Originally Posted by dudeinaroom View Post
    ...I have decent results with my setup, but I am also not using matched speakers, so at this time separate amplification for the center, sides and rears would be a waste as of right now for me.

    Later,
    dude
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  28. #28
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    Quote Originally Posted by cfrizz View Post
    Having matching speakers has nothing to do with the sound quality you get Dude. None of my speakers match either, but all sound great with the separate amplification. What's important is to calibrate all of them so that they are even.
    Yes Dear!

  29. #29

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    You tell em Darla! Joe, WAAAAAAAAAAAAAAAAAAAAAAAA!!! x2!!!
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  30. #30

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    smack smack smack better to be a masochist. LOL

    engtaz
    engtaz

    I love how music can brighten up a bad day.

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