Sda Srs

criverajr
criverajr Posts: 1,675
edited January 2008 in Vintage Speakers
How hard are these to drive, would like to get my son an amp for his new aquisition, do I need 200 wpc to make them sing or should I buy the amc on the FM.

CRj
Post edited by criverajr on
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  • heiney9
    heiney9 Posts: 25,204
    edited November 2007
    The larger the SDA the easier (relatively speaking) they are to drive. The AMC would certainly be a great starting point for your son. Let him decide later on down the road if he wants/needs more power.

    I say go for it!

    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 Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • criverajr
    criverajr Posts: 1,675
    edited November 2007
    Lasereth,

    I am about 20 minutes south of you in Union, NJ. We should get together sometime soon.

    CRj
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  • Ricardo
    Ricardo Posts: 10,636
    edited November 2007
    Here we go again with the 200WPC minimum ;)

    When I first got my SDA SRS's, I drove them with an Adcom 535 (60 WPC). Was enough. Of course I "had" do upgrade to a 555 :)

    The AMC will be more than just ok, meanining you won't really "need" any more, unless you have them in a stadium.
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  • read-alot
    read-alot Posts: 812
    edited November 2007
    If they are original SRS speakers you can power them with just about any amp capable of running 4 ohm loads but as the manual states to fully hear the dynamic range your speakers can produce they suggest a moderate power amp.
    polkaudio SRS (rdo194 x 8)
    Dodd ELP (separate power supply)
    JC 1 blocks ( strapped )
    Rega Apollo
    MIT (speaker cables) Outlaw (ICs)

    polkaudio SDA2(rdo194x4) (front) polkaudio CRS (rdo194x4)(rear) polkaudio 400i (center)
    B&K 505
    Samsung LCD
    VIP 622
    HSU STF-2
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  • reeltrouble1
    reeltrouble1 Posts: 9,312
    edited November 2007
    all you need is a high current amp, any flavor you like, something around 25 amperes as a starting point but I suppose the more the better.

    RT1
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  • read-alot
    read-alot Posts: 812
    edited November 2007
    These specs from the manufacture should give you an idea.

    http://www.polkaudio.com/homeaudio/specs/srs/
    polkaudio SRS (rdo194 x 8)
    Dodd ELP (separate power supply)
    JC 1 blocks ( strapped )
    Rega Apollo
    MIT (speaker cables) Outlaw (ICs)

    polkaudio SDA2(rdo194x4) (front) polkaudio CRS (rdo194x4)(rear) polkaudio 400i (center)
    B&K 505
    Samsung LCD
    VIP 622
    HSU STF-2
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  • Ricardo
    Ricardo Posts: 10,636
    edited November 2007
    Also, your son got the SRS2's, right? Should be easier to drive than the big ones.
    _________________________________________________
    ***\\\\\........................... My Audio Journey ............................./////***

    2008 & 2010 Football Pool WINNER
    SOPA
    Thank God for different opinions. Imagine the world if we all wanted the same woman
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  • dorokusai
    dorokusai Posts: 25,577
    edited November 2007
    I believe the standard is 1000 watts of monoblock power....minimum.
    CTC BBQ Amplifier, Sonic Frontiers Line3 Pre-Amplifier and Wadia 581 SACD player. Speakers? Always changing but for now, Mission Argonauts I picked up for $50 bucks, mint.
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  • heiney9
    heiney9 Posts: 25,204
    edited November 2007
    Ricardo wrote: »
    Also, your son got the SRS2's, right? Should be easier to drive than the big ones.

    Actually if they are SRS 2's they are a bit of a difficult load compared to reagular SRS's. Still the AMC should be enough for now and probably the future too.

    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 Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • criverajr
    criverajr Posts: 1,675
    edited November 2007
    Ordered a emotiva amp, he should enjoy his new speakers taking them down next thursday.

    CRj
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  • criverajr
    criverajr Posts: 1,675
    edited November 2007
    Sal,

    That sounds good, will have the SDA's tomorrow afternoon. I heard a Carver amp at Lou's house when I brought my first ones from him. Hope to hear your set-up soon. Seller told me he is the original owner and the speakers are in mint condition driven with only Mac gear. Selling due to illness, we shall see.

    Carlos
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  • criverajr
    criverajr Posts: 1,675
    edited November 2007
    Brought the SDA's home, absolutely in mint condition, original owner driven with a stunning Mac set-up. The guy is retiring and bit sick so he is getting rid of his gear, most of it is spoken for but he said he had some more in a storage. Great guy to deal with, lots of knowledge. Will post pictures when I find my digital camera. They sounded amazing in his house. My son is going to have a ball.

    CRj
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  • Systems
    Systems Posts: 14,873
    edited November 2007
    i'm driving my sda srs 1.2's with 200w mono blocks for the bottom and a 105w/channel amp for the top. sweet!
    Testing
    Testing
    Testing
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  • Schurkey
    Schurkey Posts: 2,104
    edited November 2007
    reeltrouble1 wrote: »
    all you need is a high current amp, any flavor you like, something around 25 amperes as a starting point but I suppose the more the better.

    RT1
    Since there is NO regulated standard for judging amplifier claimed amperage ratings, there's no way to buy an amplifier based on those amperage ratings.

    Any quality amplifier can throw incredible amperage output--if you limit the impulse to a short enough time frame. There is no standard for the time duration.

    Aragon--just as an example--refuses to specify amperage output except to say that the positive and negative circuit board voltage rails are fused with 8 or 10 amp fuses (depends on the model) on each channel; and so their amplifiers are capable of 16 to 20 amps of continuous AC output. If you ask them what the "peak" or "instantaneous" output is, their standard reply is "Whatever you want it to be."
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  • danger boy
    danger boy Posts: 15,722
    edited November 2007
    the SRS's actually can run on very little power. as long as your amp is capable of 4ohm loads. so anything over like 50wpc is ok as long as it's coming from a decent amp. I wouldn't try to run the SRS's with a Yorx component system though. :eek::eek::confused::p
    PolkFest 2012, who's going>?
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  • OldmanSRS
    OldmanSRS Posts: 419
    edited November 2007
    I drive mine with a Carver TFM-35. For loud-normal listening levels it's seeing peaks at 33W/channel. At 110W peaks, it's rocking the house.
    '65 427 Shelby Cobra
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    __________________
    '88 Polk SDA SRS 1.2, with upgraded XO caps and Erse SDA inductors
    '86 Polk SDA CRS+
    '84 Polk Monitor 10A (Peerless tweeters)
    '05 HSU VTF-3 Sub (Original OEM)
    '20 HSU VTF-3 Sub (three more, 100% cloned)
    '93 Carver TFM-35
    '88 Carver M-1.0t
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    '88 Adcom GFA-555 (a second one upgraded/restored)
    '05 Onkyo DV-555 media
    '89 Fosgate 360 Digital Space Matrix
    '89 Fosgate 360 Digital Space Matrix, internal surround amp bridged to drive only a center channel
    '91 Kenwood Basic M1D Amp
    '89 Pioneer Laser Disc media
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    One PGA2310 based custom built remote volume control
    Four Polk T-15's
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  • BaggedLancer
    BaggedLancer Posts: 6,371
    edited November 2007
    CATTTTTHHHHHYYYYY! Where is she when you need her?

    She will tell you all about how many wpc is needed.
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  • cpsolo2
    cpsolo2 Posts: 6
    edited December 2007
    I have tested many amps with polk speakers over the years and the Yamaha MX 800/MX1000 are great ones. also the Onkyo M506/M5099 amps can do the job as well. Vintage Sony Servo drive and DBX amps can work well but finding them is a ****. I have a spare MX800 laying around I could probably part with as I prefer the Onkyo amps
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  • read-alot
    read-alot Posts: 812
    edited December 2007
    cpsolo2 wrote: »
    I have tested many amps with polk speakers over the years and the Yamaha MX 800/MX1000 are great ones. also the Onkyo M506/M5099 amps can do the job as well. Vintage Sony Servo drive and DBX amps can work well but finding them is a ****. I have a spare MX800 laying around I could probably part with as I prefer the Onkyo amps

    I too have tested many amps in SDAs over the years but it wasn't until I got the SRS with 12 drivers in each speaker that I figured out that I needed better amps.

    Matt Polk recommends a minimum 1000 watts per side as stated earlier in this thread. You can power them with less but the satisfaction level goes up with every step you get closer to the manufactures suggested power application.
    polkaudio SRS (rdo194 x 8)
    Dodd ELP (separate power supply)
    JC 1 blocks ( strapped )
    Rega Apollo
    MIT (speaker cables) Outlaw (ICs)

    polkaudio SDA2(rdo194x4) (front) polkaudio CRS (rdo194x4)(rear) polkaudio 400i (center)
    B&K 505
    Samsung LCD
    VIP 622
    HSU STF-2
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  • Jose
    Jose Posts: 11
    edited January 2008
    I am a new member and i own SDA SRS 3.1LT, AND NEED THE OWNER`S MANUAL
    AND SOME HELP About this:
    I HAVE AN ASHLY AMP FET-1000 M 100 WATS RMS PER CHANEL TO 8 OMS. Is it Enought?
    I have a subwoofer JBL control SB-5. Can I use it?
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  • nms
    nms Posts: 671
    edited January 2008
    Jose wrote: »
    I am a new member and i own SDA SRS 3.1LT, AND NEED THE OWNER`S MANUAL
    AND SOME HELP About this:
    I HAVE AN ASHLY AMP FET-1000 M 100 WATS RMS PER CHANEL TO 8 OMS. Is it Enought?
    I have a subwoofer JBL control SB-5. Can I use it?

    Make sure your amp can drive 4 ohm loads and you should be ok.
    My system

    "The world is an ever evolving clusterf*ck." --treitz3
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