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  1. #1

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    Default SDA SRS 2nd gen Crossover Help/Tips

    Hi Everyone

    Very new to the site. I recently picked up a pair of SDA SRS 2nd gen enclosures( very lucky...they're in wonderful shape!). I've seen a lot of threads on xover upgrades on other vintage models, but haven't seen anything specific to this model. I've been to Vr3 's site but am confused on which of these gimpod xover upgrades applies: SDA 2BTL / SDA 1C / SDA SRS 1.2 / SDA SRS 1.2TL / SDA SRS 3.1TL as I don't know which applies to my model.

    I'm also trying to confirm the use of the RDO-198s over the 194s - want to confirm that this is an approach that is a universal in the forum . Just looking for some tips. Any links or tips would be much appreciated. I'll post a pic of my crossover shortly. Thanks!

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    just post a pic of the speaker too.
    JC approves....he told me so. (F-1 nut)

  3. #3

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    Here are pix of my right channel enclosure
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    Last edited by Alwishus; 04-04-2013 at 10:48 PM.

  4. #4

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    Better pic of the speaker
    Attached Images  

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    i'll chime in with what little I know. I think your speakers are the SDA/SRS and not called the 1.2 or 1.2TL

    The tweeters are the 2000 models which require the RDO-194 replacement.

    Someone will respond shortly and correct me if I'm wrong.

    Very nice set you have there!

    What are you driving those with?

  6. #6

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    Quote Originally Posted by charley95 View Post
    i'll chime in with what little I know. I think your speakers are the SDA/SRS and not called the 1.2 or 1.2TL

    The tweeters are the 2000 models which require the RDO-194 replacement.

    Someone will respond shortly and correct me if I'm wrong.

    Very nice set you have there!

    What are you driving those with?
    Looking for an amp as we speak Chas. I picked up an Onkyo TX-NR818 for the HT portion. Remodeling my basement and designing it around these babies. Believe it or not, I got these for free. The woman just wanted to get rid of them. She said her husband bought them close to 30 years ago and she's always hated them. Man did I get lucky. They're a bi*ch to move, but damn they just don't make them like this anymore.

    As for the 194's..I see some of the guys going with a modified 198. Just wondering if that could apply to these as well ?? Modified in that there's a mod on the xover to accomodate the 198.
    Last edited by Alwishus; 04-04-2013 at 11:30 PM.

  7. #7

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    Quote Originally Posted by Alwishus View Post
    Looking for an amp as we speak Chas. I picked up an Onkyo TX-NR818 for the HT portion. Remodeling my basement and designing it around these babies. Believe it or not, I got these for free. The woman just wanted to get rid of them. She said her husband bought them close to 30 years ago and she's always hated them. Man did I get lucky. They're a bi*ch to move, but damn they just don't make them like this anymore.

    As for the 194's..I see some of the guys going with a modified 198. Just wondering if that could apply to these as well ?? Modified in that there's a mod on the xover to accomodate the 198.
    FOR FREE!!!! WoW!! You are a lucky guy. Those look like they were very well taken care of. Congrats on the speakers!!
    Sunfire Theater Grand IV
    Sunfire Cinema Grand Signature
    SRS 2.1TL
    SDA 2BTL's
    CSiA6
    FXiA4
    FXiA6
    SDA 2A's
    Monitor 10A's

    http://www.douglasconnection.com

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    Quote Originally Posted by helipilotdoug View Post
    FOR FREE!!!! WoW!! You are a lucky guy. Those look like they were very well taken care of. Congrats on the speakers!!
    Thanks! I know..can you believe it? She is getting ready to retire and had to consolidate space. I work with her. I asked her what she wanted for them (after she told me they were Polks...over 5ft tall). I couldn't get over there fast enough to get them. lol. I'm going to get these into mint shape. Little love and coin and they'll be singin.

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    Those are the original SDA SRS's with the blade/blade SDA cable. You cannot use RD0198-1 tweeters, you cannot use Gimpod's boards and you must use a common ground amp.
    '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 turd by the clean end."

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    This is terrible news. I was hoping to upgrade my newly acquired SDA SRS's. Is there no hope?

  11. #11

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    You can still upgrade your crossovers using the stock boards, add Dynamat Extreme to the baskets, upgrade the binding posts, upgrade to the RD0194-1 tweeters, add spikes and maybe even acquire a set of Larry's rings.
    '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 turd by the clean end."

  12. #12

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    Quote Originally Posted by Alwishus View Post
    As for the 194's..I see some of the guys going with a modified 198. Just wondering if that could apply to these as well ?? Modified in that there's a mod on the xover to accomodate the 198.
    I wouldn't consider the 198 for the SRS an official mod, more of a guestimate or hack. Stick with the 194's.
    "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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    Quote Originally Posted by F1nut View Post
    You can still upgrade your crossovers using the stock boards, add Dynamat Extreme to the baskets, upgrade the binding posts, upgrade to the RD0194-1 tweeters, add spikes and maybe even acquire a set of Larry's rings.
    Hi F1- Thanks much.

    I'm glad I can still upgrade my stock boards. Are there any projects on the forum that you saw specific to this model? I've seen your name all over the place on the forum (along with some others such as Schurkey), so your guidance and those of the other polk royalty is very much appreciated. On my way to work, so I can't scour the forum till later.

    I'm guessing the Dynamat placement within the enclosure is specific..which means I can get them in through the driver holes (rolled up first?)

    Binding posts- are those the spade clip connections?

    Spikes?

    Larry's Rings?

    Leaving for work in a couple (east coast time here in CT). Very thankful for all the help...that goes for everyone. Happy Friday folks!!!

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    Dynamat the driver baskets and the PR baskets, not the cabinet dynamat has little effect on the cabinet. There are other better materials like Black Hole and some other similar products for the cabinet.

    Binding posts are the threaded posts that your speaker wires connect to.

    Spikes go on the bottom of the cabinet to help couple the cabinet to the floor. Can be found almost anywhere selling speaker components.

    Larry's rings are made by Toolfan and are rings essentially the size of you speaker and PR gaskets that go behind the baffle. They have threaded inserts to mount the drivers/ passives with and give a much better mount and seal than the original screws/ fasteners. If you can not get these, hurricane nuts work well also.

    Welcome to the forum. Congrats, I had to spend over a grand and drive a 10 hour round trip to get my SRS's. Enjoy the ride and don't forget proper crossover upgrades. Listen to the guys here on the forum and you can make some great improvements to those.

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    Nice score! And what a price . . .I never get that lucky b
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR binding posts, upgraded IC Cable, Black Hole Damping Sheets (3" strips) installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA transformer

  16. #16

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    Quote Originally Posted by drumminman View Post
    Nice score! And what a price . . .I never get that lucky b
    join the club right there with ya

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    Considering the "Price" that you had to pay for them you can do every modification and turn them into the speakers of your dreams for less than a newer set alone might end up costing.

    And they look like they are in absolutely perfect condition. How are the grills?

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    Wow great price. There are several members here who can guide you on the upgrades better than I can, you should listen to them as they know what they are talking about. Welcome !!

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    Quote Originally Posted by Mr. Bubbles View Post
    Dynamat the driver baskets and the PR baskets, not the cabinet dynamat has little effect on the cabinet. There are other better materials like Black Hole and some other similar products for the cabinet.

    Good to know.

    Binding posts are the threaded posts that your speaker wires connect to.

    Interesting...do these improve sound or are they just a 'good to swap out' part?

    Spikes go on the bottom of the cabinet to help couple the cabinet to the floor. Can be found almost anywhere selling speaker components.

    LOL...guessing I'll have to keep these on a rug if I have spikes!

    Larry's rings are made by Toolfan and are rings essentially the size of you speaker and PR gaskets that go behind the baffle. They have threaded inserts to mount the drivers/ passives with and give a much better mount and seal than the original screws/ fasteners. If you can not get these, hurricane nuts work well also.

    I've seen posts on these, but never knew what they were. Sounds like they're harder to get now than they used to be. I like concept on these already.

    Welcome to the forum. Congrats, I had to spend over a grand and drive a 10 hour round trip to get my SRS's. Enjoy the ride and don't forget proper crossover upgrades. Listen to the guys here on the forum and you can make some great improvements to those.

    Thank you for the welcome!! I won't rub it in on my deal. I knew it was a good thing before I picked them up. Now I know how much of a good thing it was!!! Appreciate the response brudda!

  20. #20

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    Quote Originally Posted by oldmodman View Post
    Considering the "Price" that you had to pay for them you can do every modification and turn them into the speakers of your dreams for less than a newer set alone might end up costing.

    And they look like they are in absolutely perfect condition. How are the grills?
    Grills are in great shape. However, there is some fraying towards the bottom (grills only, no issues on the fabric on the speakers). I'll be looking into replacing the fabric with something newer. I'm committed to getting these to the best condition possible. Money is not an option. thanks man!

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    Quote Originally Posted by vmaxer View Post
    Wow great price. There are several members here who can guide you on the upgrades better than I can, you should listen to them as they know what they are talking about. Welcome !!
    I'm all ears!!! Going to eat up every bit of advice I can. I'm still trying to find out what the best swaps are for my xovers. I'm sure the good tips will keep coming. Thanks for the welcome vmax!

  22. #22

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    Alright...I promise I won't get mad if someone posts the laundry list of components to swap out my xovers...

  23. #23

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    'Political Correctness'.........defined

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    Quote Originally Posted by Alwishus View Post
    Grills are in great shape. However, there is some fraying towards the bottom (grills only, no issues on the fabric on the speakers). I'll be looking into replacing the fabric with something newer. I'm committed to getting these to the best condition possible. Money is not an option. thanks man!
    The best cloth match I have found is here: http://www.parts-express.com/pe/show...number=260-332

    When you say "Money is not an option" does that mean "Money is no object"? as in, there is no limit to what I can spend on these? If so, you've come to the right place! We love to spend other peoples money
    SDA CRS+4.1TL's/Modded SDA 1C's/Modded SDA SRS 3.1 TL's/Modded SDA SRS 2.3TL

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    No wonder he died.
    Yea and because of there size they are hard to steal.
    Once again, you need the SDA Handbook. It takes a minute to download.
    http://vr3mods.com/uploads/SDA_Handbook_2011_Rev2.pdf

    Quote Originally Posted by Alwishus View Post
    Looking for an amp as we speak Chas. I picked up an Onkyo TX-NR818 for the HT portion. Remodeling my basement and designing it around these babies. Believe it or not, I got these for free. The woman just wanted to get rid of them. She said her husband bought them close to 30 years ago and she's always hated them. Man did I get lucky. They're a bi*ch to move, but damn they just don't make them like this anymore.

    As for the 194's..I see some of the guys going with a modified 198. Just wondering if that could apply to these as well ?? Modified in that there's a mod on the xover to accomodate the 198.
    Last edited by PolkieMan; 04-06-2013 at 04:12 PM.

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    Quote Originally Posted by Mike Reeter View Post
    The best cloth match I have found is here: http://www.parts-express.com/pe/show...number=260-332

    When you say "Money is not an option" does that mean "Money is no object"? as in, there is no limit to what I can spend on these? If so, you've come to the right place! We love to spend other peoples money
    LOL. I fat fingered that one! yea..money is not an object to a certain extent. These enclosures are so worth it man. Thank you for the link Mike

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    Quote Originally Posted by F1nut View Post
    perfect. ty F1

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    I was looking at your crossover wires they look like they are not original. I am talking about the clear insulation wires. You are going to need to check your wiring on these. Also ask her if he had any spikes or Bass Brace or Manuals, you never know

  29. #29

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    The clear coated wires soldered to the crossover board are original and are a dead give away that they are SDA SRS speakers. IMO, it would be best to replace them as that clear coated wire tends to oxidize over time.
    'Political Correctness'.........defined

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    Quote Originally Posted by F1nut View Post
    The clear coated wires soldered to the crossover board are original and are a dead give away that they are SDA SRS speakers. IMO, it would be best to replace them as that clear coated wire tends to oxidize over time.

    You know...I've been listening to these speakers for the last week and they're just wonderful. Yet the more I read, the more I hear how much the mods make a difference. I'm blown away that these beautiful works art can sound any better than they already do. I'm totally amped about upgrading these babies. Got some good updates from Vr3 today...may be dropping some coin soooon.

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