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  1. #1

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    Default Kappa 8 in the house! Sorry no new polks this time.

    I was perusing Craigslist the other day and I came across an add with infinity house speakers with the below photo.

    At first I thought they were part of the RS line up until I was able to contact the seller. Upon a few more photos between the seller and myself they turned out to be kappa 8s. I have a buddy in Indy who I was corresponding with and he was quite persistent in having me drop everything I was doing to go get them regardless. I was still holding out on more photos from the seller. With a few more photos between the seller and myself it turned out to be Kappa 8s! I made arrangements to pick them up up at 8 the following morning. Below is a photo of them in my basement audio room.

    The woofers need refoam which should be a easy fix. The polydomes will be the real expense in getting them up and running. I carefully hooked up my Adcom to the highs and it has one rear emit tweeter out. Overall not a bad haul for $50.00! :)
    Speakers: Polk Audio SDA 1C, SDA SRS-2 (fully modded), Monitor 4A, Infinity RS-6b and Infinity Kappa 8.
    Amplifiers: Carver TFM-25 (x2), Adcom GFA 555 and a Dynaco ST-70
    Pre: Carver C-1, Adcom GFP 710, Adcom GFP 555

  2. #2

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    You will love those once you get them up and running right! You may even, dare I say it, like them better than the 1C's!
    --Gary--

  3. #3

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    I sent you a PM Jonathan.

    And one day I will be over to hear these babies once they get up and running.

    I will see what I can find on them as well.
    Advice is free, the Flea Market is earned - F1Nut

    Main HT: APC H15 | Pio 51FD | Uverse DVR | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  4. #4

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    Some info for you:

    Kappa 8 mods: http://www.diyaudio.com/forums/full-...ification.html

    Kappa 8 info: http://www.audiokarma.org/forums/sho...d.php?t=246411
    The K8 is one of Infinity's famous 'amp killers' due to its sealed box design and crossover architecture, which resulted in a very difficult impedance curve that dips down to 2 ohms in some regions. These speakers are very demanding, and require a serious amp that is capable of producing prodigious quantities of current into that 2-ohm load. Amps with these capabilities are usually heavy, hot, and quite expensive.
    Also funny story.... Travis (Trav0821) Carver PM2.0 might pair well with them given its got a nice 2 ohm rating (450 wpc).

    http://thecarversite.com/manuals/man...r%20manual.pdf

    Might be an amp to see if you can borrow once they are up and running to seee how it works....
    Last edited by EndersShadow; 11-03-2013 at 12:00 PM.
    Advice is free, the Flea Market is earned - F1Nut

    Main HT: APC H15 | Pio 51FD | Uverse DVR | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  5. #5

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    Very very nice. I've always wanted to try a pair. Remember hearing them back in the day when they were new, and liking them quit a bit!

    Enjoy!

    cnh
    Onkyo TX-SR 805 System #1 HT AVR
    Office Two Channel: LSi-7s (Nakamichi CA-5, NAD 214, Pioneer BDP51fd)
    Vintage Polks: Polk Monitor 5As, Monitor 7Bs [HK 730], Monitor 10As [Marantz 2265], SDA-2Bs [Jolida JD-303, Jolida MV-MK4]
    Headphones: HD600, Q701, ATH-M50s etc. Bravo Audio Ocean amp., Onkyo P-304, Adcom GFA-555, Technics Direct Drive TT

  6. #6

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    They need a lot of power. Hope you have that covered.

    Boston A400, DefTech BP10,BP-2, Klipsch KG2.5,KG4,KSP-400,KSF-C5,RF3,RC3.
    JBL L20t,L80t3,L166, EPI 20+,T/E 280, Polk 4,4.5,7C,RTA-11T, KEF Coda III, Yamaha NS-690.
    SUB:PF15TL+, Energy e:XL-S8, Optimus SW-10P, Velodyne VA08BVX10. Pre: HK AP2500. Amps: BB175, Adcom GFA-555II, Rotel RB-990BX.

  7. #7

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    He's working on it. .

    He's got a Carver TFM-25 and a decent Adcom, however the issue is neither amp is rated to handle 2 ohms which these may drop to for part of their frequency range.

    He's also got a tube amp that might be able to help him there.
    Advice is free, the Flea Market is earned - F1Nut

    Main HT: APC H15 | Pio 51FD | Uverse DVR | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  8. #8

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    I completely forgot that there is a Carver M1.5T sitting over at my fathers. It was mine but he bought to help fund some Adcoms. I will have to read the manual but I think that can handle 2ohms of less. I am probably going to replace the PolyDomes with these: http://www.simplyspeakers.com/replac...nge-m-330.html

    If I spent the money on replacements from Ebay that are still intact it is just a matter of time before the deteriorate as well. The woofers will be getting refoamed.

    EndersShadow is right if the Carver M1.5T wont cut the mustard then its amp hunting I will go!
    Speakers: Polk Audio SDA 1C, SDA SRS-2 (fully modded), Monitor 4A, Infinity RS-6b and Infinity Kappa 8.
    Amplifiers: Carver TFM-25 (x2), Adcom GFA 555 and a Dynaco ST-70
    Pre: Carver C-1, Adcom GFP 710, Adcom GFP 555

  9. #9

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    Very nice, I had new RSIIIb's in the 80's and often thought about trying to refurb a used pair.

    Source: Squeezebox Touch/CIA Power Supply
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  10. #10

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    Quote Originally Posted by bored184 View Post
    I completely forgot that there is a Carver M1.5T sitting over at my fathers. It was mine but he bought to help fund some Adcoms. I will have to read the manual but I think that can handle 2ohms of less.

    EndersShadow is right if the Carver M1.5T wont cut the mustard then its amp hunting I will go!
    I also failed to mention the 1.5 would work in theory, but my contact said he wouldnt do it.

    Quote Originally Posted by bored184 View Post
    I am probably going to replace the PolyDomes with these: http://www.simplyspeakers.com/replac...nge-m-330.html

    If I spent the money on replacements from Ebay that are still intact it is just a matter of time before the deteriorate as well. The woofers will be getting refoamed.
    Like I said in my email, you can get true replacement parts, but follow up with my contact to make sure they are from the right guys. I asked him about the part you linked to as well and will let you know what he says.
    Advice is free, the Flea Market is earned - F1Nut

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  11. #11

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    Quote Originally Posted by bored184 View Post
    I am probably going to replace the PolyDomes with these: http://www.simplyspeakers.com/replac...nge-m-330.html
    Quote Originally Posted by EndersShadow View Post
    I asked him about the part you linked to as well and will let you know what he says.
    And here is your answer Jon:

    That would be a huge NO on that one. Have seen treads where dudes have used that midrange. The specs on that Mid and the polydome are not even close.
    Advice is free, the Flea Market is earned - F1Nut

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  12. #12

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    Hi

    Nice...here some more 7's in the Bay Area...

    http://sfbay.craigslist.org/eby/ele/4168821601.html

    Cheers
    AVR-Onkyo709
    AMP- Parasound 2125, Adcom 585
    Mains for HT and some Music- RTi12s
    Main for Music only- Linn Keilidh or Usher V-601
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    Bedroom rig:
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    Hunting for a sub...

  13. #13

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    A killer deal on a pair of 8's! Outstanding!

    I've heard a few people on the audiokarma Infinity forum say that those midranges end up sounding quite forward when placed in 8's or 9's, even though they're advertised as drop-in replacements. I don't know what the specs are on the original Polydomes [EnderShadow, do you know?], but I wonder if some additional resistance padding would (at least largely) solve the problem.

    A number of people who have domes that are intact seem to be having a lot of success with Meguiar's plastic & rubber conditioner in bringing them back to translucent, non-brittle state.

    I am envious of your find....G~
    Polk SDA SRS 2
    Polk RTA 15tl
    Polk Monitor 7C
    Polk Monitor 4.6
    Polk Lsi9

    Infinity RS-II (modded)
    Infinity RS-IIIa (modded)
    Infinity RS 2.5 x 2

    Magnepan 1.6QR (modded)

    System: http://forum.audiogon.com/cgi-bin/fr...vol&1290711373

  14. #14

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    Incredible haul for 50 bucks.

    Wish i still had my rs6s, not to listen to, but to part them out, i could have sold you some crystal clear polydomes cheap.

    Probably the most dissapointing speaks i ever owned, let them go for 150 dollars.

    The kappas and rsIIbs are the way to go.
    humpty dumpty was pushed

  15. #15

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    Quote Originally Posted by scottyboy76 View Post
    Incredible haul for 50 bucks.

    Wish i still had my rs6s, not to listen to, but to part them out, i could have sold you some crystal clear polydomes cheap.

    Probably the most dissapointing speaks i ever owned, let them go for 150 dollars.

    The kappas and rsIIbs are the way to go.
    Hehehe, trust me scotty, I almost had him PM you to check....
    Advice is free, the Flea Market is earned - F1Nut

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  16. #16

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    Quote Originally Posted by geoff727 View Post
    A killer deal on a pair of 8's! Outstanding!

    I've heard a few people on the audiokarma Infinity forum say that those midranges end up sounding quite forward when placed in 8's or 9's, even though they're advertised as drop-in replacements. I don't know what the specs are on the original Polydomes [EnderShadow, do you know?], but I wonder if some additional resistance padding would (at least largely) solve the problem.

    A number of people who have domes that are intact seem to be having a lot of success with Meguiar's plastic & rubber conditioner in bringing them back to translucent, non-brittle state.

    I am envious of your find....G~
    I dont know the spec's but I put him in touch with a very skilled technical advisor so he's in good hands.
    Advice is free, the Flea Market is earned - F1Nut

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  17. #17

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    At the price you got them for any $ you put into them will be well worth it .I never heard anyone saying anything bad about the Kappa line ,mine on the other hand were panned universaly SM112s. Great score ,I don't think it equates w/ my $50 SDA 2Bs but it's a really nice pick up and your friend was right to hurry your tuchas over to get them....

  18. #18

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    Below is link to some better photos.
    http://s259.photobucket.com/user/bor...finity%20Kappa
    Speakers: Polk Audio SDA 1C, SDA SRS-2 (fully modded), Monitor 4A, Infinity RS-6b and Infinity Kappa 8.
    Amplifiers: Carver TFM-25 (x2), Adcom GFA 555 and a Dynaco ST-70
    Pre: Carver C-1, Adcom GFP 710, Adcom GFP 555

  19. #19

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    I gotta admit, I thought they were deeper speakers than that. Otherwise they look pretty good.

    How do you like the Kappa 6's?
    Advice is free, the Flea Market is earned - F1Nut

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  20. #20

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    The RS-6bs were my real "audiophile" speakers. I had them hooked up to a Marantz 2226 and I just thought that was the best thing I ever heard. However, I tried the Marantz and Infinity combo awhile back now that I have acquired some nicer stuff and I was surprised how muddy things sounded. I will probably hook them up to one of my Carvers or Adcom amps because I think they could use a little more power to really shine.
    Speakers: Polk Audio SDA 1C, SDA SRS-2 (fully modded), Monitor 4A, Infinity RS-6b and Infinity Kappa 8.
    Amplifiers: Carver TFM-25 (x2), Adcom GFA 555 and a Dynaco ST-70
    Pre: Carver C-1, Adcom GFP 710, Adcom GFP 555

  21. #21

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    The Kappas LIVE!! Photos and impression will occur sometime this coming weekend!
    Speakers: Polk Audio SDA 1C, SDA SRS-2 (fully modded), Monitor 4A, Infinity RS-6b and Infinity Kappa 8.
    Amplifiers: Carver TFM-25 (x2), Adcom GFA 555 and a Dynaco ST-70
    Pre: Carver C-1, Adcom GFP 710, Adcom GFP 555

  22. #22

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    Can't wait for the comparison.

    I missed out on a pair of infinity RS 1B selling for $600 ish. Missed the posting by 5 minutes and they were gone.

  23. #23

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    Quote Originally Posted by scottyboy76 View Post
    Incredible haul for 50 bucks.

    Wish i still had my rs6s, not to listen to, but to part them out, i could have sold you some crystal clear polydomes cheap.

    The mids in the Kappa's and the RS series are not the same. Just sayin'....
    --Gary--

  24. #24

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    I'm pretty sure he's got the amplification covered at this stage, I'm the 'unknown person' who insisted that the drop everything immediately and pick up the Kappa 8's. I've got a pair of RSII's, less of an amp killer than the 8's but still something that doesn't treat an amp with much respect, I'm looking forward to A/B'ing with the Kappa's. Some different drivers employed between both models but I'm guessing they still employ the same infinity sound. The tweeters on the vintage infinities are a lot more reserved than polk tweeters in general, I think that anyone coming from the polk world will initially find them mild until their ears adjust to the more delicate sound.

  25. #25

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    any updates?
    HT Setup... Pioneer Elite SC-37, Polk Audio SDA-SRS 1.2TL's , Oppo BDP 93
    Two Channel... Carver Statement 450~1 Vacuum Tube Monoblocks, Dodd Mid-line Tube Linestage with Psvane 12Ax7 tubes, Pioneer Pdd 9Mk II SACD Player, Yamaha PX-3 Turntable with Sumiko BPS EvoIII, Polk Audio SDA-SRS 1.2TLs.


    "Everything we have fought for has been lost, and everything we fought against, we have become...."

  26. #26

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    Great speakers. A lot of work to rebuild well, but worth it!

    I used to own some Kappa 9 speakers I bought used, fantastic, but needed some real power and room to really sing. Seemed that the drivers kinda started to break down, (surrounds etc) a lot faster than the old Polk RTA11t's I had.

    In fact the Polk speakers were mint looking and running and still are, until my RTAs got mildly water damaged and the particle board swelled a lot etc.

  27. #27

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    50 bucks... what a steal! I love my refurbished rs iii b's and recently picked up some polk 2.3 tl's to try out. Have been dumping money into the polks, but so far have really enjoyed them and they have taken over the listening area.... for now

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