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Tarkus DIY Build Need More Technical Information

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  • Trdat
    started a topic Tarkus DIY Build Need More Technical Information

    Tarkus DIY Build Need More Technical Information

    Hello Guys,

    I am sure you hate new write ups from new members but I am new to DIY and have only built the Amiga Towers and one of Troels' designs the 3WC Bookshelf, so I thought Ill introduce myself. I tend to spend most of my time on Ethan Winer's forum and keen to join this one.

    I have always been interested in a large affordable 3 way speaker. My 3WC is a midsize bookshelf with 22W/8534G00 12W/8524G00 D2608/913000 Scanspeak drivers. Although, there slightly above average drivers and the Tarkus uses drivers which are less expensive, I am really keen on a mid woofer that is at least 6 inches and still potentially getting an upgrade.

    Also, I have been fascinated why Greek music always sounded better in my Toyota Camry car sound system(Glass reflections could also have something to do with it as well) and according to Paul Carmody's write up on the Tarkus it seems paper cones sound better for guitar. So that Bouzukia probably needs a paper cone according to Paul.

    I have 2 12inch sub woofers with the Dayton DC305 driver in a sealed compartment with about .7 QTC and its hooked up with a Marchand XM66 variable crossover, this turns my sound system into something else can not do without it even when playing the 3WC with its 8 inch woofer.

    I am happy for any other recommendations but if I can get some answers to some of the questions below it will help me decide if the Tarkus is my best option.

    1. I am not into expensive audio hype but curious if the chosen drivers for the Tarkus are really a downgrade from the 3WC Bookshelf? I mean are they really entry level drivers that might be not be good enough considering I have built two descent DIY speakers previously?

    2. The write up mentions that the Tarkus is voiced for Rock, and curious if that is just the voicing? Why I ask is that I love techno and crave transients. Does the Tarkus perhaps have slow transients because of it being voiced for rock?

    3. I will definitely add my 2 subs to the set up, maybe crossover it at 60hz maybe 70hz. Now, I don't know the quality difference between the 62 litre Peerless 10inch vs my Dayton 12 inch(40 litres). I am just curious if the transients will match here?

    4. Paul mentions polyfill for the mid cab. Personally I am a big fan of damping with bitumen pads and then felt. I am worried that the design might have been made on using pollyfill to help with enlarging the mid cab litrage. I am not a fan of polyfill as it really deadens the sound, how much transients would I loose if i decide to use only a small amount of polyfill.(obviously a sealed cabinet with less poly fill will lower QTC)

    5. I am also curious how time alignment has been handled on the Tarkus? If anyone can chime in here.

    6. Lastly, if we decide to flush mount the mid and large woofer would that be okay?

    Kindest Regards




  • Jim Holtz
    replied
    Originally posted by civit View Post

    Any recommendations for 15cm midranges in that price class? Satori MW13p seems like a good option.
    I agree with Craig. The SB15CAC is really excellent and affordable. Revelators are always a sold choice but double the money. That said, I really like the mids of the NE series drivers if Tymphany would quit screwing around with availability. The NE149-8 is excellent and available. Many will disagree but I'm not sure that I don't prefer it to the Rev's. I've not heard the Satori MW 13P so I can't comment beyond its hard to find a SB driver that doesn't sound good. My 1st impression of the SB15CAC was extremely positive. I'm hoping to spend more time with it in the future.

    HTH

    Jim

    Leave a comment:


  • PWR RYD
    replied
    The SB15CAC has wonderful midrange and doesn't break the bank.

    Leave a comment:


  • civit
    replied
    Originally posted by Jim Holtz View Post
    Thanks! We're bummed about it too. From our perspective Tymphany has become an unreliable supplier of drivers and we'll focus on other high performing brands as we move forward.
    Jim
    Any recommendations for 15cm midranges in that price class? Satori MW13p seems like a good option.

    Leave a comment:


  • Jim Holtz
    replied
    Originally posted by civit View Post

    That's a big shame about the ne149, Jim. That was a very popular design and a good option for a lot of people.
    Thanks! We're bummed about it too. From our perspective Tymphany has become an unreliable supplier of drivers and we'll focus on other high performing brands as we move forward.

    Jim

    Leave a comment:


  • civit
    replied
    Originally posted by Jim Holtz View Post

    Curt did an update with Morel 328 tweeters but then the NE149-4 mids have gone NLA due to a minimum order of 500 pieces. 8 ohm versions are still available but would require yet another crossover rework. Time to move on.

    Jim
    That's a big shame about the ne149, Jim. That was a very popular design and a good option for a lot of people.

    Leave a comment:


  • Wolf
    replied
    I knew it was for one reason or another. I did not know of the tweeter rehash on them.
    Wolf

    Leave a comment:


  • Jim Holtz
    replied
    Originally posted by Wolf View Post
    ...and the Finalist tweeters are NLA.
    Wolf
    Curt did an update with Morel 328 tweeters but then the NE149-4 mids have gone NLA due to a minimum order of 500 pieces. 8 ohm versions are still available but would require yet another crossover rework. Time to move on.

    Jim

    Leave a comment:


  • djg
    replied
    The precursor to the Finalists is the Statement Monitor, a 3 way with a 7" woofer. Drivers still available, and the design can be built near wall, far wall or both with a switch.

    Statements_Monitor

    Leave a comment:


  • djg
    replied
    Sehlin Sound Solutions - Indium 7

    Leave a comment:


  • djg
    replied
    John Krutke (Zaph) end it all 3 way, kit available elsewhere. If you want big.

    Leave a comment:


  • Wolf
    replied
    ...and the Finalist tweeters are NLA.
    Wolf

    Leave a comment:


  • Paulie
    replied
    Originally posted by Trdat View Post
    For now, I am trying to understand concepts more than anything else to help better my overall knowledge in the DIY sphere, and also going for the long haul in researching for the next best speaker. My current two, Amiga and 3WC are not bad at all and in order to get an upgrade i need to find a great design and to beef up the size and I feel in order to at least get the improvement I'm looking for, I need to go with the statements perhaps statements 2. This is due to its double woofer and double mid plus I can still use my subs to handle the lower frequencies with the 10 inches on the Statements playing more open. With the Tarkus there will be no point in crossing over the massive Tarkus sub with smaller 12 inches that I have got in a 40 litre. Appreciate the note for the approximate 1 meter gap between the wall and speaker Ill take that in consideration.
    The Statement's use the RS225-8 which is an 8 inch woofer not a 10 inch.

    Leave a comment:


  • civit
    replied
    Your suspicion about sound differences between differently sized midranges is spot on. Small midranges can sound great but you may prefer something bigger.

    If you are looking for a design which uses a bigger midrange, very high end but reasonably priced, I'd look at the finalist speakers by Curt Campbell. These use a 150mm (~5") paper cone woofer in an open back configuration. The rest of the drivers have a very high price/performance ratio, similar to the 3w/classic with the scanspeak discovery drivers.

    I would skip the Tarkus, personally. Statements or Finalists would probably give you what you're looking for.

    Leave a comment:


  • Trdat
    replied
    For now, I am trying to understand concepts more than anything else to help better my overall knowledge in the DIY sphere, and also going for the long haul in researching for the next best speaker. My current two, Amiga and 3WC are not bad at all and in order to get an upgrade i need to find a great design and to beef up the size and I feel in order to at least get the improvement I'm looking for, I need to go with the statements perhaps statements 2. This is due to its double woofer and double mid plus I can still use my subs to handle the lower frequencies with the 10 inches on the Statements playing more open. With the Tarkus there will be no point in crossing over the massive Tarkus sub with smaller 12 inches that I have got in a 40 litre. Appreciate the note for the approximate 1 meter gap between the wall and speaker Ill take that in consideration.

    Leave a comment:

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