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Building the Ergo E-IX mini-monitor loudspeaker system

Discussion in 'd.i.y.' started by James, Jan 21, 2012.

  1. Yank

    Yank Bulbous Also Tapered

    James, I notice that on both versions the series cap on the tweeter is rather small, is this compensation for the wave guide?
  2. James

    James Lord of the Erg\o/s

    It's been more than 10 years since I designed this, so I honestly can't remember. The wave guided response was obviously taken into account as I designed the XO with measured data. You will have to trust that 3.3uF for the tweeter generates the right transfer function to meld seamlessly with the mid-woofer.
    orangeart likes this.
  3. James

    James Lord of the Erg\o/s

    I'd just like to remind those sourcing their own drivers that Scan-speak has a few 15W variants. The correct one for the E-IX is 15W/8530-K01. It is the one with the small magnet.
  4. JimmyB

    JimmyB pfm Member

    That's sort of what I was thinking with my earlier post to James about a floorstander version using a parasitic bass enclosure as in the Rega Alya.

    Goodness knows how I'd model the lower box and port though. Wish I'd done the Acoustic Engineering course at Uni....
  5. Mike Hanson

    Mike Hanson Lovely!

    Name : Mike Hanson
    Forum Name: Mike Hanson
    Cabinet kit : Yes
    Drivers : Yes, provided shipping isn't stupidly expensive
    Crossover components : Yes
    Crossover build and test : Yes/maybe
    Cabinet/full build : No
    Country: Canada
  6. James

    James Lord of the Erg\o/s

    There can only be one outcome supplementing a sealed 2nd order loudspeaker system with a ported 4th order bass unit, and it's not a good one. I can only encourage you to reconsider, or at the very least if you must try, have a way of disconnecting the latter. The E-IX has a balance of bass quality and quantity that belies its homegrown roots and diminutive size.
  7. Jeff Anderson

    Jeff Anderson pfm Member

    Still used multiple hours daily, extended more during lockdown and retirement. Just passed 11 years since they arrived. Still pristine condition excepting the postal service caused 1/4" slightly flattened rear corner on one. Currently used with a Peachtree Nova 150 amp/dac. Hope you are doing well, James.
  8. JimmyB

    JimmyB pfm Member

    Yup, think I'll leave that to the Alya's and if I ever manage to build a pair of Ergo's I'll just extend them to the ground with an 'integrated stand' and use it to house the crossovers.
    Last edited: Jun 22, 2020
    James likes this.
  9. James

    James Lord of the Erg\o/s

    Has it really been 11 years?! I’m glad they are in daily use, Jeff. Long may they continue to give you musical joy. I’m doing well, thanks.
    Jeff Anderson likes this.
  10. Joel Burt

    Joel Burt pfm Member

    I would like the freestanding version. The drivers can be sourced in the US, correct?
    I am in sunny California
  11. orangeart

    orangeart KJF Audio Ltd.

    Hi Joel, they can, however you might find it works out just as cheap by the time we take into account any discount I can get.
  12. Joel Burt

    Joel Burt pfm Member

    OK, then let's got for the whole kit with drivers. and a grill (if possible)
  13. cutting42

    cutting42 Arrived at B4 Hacker Erg \o/

    I am a sucker for James cabs

    Name : Gareth Cutting
    Forum Name: cutting42
    Cabinet kit : no
    Drivers : yes
    Crossover components : Yes
    Crossover build and test : no
    Cabinet/full build : No
    Location UK
  14. James

    James Lord of the Erg\o/s


    I'm tempted to build another pair for myself, but with the wall-mount XO and in-line driver array. I think there's enough Sapele left in my stash and all the XO components I need. Stefan, how much will it cost to ship a set of drivers to me in New Zealand?
    Jeff Anderson likes this.
  15. cutting42

    cutting42 Arrived at B4 Hacker Erg \o/

    That's a good point, I was going to use them in my office which needs a wall mount. Is the XO very different? Should I pull out of the XO GB?

    Edit, I see that it is for the wall mount version, carry on.
  16. MartinC

    MartinC pfm Member

    Hi All,

    I have Ergo's but am interested in the freestanding XO, so:

    Name : Martin Carrington
    Forum Name: MartinC
    Cabinet kit : no
    Drivers : no
    Crossover components : Yes (Free standing)
    Crossover build and test : no (But yes to circuit board if available)
    Cabinet/full build : No
    Location USA

  17. hc25036

    hc25036 pfm Member

    I make that 10 or 11 expressions of interest. Good job!!
  18. orangeart

    orangeart KJF Audio Ltd.

    Right all. Sorry for not getting prices sorted yet, this week has been a bit crazy. I'll try to get to this later today. If not, I'll do it on Monday, I promise.

    Mike Hanson and vinylspin like this.
  19. Logic800

    Logic800 New Member

    Name : Richard Swan
    Forum Name: Logic800
    Cabinet kit : No
    Drivers : Yes
    Crossover components : Yes
    Crossover build and test : No
    Cabinet/full build : No
    Country: UK
  20. orangeart

    orangeart KJF Audio Ltd.

    Good afternoon all, sorry this took a while, it takes ages going through all the trade price lists from all the manufacturers.

    Cabinet wise, these normally work out at £281.95 plus VAT for a flat pack pair including damping material, rear panel binding posts (Jantzen gold plated high quality jobbies), Van Damme OFC HiFi speaker cable, all the screws, bolts and threaded inserts you need and some neoprene gasket for the rear baffle. I’m not including glue in the kits cost because some of you are overseas and it’s a prohibited item. I can do that separately though if needed. I can get the price for this down to £240 plus VAT assuming everyone on the list that wanted one goes ahead. For those who want built cabinets I can do that for £100 plus VAT

    The drivers and crossovers I am going to withdraw from, actually Falcon have got the drivers down to about 10% markup over the factory pricing so by even if I sold them to you guys for the same price they have them for, I'd be making a loss by the time I fannied around and packaged them up etc. Similarly with the caps, coil and resistors, being low value items there is only pennies in it once I have packed everything up and sent it out. You are best going to HiFi collective for these. I feel I have led you down the garden path a little with this, normally there is at least 25% mark up on drivers so it's doable. I'm not quite sure why Falcon have got such little mark up at the moment but I'd get these while they've got them if I were you.
    Mike Hanson and cutting42 like this.

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