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  1. Thread: Drew Clues system

    by A9X
    Replies
    29
    Views
    21,459

    Also being an Aussie, I feel for you in trying to...

    Also being an Aussie, I feel for you in trying to secure some of the parts. However, as designed the DC system is overkill for any sort of domestic situation and more suited to a small commercial...
  2. Replies
    3
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    3,563

    Thanks for that. I always ensure plenty of...

    Thanks for that.

    I always ensure plenty of baffle thickness after recessing to give strength anyway. You answered my badly worded question with the inner and outer dimensions for the rout that I...
  3. Replies
    3
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    3,563

    123A physical dimensions

    Hi guys, I've been offered a pair of nice 123A, but won't get to see them for a while. I was considering them for a project to utilise some of the other JBL drivers I have laying about.

    I did a...
  4. Replies
    14
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    11,056

    Interesting combination and almost identical to...

    Interesting combination and almost identical to the first idea I had for the surrounds in my system. I built a rough mock up of it some time ago using a pair of old PA bass cabs, some small...
  5. Thread: 2205 w/2225 recone

    by A9X
    Replies
    6
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    6,375

    That's good to know. I picked up what I thought...

    That's good to know. I picked up what I thought was a 2220H in a blind sale, but it has a ribbed cone similar to my 2225's and has 2225 in white pencil on the back of the cone. I didn't see it...
  6. If you are happy to EQ, and an F3 of near 40Hz...

    If you are happy to EQ, and an F3 of near 40Hz (more than enough for most music), then 55L net, ported with 2 x 8.6cm ports gives an un-equalised response like so.
    ...
  7. Thread: True Subbass

    by A9X
    Replies
    60
    Views
    59,786

    I have glanced at it and will give it a thorough...

    I have glanced at it and will give it a thorough read over the w/e when I have time. Perhaps your fourth quoted sentence above will also apply to you? We will see.

    I am not much of the fanboi...
  8. Thread: True Subbass

    by A9X
    Replies
    60
    Views
    59,786

    As the thread was asking about sub-bass, I...

    As the thread was asking about sub-bass, I presumed it meant to deal in the area below 80Hz or so.

    Volume displacement determines LF output at a given frequency: the X18 is 33mm one way Xmax, the...
  9. Thread: True Subbass

    by A9X
    Replies
    60
    Views
    59,786

    Why limit yourself to JBL drivers? For subs a...

    Why limit yourself to JBL drivers? For subs a Maelstrom X18 will eat any of the 224x series or a 2235.

    I am looking forward to the "analysis" of Danley's 'rubbish' TH paper. I have found Tom to be...
  10. Can you find the specs for them? If so there are...

    Can you find the specs for them? If so there are others such as CSS, AE and Peerless that make 12" PR's that might be able to substitute in. Otherwise with driver T/S and box volumes, then some time...
  11. Replies
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    13,894

    Unless you are dead cert on using the K140, I...

    Unless you are dead cert on using the K140, I would look at greenboy's fEARFUL designs on Talkbass with a 3015LF and a 6ND410.
    http://www.talkbass.com/forum/showthread.php?t=508659...
  12. Replies
    209
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    222,131

    Damn, I spent a day drawing up an enclosure for...

    Damn, I spent a day drawing up an enclosure for my AE 15's to sit into the corner that is near identical, a fraction wider to accommodate the slightly wider driver and the Unity horn. I wish I'd seen...
  13. Replies
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    23,778

    The original Lambdas had TAD 2001 or B&C DE25...

    The original Lambdas had TAD 2001 or B&C DE25 (what mine have). The current Synergy's use the 4553 and other BMS from all I have read.
  14. Replies
    91
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    276,245

    The connection between the LF and HF drivers?...

    The connection between the LF and HF drivers? Yes, otherwise when you connect both amps they will be short circuited by each others outputs and may be damaged.

    Don't spend money on another amp to...
  15. Replies
    8
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    8,956

    C-C distance is far too wide and you'll get comb...

    C-C distance is far too wide and you'll get comb filtering.
  16. Replies
    209
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    222,131

    Tell me about it. I simply have the best...

    Tell me about it.

    I simply have the best mains I can and use then for both 2ch and HT. If I want to use some tube amps to power them for example, I unplug the AVR and use the audio via a...
  17. Thread: Painting Frames

    by A9X
    Replies
    5
    Views
    4,812

    That's a great idea, and one that had completely...

    That's a great idea, and one that had completely slipped my mind - reversible too.. This is one of the reasons I post on forums as I get great ideas from others.

    Almost all the parts are on hand,...
  18. Thread: Painting Frames

    by A9X
    Replies
    5
    Views
    4,812

    Cheers. I usually wouldn't bother but they will...

    Cheers. I usually wouldn't bother but they will stand out and look odd otherwise.
  19. Thread: Painting Frames

    by A9X
    Replies
    5
    Views
    4,812

    Painting Frames

    As the designs slowly move towards actual physical items, it occurred to me that some of the JBL drivers I have, eg 2123, have exposed aluminium on the frames when mounted. This will look odd with...
  20. Replies
    16
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    15,520

    They look good. This may well be the path for me...

    They look good. This may well be the path for me to take as I can actually do it.
  21. Replies
    16
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    15,520

    Yank, was this for a pair of domestic speakers?...

    Yank, was this for a pair of domestic speakers? Pics?

    I'm a bit "woodwork challenged" and need to build some large boxes and thought this sort of finish might make it easier than trying to get it...
  22. Replies
    16
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    12,096

    Rollers should make no difference if they are up...

    Rollers should make no difference if they are up to the task of supporting the speaker, don't allow it to rock because of tolerances in the axles or bearings. The height difference may be noted if it...
  23. Thread: Why You chose JBL

    by A9X
    Replies
    64
    Views
    40,790

    I've never been a real fan of specific brands,...

    I've never been a real fan of specific brands, but I do like a lot of JBL product.
    I first heard a JBL speaker in a store (now closed) in York St, Sydney in the early 80's when I was wagging school...
  24. Replies
    13
    Views
    7,573

    As you asked about a midrange, something like a...

    As you asked about a midrange, something like a 2123 would fit nicely in between an 18 and a 1" CD.
  25. Replies
    13
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    11,692

    Some suggestions....

    Some suggestions.
    http://www.troelsgravesen.dk/JBL_L100.htm
    http://www.troelsgravesen.dk/download/IBL.pdf
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