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Thread: Does anyone know anything about IMAX speakers?

  1. #46
    Senior Member Woofer's Avatar
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    Quote Originally Posted by yrrab07 View Post
    Hi George,

    Thanks for the suggestion of splitting them up! I am a bit surprised to hear the subs go for so little considering the boxes alone had to cost hundreds to build. The Hi's are driven by a TAD TD2001 with an 8" mid is pushing the larger horn.

    Barry
    Yes I know, Barry, but nothing makes sense anymore....

    http://www.ebay.com/itm/18-inch-Imax...36bb17d&_uhb=1

    Got it for the initial opening bid of $AU$350.
    Sadly, you can get more for a pair of TAD's (on their own) than what you can get for the complete pair of boxes.

    George.
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  2. #47
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    Imax amplifiers

    Hi woof,

    Would like to see some pics of those amps when you get them.
    Mine are all AB International and perform very good.
    Grtngs;
    Jorre-Belgium

  3. #48
    Senior Member Woofer's Avatar
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    Here's the pair of them, Sonics 800x, (although in reality, a pair of Bryston 7B, as confirmed by the good people at Bryston, - g'day Mike ), on the floor with a little 2x 12AU7 pre-amp running them, before I changed one to stereo. (that's a 240V to 110 V stepdown transformer next to them in case anyone is curious).




    .... now they're on top of my sub (for a while), and all hooked up to stuff.



    .... and this is what one looks like inside.



    .... and here is its very plain back panel (module). Just an In and an Out, and Speaker O/P's.




    So for now, I've got the stereo one connected to a pair JBL 4313B's, and the mono block one connected to my JBL B380, using the BX63A as a x-over, and the 12AU7 thingie as a pre-amp, fed from an old AMC DAC being fed by my iMac.

    Sounds pretty good.....
    .... and whole thing's as quiet as a mouse. No loops or buzzes or anything.

    I'm giving this whole IMAX thing a bit of a rest, so I thought I'd fiddle with the amps for a while.
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  4. #49
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    Imax amplifiers

    Hello George;

    Thanks for posting the pics.
    The amps look well made;did you drive them into a dummy load and what about cooling?
    Grtngs Johan.

  5. #50
    Senior Member Woofer's Avatar
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    Quote Originally Posted by Jorre Pulle View Post
    Hello George;

    Thanks for posting the pics.
    The amps look well made;did you drive them into a dummy load and what about cooling?
    Grtngs Johan.
    No Johan, no dummy loads.
    Just hooked it up, turned it on and let it 'fly'.
    It has adequate heat sinks along the sides, (no fan) and after running all day, only got slightly warm.

    BTW, someone just sold one of these in Florida for only $135 last week! Funny what a difference a badge makes.
    If it had Bryston on it, it would have sold for $1000+

    George.
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  6. #51
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    re Sonics 600x 3way active crossover

    Hi there
    I actually have the matching Bryston/Sonics 600x power amps with sonics 3way active crossover modules fitted
    the amp section looks very similar to the 5b-st 3 channel power amp I can upload some pics if you like? I have six in total 5 working and 1 with bulging caps.
    I bought 18 of these amps 12x 800x's and 6x 600x's ( sold a few 800x's)
    I'also trying to find out the crossover points on the xover module.
    what little I do know is that the 600x is a three channel amp with only 2 sets of speaker terminal outs one is H/F other is M/H and a balance mono L/F out that goes to another power amp to deal with the bass side of things. the mid output is bridged so i guess its outputting 250 watt for mid and 120 watt for H/F.

    I'm hoping that once I know the xover points I will use 2 800xs and 2 600x's for some diy speaker project

    If I can help in any way let me know cheers
    Last edited by jasonski73; 06-16-2013 at 10:52 PM. Reason: mistake

  7. #52
    Senior Member Woofer's Avatar
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    A most valuable addition to the thread.
    Thank you so much for your input.
    Yes, photos are always most welcome.

    It's all coming together slowly, but surely.

    (ps: the x-o points seem to be 80Hz, 800Hz, and 7KHz. Check post #4)
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  8. #53
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    Re Piccy's

    Here's the pictures of the 600x internals etc
    you can see the large dual pcb which is the crossover board .. enjoy
    Attached Images Attached Images      

  9. #54
    Senior Member Woofer's Avatar
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    Thank you, thank you, thank you Jason.
    Your efforts are extremely appreciated.

    George.

    BTW: Schematics and manuals are available from Bryston archived section, here:
    http://bryston.com/pages/technical.html
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  10. #55
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    My AB International 713A Amps

    Hello there;

    Here some pics to feed the topic.
    Grtngs;
    Johan
    Attached Images Attached Images   

  11. #56
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    Quote Originally Posted by jasonski73 View Post
    Hi there
    I actually have the matching Bryston/Sonics 600x power amps with sonics 3way active crossover modules fitted
    the amp section looks very similar to the 5b-st 3 channel power amp I can upload some pics if you like? I have six in total 5 working and 1 with bulging caps.
    I bought 18 of these amps 12x 800x's and 6x 600x's ( sold a few 800x's)
    I'also trying to find out the crossover points on the xover module.
    what little I do know is that the 600x is a three channel amp with only 2 sets of speaker terminal outs one is H/F other is M/H and a balance mono L/F out that goes to another power amp to deal with the bass side of things. the mid output is bridged so i guess its outputting 250 watt for mid and 120 watt for H/F.

    I'm hoping that once I know the xover points I will use 2 800xs and 2 600x's for some diy speaker project

    If I can help in any way let me know cheers
    Jason!

    Do you have any spares for sale?

    I'm desperate to buy some!

    Thanks

    John

  12. #57
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    Programming of Oxmoor Deq-1 equalizers

    Hello to all,

    I am still looking for the Pa-422 interface to program my 6 Imax equalizers from Oxmoor.
    It can be done via buttons on the internal Pcb,but with that Interface the job can be done with a laptop and the Oxmoor software.
    So if someone has a spare Interface please let me know.

    Grtngs;
    Johan

  13. #58
    Senior Member Woofer's Avatar
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    Nice pictures Johan.

    Big difference between the Sonics 800x/600x's and the AB's. No such luxury with the Sonics. Not a dip switch in sight.

    Re: Oxmoors, I only have a single DEQ-1 (same as yours by the sound of it), but I'd be interested in getting another one.
    Don't know what happened to the rest, but there was only one in the pile by the time I got to it.
    It's a good thing they can be set internally, otherwise they'd be unusable otherwise.

    Message to John:

    I'm not quite sure of what you mean with your request for spares.
    If you're talking 'spare' amplifiers, then be careful when buying a Sonics 800x/600x. Some, like mine, do not have dual voltage capability, even though they were used in an Australian IMAX theatre, (we're 240V), and I've had to resort to using Step-down transformers, (240V to 110V).
    Just thought I'd mention it.

    Anyway, off to bed.....
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

  14. #59
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    Quote Originally Posted by Woofer View Post
    Nice pictures Johan.

    Big difference between the Sonics 800x/600x's and the AB's. No such luxury with the Sonics. Not a dip switch in sight.

    Re: Oxmoors, I only have a single DEQ-1 (same as yours by the sound of it), but I'd be interested in getting another one.
    Don't know what happened to the rest, but there was only one in the pile by the time I got to it.
    It's a good thing they can be set internally, otherwise they'd be unusable otherwise.

    Message to John:

    I'm not quite sure of what you mean with your request for spares.
    If you're talking 'spare' amplifiers, then be careful when buying a Sonics 800x/600x. Some, like mine, do not have dual voltage capability, even though they were used in an Australian IMAX theatre, (we're 240V), and I've had to resort to using Step-down transformers, (240V to 110V).
    Just thought I'd mention it.

    Anyway, off to bed.....
    Thanks woofer

    Yup, I was aware of that issue. There was a European version I think with 240v but I'll take anything I can get my hands on. Using a transformer doesnt worry me as long as it doesnt affect sound quality?

    Yeah, I'd love to get my hands on an 800x if someone has got one? Does anyone know what equivalent Bryston model the 600x are? I think they are a three channel? Any of the Bryston experts know?

    Thanks

    John

  15. #60
    Senior Member Woofer's Avatar
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    John,

    The 600x is the 5B.
    ... and yes, they are a 3 channel, but two of them are bridged.

    Woof.
    I might be deaf, but I can still hear da bells! (Quasimodo)
    .... Oh, and the Kick Drum.

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