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  1. Replies
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    Vandersteen and Gryphon have speakers with CC'd...

    Vandersteen and Gryphon have speakers with CC'd networks.
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    Kenrick will make you charge couple networks if...

    Kenrick will make you charge couple networks if you are willing to pay for it. Given they use the upper range of Jantzen's and Mundorfs the cost to make them would be insane, even by Kenrick's...
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    You need to find out the value of the components...

    You need to find out the value of the components on the cards. Those values will correspond to a frequency and slope within the user manual.
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    My main goal was to sweep the horns in identical...

    My main goal was to sweep the horns in identical settings to confirm that they were both measuring close to one another. I understand this may not be the best way to get a realistic FR sweep but...
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    I use a MiniDsp UMIK and REW. The mic comes with...

    I use a MiniDsp UMIK and REW. The mic comes with a calibration file specific to it. I think the consistency of my sweeps is an indicator they are somewhat useful.

    Filters are identical.
    ...
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    Thank you very much for the responses guys. I...

    Thank you very much for the responses guys. I attacked it this morning after with a fresh mind and had a slight improvement.

    I cleaned the gap again, shuffled the shims and I found only one...
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    Bloody hell I have no idea whats going on. ...

    Bloody hell I have no idea whats going on.

    Noticed one of the diaphragms buzzing this afternoon. Measured the driver and its back to shit again? WTF!!!!

    Can anyone advise what exactly the...
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    Mate they look absolutely mint. I can't believe...

    Mate they look absolutely mint. I can't believe how much better they look with the baffle veneered. Well done.
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    Going through old posts I can see a few members...

    Going through old posts I can see a few members mention balancing the HF and LF sections by measuring with an SPL meter.

    Can someone please detail what the process is?
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    Up and running. Everything works as it should....

    Up and running. Everything works as it should. Will do some system measurements tomorrow and dial them in via the l-pads.

    I do believe in capacitor burn-in and they sounded a little closed in for...
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    Nearly ready to go. 84342

    Nearly ready to go.

    84342
  12. Replies
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    I shimmed the diaphragm with some sticky tape....

    I shimmed the diaphragm with some sticky tape. Also there was a bit of debris in phase plug slit.
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    Had a bit of a play and this is where I'm at. I...

    Had a bit of a play and this is where I'm at. I did try to keep the microphone to driver distance the same but they may have been out by a few cm here and there. I think this result is good enough?...
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    I am getting the impression that most believe it...

    I am getting the impression that most believe it is the diaphragm that is faulty more then the installation. I am happy enough to spend time playing with shims with the hopes that proper alignment...
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    I should have mentioned. I have built Giskards...

    I should have mentioned. I have built Giskards charge coupled networks for my 4350's. The 2440 doesn't reach the now required 10k.
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    Thanks for the time you are taking to reply. Its...

    Thanks for the time you are taking to reply. Its appreciated.

    I will have a go at shimming and apply varying amounts of torque to the screws. Strange that changing the sequential pattern for the...
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    Also how do you determine if you should...

    Also how do you determine if you should add/remove a shim?
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    That is quite upsetting to hear. Do you think the...

    That is quite upsetting to hear. Do you think the poor response is indicative of the diaphragm being worn out or damaged? I was hoping my lack of knowledge installing the diaphragms was to blame.
    ...
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    Thanks for the reply mate. I noticed on the...

    Thanks for the reply mate.

    I noticed on the 375 diaphragms that came out of the drivers they had shims underneath the plastic ring. Could the lack of shims on the "bad" diaphragm cause this kind...
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    Is the response of the "good" 2441 diaphragm what...

    Is the response of the "good" 2441 diaphragm what you can expect of this driver functioning properly?

    Just checked and I can't change the delineation of the sweeps.
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    Could the uneven response of the diaphragm be a...

    Could the uneven response of the diaphragm be a result of the coil rubbing somewhere?
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    Also on the sweeps which show both drivers I used...

    Also on the sweeps which show both drivers I used the "Separate" Function in REW. There is not a drop in output between the diaphragms.
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    Just a follow up. I ended measuring the drivers...

    Just a follow up. I ended measuring the drivers still within the passive networks. I just wanted to confirm that both the diaphragms measured fairly closely. Sweeps were taken within the drivers...
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    Measuring compression drivers. Questions.

    Hi

    This weekend I will be installing a "lightly used" pair of 2441 diaphragms into my 4350 system. Once installed I would like to measure the CD's to ensure the diaphragms and the drivers are good...
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    Ended up buying this "lightly used" pair of...

    Ended up buying this "lightly used" pair of diaphragms. Pic's are not the best but the seller assured me they are in good condition. Do any of the numbers on the side of the phragms indicate a...
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