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jason str

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Posts posted by jason str


  1. Had a neighbor who worked for Panasonic named Ron who was one of the designers for Technics, really into music and sound systems much like many on the forum here. Ron was always telling me never to buy anything audio related to Panasonic as the management was always short changing the designs aimed at the company's bottom line rather than getting the best sound out and longevity of the designs.

     

    This was 30 + years ago, things have probably changed since then for better or worse.

     

     

     

     


  2. On 4/19/2019 at 8:55 PM, M_Klipsch said:

    I’ve built speaker stands, odds & ends with the 1/2” MDF. Seemed the same as 3/4” stuff. It’s a perfectly adequate material, like I said I just hate the dust & weight, mostly the dust. Plus it’s just, inelegant. However, it is listed as an acceptable material in the plans.  And is definitely “cost effective”.

     

    Many of my plans are older from when i was one of the BFM authorized builders witch plans have probably been updated to include MDF.

     

    I just avoid it personally as the only advantage is that its a bit smoother surface for veneering.


  3. 19 hours ago, M_Klipsch said:

    Yes. Width is variable. This one is 12”, I should have gone wider, but as I had to have the Baltic Birch shipped, the economical choice was 12”W. Plus it was planned to fit a certain location. Even with the smaller size, the output is quite impressive.

     

    The only advantage to using Baltic Birch is its less prone to damage than softer materials such as moving them around often for pro sound use.

     

    I suggest on the next build you consider using Auraco plywood and building the cabinet as wide as possible to get as much as you can out of the designs.

     

    Your build looks nice by the way and I'm sure after building this first one you realize the design is so well thought out you really don't need to spend as much on material or drivers to get dam good performance out of them.


  4. 11 hours ago, mikebse2a3 said:

     

    The way I see it any cabin gain available will be applied regardless of which type system is used (ie: sealed, ported, or horn systems) and they all can take advantage of it.

     

    miketn

     

    Ported subs will have a steeper roll off than sealed models. Ported horns included.


  5. 1 hour ago, Chief bonehead said:

    thats interesting....since the 1802 was developed for cinema use for......wait for it.....movies.  i have never seen a sealed sub used in cinema.  wonder why?

     

     

    Sealed subs work better in small rooms because they take advantage of cabin gain to fill in the lower octave.

     

    Cinema's or movie theaters are too large to take advantage of any cabin gain thus making them a poor choice.

     

     

    • Like 1

  6. 7 minutes ago, SWL said:

    I guess my question is.......is the air at high volumes a 'leak' or is it just the tweeter diaphragm pulsating air because it's such a loud volume?

    My guess is the latter.

    Sent from my SM-G950U using Tapatalk
     

     

    Play a 30 Hz test tone through the mains and it will give you your answer.


  7. Make sure there is nothing blocking the gasket from sealing like sawdust from one of the screw holes ETC...

     

    For the gasket to work you need smooth surfaces on both sides, that or something is warped or damaged on the mating surfaces. You may be able to get by using a thicker gasket to compensate for that.

    • Like 1

  8. On 4/4/2019 at 8:44 PM, HDBRbuilder said:

    Risers were never part of the cut sheet, per se...they took panels that had something minor wrong with them and ripped them into riser parts.  For example some live-wood in walnut which looks kinda creamy in color (which was ripped out)...or a bad glue line where the book-match of the veneers met on a box panel...things like that.

     

    Makes sense to use up scrap material where you can, i used mine for bracing normally.


  9. 2 hours ago, rplace said:

     

     

     

    Just curious because I've been looking at a pair of their MBM with 18" drivers for use in a 2-way active set up. Can the proper protection be addressed with an active EQ (I would think so) over what is described on their site? My thinking is that as long as the frequencies that could be an issue don't get there all is well, right?

     

    A high pass filter is best.


  10. On 3/30/2019 at 8:58 AM, Westcoastdrums said:

    It absolutely does. What if I was to tell you I am using no EQ on the sub and no HPF (shhh don't tell John from GSG that part).  It has all the headroom I need, even if I want to get ridiculous occasionally.   

     

    He will know if it was abused from over excursion, the high pass filter should be used to protect your investment.

     

     

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