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SEAS KingRO4Y MK.III, Инструкция по сборке

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Fig 4: Vertical Dispersion Sonogram and select polar plots

 

Содержание KingRO4Y MK.III

Страница 1: ...tion of the mid drive unit and tweeter allows for co location in time improving phase coherence and reducing effects such as vertical lobing which can occur with non co located units Handily housing mid and tweeter in the same basket also allows for a tidily compact and unobtrusive cabinet in terms of the given output Both the tweeter dome and midrange membrane are made of an aluminium magnesium a...

Страница 2: ...second order 0 7Q high pass filter set to 17Hz this is a protect for the driver so it does not reach excursion limits for sub sonic frequencies in some recordings There is a fair amount of EQ on the sub since the cabinet is very small for the size of driver The most prominent EQ points are a low shelf at 53Hz and a low peak at 27Hz these serve to maximise the frequency response in the low end exte...

Страница 3: ...e and with the crossover tuning to try and make sure that the off axis effects of the coaxial loading are minimised this can be seen by the minimal crossing of the data series in this graph As can be seen in the figure somewhere around 15 degrees gives the smoothest response this can be considered when placing the speakers in room Frequency Hz 100 1 000 10 000 SPL dB 10 5 0 5 10 15 20 25 30 35 40 ...

Страница 4: ...4 Fig 3 Horizontal Dispersion Sonogram and select polar plots ...

Страница 5: ...5 Fig 4 Vertical Dispersion Sonogram and select polar plots ...

Страница 6: ...SP Presets Fig 5 The measurements shown in this figure show the frequency response of the different presets included with the kit details can be seen in the legend These presets can provide a starting point for adventurous DIY ers or can be used as supplied with careful placement of the cabinets Tips and alternatives o If tweaking with DSP stay under 9dB gain in the DSP filters to avoid digital cl...

Страница 7: ...t is important to remember that when rebating all the internal bracing must be adjusted in size wherever it is to be inserted into a rebate joint leaving again between 0 5mm and 1mm for glue To recess the drive units and amplifier plate a minimum of a router is required otherwise a jigsaw can be used to cut the basic mounting hole When routing the cut out s inner and outer diameters it is necessar...

Страница 8: ...he picture above the four pin socket on the larger section of the amplifier is the 2x500W output red black is channel one and blue grey is channel two The tweeter output 100W is the two pin slot on the smaller PCB towards the top of the amplifier plate red black which is channel three Once you are confident that the cable lengths for the amplifiers and drivers are sufficient it is necessary to sea...

Страница 9: ...9 ...

Страница 10: ...te the firmware file you downloaded and select Note you will have to update the firmware on both amplifiers The presets can be downloaded from http www seas no images stories diykits KingRO4Y_MK III KingRO4Y_MKIII_Presets zip Once the presets are downloaded they can be uploaded to each amplifier individually In HFD click the Filter Design button this will open a new HUD display for the DSP process...

Страница 11: ...dware for reference Once you have loaded the presets in the software you will then need to upload the presets to the amplifier to do this click Load filter to DSP then select Upload all presets Once this is done you can close the filter component design window and click on the Device settings button in the main HFD window ...

Страница 12: ... are options for adding a limiter input gain settings amplifier configuration etc The settings in the figure below can be copied for ease but you may want to customise some of the power settings Please note that you should select left or right for the corresponding speaker in Digital Audio Channel Select of this window There is a limiter in place which can be seen in the figure below to activate t...

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