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Dual 12+ HF

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toastyghost View Drop Down
The 10,000 Points Club
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Joined: 09 January 2007
Location: Manchester
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Points: 10920
Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2022 at 4:57pm
I thought the whole point of the UMIK-1 was that it’s supplied as factory calibrated for SPL? It should really be recalibrated each time there’s a change in temperature, humidity or elevation, but as a rough guide the factory calibration should suffice.

I was always under the impression that it’s marketed as a trade off for only being able to do single channel measurements with it.

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smitske96 View Drop Down
Young Croc
Young Croc


Joined: 16 February 2016
Location: The Netherlands
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smitske96 Quote  Post ReplyReply Direct Link To This Post Posted: 23 January 2024 at 12:52pm
An update regarding this project:

The V2 version has been sold eventually. I have designed a smaller version with the allocation V3, but it has several changes.

-Smaller rear volume
-Smaller frontal area
-"half circle" slots same as V1 to maximise hornlength in its footprinth
-Higher tuning compared to the 75Hz of the V2, eventhough it has less rearchamber volume it should raise sensitivity a bit from >100Hz and up.
-Handles etc.
-15mm birch ply with some 12mm bracing
-Dependent on driver, optimised phase plugs 
-Bigger hatch for easier acces to the drivers
-Space for amp module like the Powersoft 4HC/HV with heatsink medium

I currently have it cnc'ed as a flatpack and unfortunately will not be going further with the project. Its just to much expense for using it maybe once or twice a year. I rather spend the money on some R&D for smaller loudspeakers etc. May someone be interested in a flatpack kit with all corresponding M10 mounts, flyware etc, pm :)


Edited by smitske96 - 23 January 2024 at 12:55pm
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hectorberman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hectorberman Quote  Post ReplyReply Direct Link To This Post Posted: 23 January 2024 at 5:41pm
One of my favourite build/development threads. Sad to see this project end!
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smitske96 View Drop Down
Young Croc
Young Croc


Joined: 16 February 2016
Location: The Netherlands
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smitske96 Quote  Post ReplyReply Direct Link To This Post Posted: 23 January 2024 at 8:41pm
Originally posted by hectorberman hectorberman wrote:

One of my favourite build/development threads. Sad to see this project end!


Who knows what the future holds? Wink
Still enough planned in the future and will surely post some developements here on SP!
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