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-   -   The Boominator - another stab at the ultimate party machine (https://www.diyaudio.com/forums/class-d/104402-boominator-stab-ultimate-party-machine.html)

MorbidFractal 8th August 2019 12:02 PM

Quote:

Originally Posted by horst303 (https://www.diyaudio.com/forums/class-d/104402-boominator-stab-ultimate-party-machine-post5876504.html#post5876504)
Ever looked at a voice coil? specifically the size of the wire? it'll be in the region of 0.05mm˛. Any hookup wire that you use will be thicker than that, and 0.75mm˛ is overkill. the problem with thick wires is that they are heavy and any movement when you carry the speaker will be translated as stress to the joint.


I would not wish to become involved in a Holy War but this is a bit like comparing apples to pears, voice coil wire to hook up wire.

Sorry to mix units but 8 inches of thick wire being heavy compared to a bunch of batteries. Like whut?

As to terminations. If you are soldering directly to speaker terminals pick some wire with a conductor diameter half the width of the terminal and get it on with a meaty soldering iron.

Don't forget to sleeve and support the joint with heatshrink, the type with internal glue, over terminal and extended an inch up the insulation. Then tie-wrap the cables as they exit to the speaker cage. Isolate and dress them for lack of buzz.

evilgrin 3rd September 2019 02:31 AM

I've been lurking on this thread off and on now for the last several years, I finally find my self in a position to attempt to build myself one of these Boominators yet I am finding it extremely difficult to locate the Drivers needed for the build in the US . I have found a useful bit of info in the Boominator Digest unfortunately sourcing the drivers is proving to be quite difficult. Have there been any updates to the driver selection in the last 2 years or so? Or is this simply a matter of being too late to the party?

Shortrope 9th October 2019 04:15 PM

Minidsp settings??
 
This is a long shot but does anyone out there have Minidsp settings for a Boominator?
I've just accidentally wiped the Minidsp and I can't find the original file that Saturnus sent me years ago.
I trying to get it ready for the XR demos in Dublin and I don't have time to start from scratch again.

Turbowatch2 9th October 2019 04:19 PM

If you have a measuring mic, you should be able to do a better file in 2 hours, using Arta, REW or else.
If you match the box to the kind of room you are going to show it in, you might have a winner.
The basic file will only be what it is, basic.

Shortrope 9th October 2019 04:23 PM

Quote:

Originally Posted by Turbowatch2 (https://www.diyaudio.com/forums/class-d/104402-boominator-stab-ultimate-party-machine-post5939180.html#post5939180)
If you have a measuring mic, you should be able to do a better file in 2 hours, using Arta, REW or else.
If you match the box to the kind of room you are going to show it in, you might have a winner.
The basic file will only be what it is, basic.

Thanks man... yeah I could do that I just don't have the time.
Saturnus emailed me the settings for my setup years ago and I was just hoping someone else had them also.

lutkeveld 9th October 2019 07:02 PM

From my notes:

Tweeter:
Gain: -5.2dB
HP 2302.21hz BW 18dB/oct (must be butterworth or bessel. Cannot be 12 or 24dB/oct)
LP 21120.0hz peaking LR 12dB/oct +4dB peak gain (if it does not have peaking LR filter then make it by having EQ +3dB@20khz)

Woofer:
Gain: 0dB
HP: 63.2132hz LR 48dB/oct
LP: 2171.62hz LR 24dB/oct

aterren 9th October 2019 10:25 PM

Which version drivers do you have?

aterren 10th October 2019 02:19 AM

There is a discussion here:
https://www.diyaudio.com/forums/clas...ml#post2660657

Shortrope 10th October 2019 06:26 AM

Quote:

Originally Posted by aterren (https://www.diyaudio.com/forums/class-d/104402-boominator-stab-ultimate-party-machine-post5939483.html#post5939483)
Which version drivers do you have?

HP10s and PHT-407s.

Shortrope 10th October 2019 06:27 AM

Quote:

Originally Posted by lutkeveld (https://www.diyaudio.com/forums/class-d/104402-boominator-stab-ultimate-party-machine-post5939323.html#post5939323)
From my notes:

Tweeter:
Gain: -5.2dB
HP 2302.21hz BW 18dB/oct (must be butterworth or bessel. Cannot be 12 or 24dB/oct)
LP 21120.0hz peaking LR 12dB/oct +4dB peak gain (if it does not have peaking LR filter then make it by having EQ +3dB@20khz)

Woofer:
Gain: 0dB
HP: 63.2132hz LR 48dB/oct
LP: 2171.62hz LR 24dB/oct

That's a great help...thanks a mill!


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