*** Desk and Room Gallery***

[ShinOBIWAN]

Shot to show the makeup of the midrange enclosure section. Going from the outmost layer to the innermost you can see first the 9mm and 18mm MDF then the 2mm lead, 2mm bitumen, 10mm acoustic foam and finally the large foam wedges that sit in the path of the rear wave coming from the driver.

Finally a completed mid/bass enclosure.

 

[ShinOBIWAN]

Mid/bass baffle construction

Rear portion of baffle lamination:

Shot showing the front(driver end) and rear baffle laminations:

Gluing the two together:

Front and rear attached:

Making the recess detail. Note the fence used to guide the router along the line.

Using a homemade circle jig to do the half moon.

Sand and trim the corners where the router couldn't reach.

Then test fit

Cutting the facet details in the baffle using a sliding compound mitre saw:

An almost complete baffle. You can clearly see how the laminations are arranged when looking at the facets that have been cut:

 

[ShinOBIWAN]

Finally all the joints that were showing on the facets are veneered ready for spraying onto. This is a mid/bass baffle completed.

Shots of the bare MDF completed cabinet.

Here's some random finishing shots. Note that they went through a couple of different colours before I was happy.

This is shot looking at the reflection in the gloss black:

 

[MoNkEyMiKeY]

How much does one of those speakers weigh?

 

[ChoÞÞer]

that is awesome, you should make a project thread insted of doing it in here

 

[ShinOBIWAN]

Shot of the drivers:

And a couple of the finished article.

 

[ShinOBIWAN]

And the amps, which are also DIY.

The speakers need 10 channels of amplification as they are an active 3.5way design utilising 5 drivers per speaker.

 

[ShinOBIWAN]

And here's the measured performance of the speakers using digital FIR crossover filtering, driver time alignment, drivers linearisation and room correction. That probably sounds like a load of gibberish but it really another way of saying the loudspeakers have been made as accurate as possible.

Frequency Response showing +0.5dB / -1dB (1/24th octave smoothing)

Overall view individual driver responses and overall response (1/24th octave smoothing). Note that measurement is only valid from 200hz up as bass measurement was omitted.

Step response at the listening position:

CSD showing decay behaviour at the listening position within the 1st second after signal excitation.

Without bass traps and digital driver/room correction:

With bass traps and digital driver/room correction:

 

[ShinOBIWAN]

And as a special treat, here's a **** take showing me spray one of the baffles of the speakers:

http://www.mediafire.com/?0l25cynnizl

Enjoy the cheese.

 

[ShinOBIWAN]

that is awesome, you should make a project thread insted of doing it in here

I think your right. Just cluttered up the thread now. If one of the mods can move to the correct section it'd be much appreciated.

 

[Things change I've changed]

Jesus ******* christ that's crazyyyyyyyyy !!!!!!!!!!!!, is that a dual toroidal transformer you got in that amp, looks lush, do you do commission work ?.

 

[ShinOBIWAN]

How much does one of those speakers weigh?

140kg for one complete speaker, although it breaks up into 3 section to make it manageable for 2 people to move around.

 

[G|mp]

Needs its own thread all that does dude

 

[ShinOBIWAN]

Jesus ******* christ that's crazyyyyyyyyy !!!!!!!!!!!!, is that a dual toroidal transformer you got in that amp, looks lush, do you do commission work ?.

There's four toroids in each 4 channel amp as its an all mono block construction ie. 4 amp modules, 4 power supplies and 4 transformers.

LOL @ the commission work. Sadly not, between the job and the other more boring bits of life I only have so much hobby time and that's all taken up by projects like these.

 

[bigredshark]

Do you (or have you thought of) selling them. I presume it took a fair while to build them up but at that kind of profit even if you only made a couple of sets a year it'd be a tidy profit...

 

[Things change I've changed]

Do you (or have you thought of) selling them. I presume it took a fair while to build them up but at that kind of profit even if you only made a couple of sets a year it'd be a tidy profit...

well like he said before I've seen speakers like that go for 20k+ depending on the drivers used of course.

 

[ShinOBIWAN]

well like he said before I've seen speakers like that go for 20k+ depending on the drivers used of course.

Drivers are from Audiotechnology in Denmark and RAAL in Serbia. The 5" and 8" drivers were all custom built to my own specifications, this allows them to perfect optimally in the cabinet and operating bandwidth I've chosen for them. Both RAAL and Audiotechnology manufacture some of the best drivers in the world. I started the project as a no hold barred attempt at a loudspeaker. I made no compromises, nor took any short cuts or cost cutting.

Here's another pair of speakers I built:

These ones I sold on before building the others. So when I get fed up or think I've learnt enough to build another, better pair then I do sell them on.

 

[V F]

That is seriously wicked. Though I'm getting a Dalek's/Stonehenge type of feel now.

 

[wellibob]

Is Davros inside them speakers ?

 

[mrk]

You make some serious money making and selling these ^_^