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mhb 46 + mt 130

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1 mhb 46 + mt 130 le Jeu 14 Nov 2013 - 18:22

Freackk

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Since i will have many questions about the cabs i am building, i decided to start a new topic, so people annoyed by my contineous questions can simply ignore them. But i will be very glad for any help i get.
Sorry for being completely ignorant...
So my first question regarding the mhb 46: What about the "the box 18-500" as a small budget speaker to start with? Will there be any problem?



Dernière édition par Freackk le Ven 15 Nov 2013 - 16:59, édité 1 fois

2 Re: mhb 46 + mt 130 le Jeu 14 Nov 2013 - 18:29

Freackk

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These are the technical specifications for the 18-500:

Diameter.........................................: 18” (460 mm)
Impedance .....................................: 8 Ω
Rated power...................................: 500 W RMS
Peak power ...................................: 2000 W
Sensitivity (1W/1m) ........................: 97 dB ± 2 dB
Min. resonance frequency .............: 40 Hz ± 4 Hz
Frequency response ......................: 40 Hz – 3.0 kHz
Diameter of voice coil ....................: 99.3 mm
Material of voice coil ......................: round copper wire
Framework material of voice coil ...: TIL
Height of voice coil ........................: 21.8 mm
Depth of magnet ............................: 11 mm
Flux density ...................................: 1.06 T

3 Re: mhb 46 + mt 130 le Ven 15 Nov 2013 - 13:41

Chris Kazvon

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Hi,

here is a quick simulation with this speaker.

Note that this may have some small mistakes, as I couldn't find the right Sd (radiation surface).
So I took the same as the LF18G401.

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4 Re: mhb 46 + mt 130 le Ven 15 Nov 2013 - 14:50

Skope

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No one notice that the MHB-46 & the MHB-4818 don't work together ?

They use the same frequencies Wink 

5 Re: mhb 46 + mt 130 le Ven 15 Nov 2013 - 15:30

Chris Kazvon

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indeed, I hadn't noticed the title Embarassed 


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6 Re: mhb 46 + mt 130 le Ven 15 Nov 2013 - 16:46

LIAMDJ

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+1 Skope, Freackk you have to make a choise between the MHB46 and the MH4818 ! You coudl'nt work with 2 different design on the same frequencies...

7 Re: mhb 46 + mt 130 le Ven 15 Nov 2013 - 17:11

Freackk

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I warned you guys, I'm a noob... Embarassed 
I am only capable of doing the woodwork well since I am a kind of "half carpenter", but I don't know anything about the audio ingeenering.
Anyway, thanks for the aswers. I will go for the mhb 46 then. The simulation seems not so bad to me. Not very deep bass, but for starting and with that price..?

8 Re: mhb 46 + mt 130 le Dim 19 Jan 2014 - 16:27

Freackk

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Hi again,
I have now finally put together the money and materials i need to start with. I still have one question about the construction of the cabs:
Do i need to put screws in it or will a good gluework do the job?
Please consider that I am a quite good woodworker and when I build furniture i never use screws... but usually the cupboards that i normally build don't have 18" woofers pounding inside  Very Happy 

9 Re: mhb 46 + mt 130 le Dim 19 Jan 2014 - 16:59

Chris Kazvon

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Hi Smile

I'd put screws. To my mind it makes the whole thing much simpler.
Given the dimensions of the cabinets, if you have to keep constant pressure for several hours so that the glue "glues", screws help Razz


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10 Re: mhb 46 + mt 130 le Dim 19 Jan 2014 - 17:03

Drikx

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Hello Freackk,
the best is to use scews and glue like this:
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(sorry it's a link to a french website)

11 Re: mhb 46 + mt 130 le Dim 19 Jan 2014 - 18:20

Freackk

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Thanks guys!
Everything clear about the chice for the right glue.
But sorry I haven't fully understand your post, Chris Kazvon...
Do you mean using the screws to hold the cab together during construction and than taking them out or completely leaving them inside to increase stability?

I thought to use what we italians call "lamelle", i think "lamellos" is the english definition.

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12 Re: mhb 46 + mt 130 le Dim 19 Jan 2014 - 18:27

Chris Kazvon

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I meant leaving the screws inside Wink

the "lamellos" and the screws seem to be complementary


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13 Re: mhb 46 + mt 130 le Lun 20 Jan 2014 - 20:57

Freackk

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Ok, thank you Chris  Very Happy 
I think I will try to built with the lamellos... if everything goes well, in 3-4 weeks I can upload the pics of my first selfbuilt cabs, would like to know what you guys think about it!

14 Re: mhb 46 + mt 130 le Lun 20 Jan 2014 - 21:03

Chris Kazvon

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Nice Smile

can't wait to see the pics Smile


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15 Re: mhb 46 + mt 130 le Dim 27 Avr 2014 - 21:54

Freackk

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hi Chris :)i took very long to have an opportunity to build the caps since i moved away from my hometown and will stay away until summer... but last weekend i finished the cabs (and didn't only use lamellos reconsidering size & weight, but also screws... a lot of screws) :Dhere is a foto (very bad one, but i had only my cellphone with me) the paint & finish will be done when i return home, prob. july  Rolling Eyes 


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16 Re: mhb 46 + mt 130 le Dim 27 Avr 2014 - 22:03

Chris Kazvon

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Hi Smile

Nice work !

The shape inside the horn reminds me of this one Wink

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17 Re: mhb 46 + mt 130 le Lun 28 Avr 2014 - 0:49

Freackk

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thanks man  Smile indeed, i see you have a loooooong eye... i saw this pictures and was very impressed by the look, and decided to go in that design-direction  alien hope it deosn't looks like a complete rip-off... my problem is that i really wanted to paint from the very beginning my cabs black&green, but with this design it would really look similar, even if i have a completely different paintwork in mind, with lesser green...  Wink 

18 Re: mhb 46 + mt 130 le Lun 28 Avr 2014 - 11:33

Chris Kazvon

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Wink

I have a photographic memory  Razz Razz Razz 

hope it deosn't looks like a complete rip-off

I think that as long as you assume to have been inspired by an already existing design, there's no problem Wink

for the color, how about black cabinet with yellow insert ?  drunken 

I had seen those colors on a ESW 1018, can't find the picture, but it looked awesome !


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19 Re: mhb 46 + mt 130 le Lun 28 Avr 2014 - 12:34

RIKOIDB


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MHB46 in black and yellow

20 Re: mhb 46 + mt 130 le Lun 28 Avr 2014 - 12:44

Chris Kazvon

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but without the shape of the insert  Razz 

I think there are not many colors configurations that have not already been used, so just do as you like Smile


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21 Re: mhb 46 + mt 130 le Lun 28 Avr 2014 - 23:58

Freackk

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yeah... i think i will stick with green/black, i like green and wouldn't paint my cabs with something other than "warnex black"... Smile the design should look like that:

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22 Re: mhb 46 + mt 130 le Mar 29 Avr 2014 - 0:03

Chris Kazvon

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Nice Smile Smile


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