First time speaker build

GO-NAD!

GO-NAD!

Audioholic Spartan
Well if that is the course the OP is talking about, then the course is misnamed. It is a sound production course.

Further, designing and building a speaker does not fit the description if what is required for the major project for the final year of that course.

So I remain puzzled and concerned about the original post and its intent.

If this is a genuine student request for assistance with a class project for credit and required for course completion, the student should explore and prepare the ground before posting. Certainly not start with "I don't have a clue." That is just going too far in my view and beyond the pale.
I don't know if that is the exact course of study the OP is following, it was just the first result I came up with. If it is an accurate description of what she is studying, perhaps she just wants to broaden her horizons beyond the boundaries of her courses.

After re-reading her post, I now have to wonder if it's a wise decision on her part, if it isn't a core part of her field of study. So, I certainly won't argue with your final paragraph.
 
Alex2507

Alex2507

Audioholic Slumlord
Really? Why?:confused:
He's half your age, man! These Autumn/Spring romances never work out. Eventually he will leave you for a boy his own age and you will be left crying tears into your pillow. GO-NAD!, for your own sake, forget young adwilk. :D
 
highfigh

highfigh

Seriously, I have no life.
I'm not sure there's any reason to assume she should know the principals behind building a speaker, based on the name of the program. 'Sound Design Technology' isn't 'Audio Engineering', 'Acoustical Engineering' or 'Electro-Mechanical Engineering' and really, just using the word 'technology' in the name of the course shouldn't imply a full engineering background.
 
lsiberian

lsiberian

Audioholic Overlord
Well if that is the course the OP is talking about, then the course is misnamed. It is a sound production course.

Further, designing and building a speaker does not fit the description if what is required for the major project for the final year of that course.

So I remain puzzled and concerned about the original post and its intent.

If this is a genuine student request for assistance with a class project for credit and required for course completion, the student should explore and prepare the ground before posting. Certainly not start with "I don't have a clue." That is just going too far in my view and beyond the pale.
I think it's a fantastic semester project, but for a senior project I'd think it is too easy. I still think it would be a good thing for any sound person to do. It's not really super hard to make a decent speaker if a person takes good advice.
 
highfigh

highfigh

Seriously, I have no life.
I think it's a fantastic semester project, but for a senior project I'd think it is too easy. I still think it would be a good thing for any sound person to do. It's not really super hard to make a decent speaker if a person takes good advice.
I don't know- a home speaker is OK for a semester project but for someone who will possibly be running FOH sound, whatever the size, I think it would be better to design a speaker system for a chosen venue size with power amp requirements, type of array, area of coverage, frequency response and average SPL as some of the main criteria. If they plan to work in recording studios, they should be learning to make informed decisions on how/why to choose the best monitor for the application, whether large, or near-field. Many of the most-used monitors are chosen for their ability to reveal problems in the recording, rather than for their ability to provide a pleasant listening experience. The Yamaha NS-10 is a good example- most hate to listen to them but it's the most-used, small near-field monitor around.
 
GO-NAD!

GO-NAD!

Audioholic Spartan
He's half your age, man! These Autumn/Spring romances never work out. Eventually he will leave you for a boy his own age and you will be left crying tears into your pillow. GO-NAD!, for your own sake, forget young adwilk. :D
?:confused:?!!

I'm really not following....

Please post a video of yourself using sock puppets and interpretive dance to explain just WTF you are on about. ;)
 
highfigh

highfigh

Seriously, I have no life.
?:confused:?!!

I'm really not following....

Please post a video of yourself using sock puppets and interpretive dance to explain just WTF you are on about. ;)
What's wrong with stick figures?
 
S

shedevil86

Audiophyte
You are at University studying sound design technology in your final year and you don't know where to start designing and building a loudspeaker?

I find something very troubling about this situation.

Please enlighten me on your syllabus of your course work.

I suggest you do not use a kit and learn the principles involved. I'm ready and prepared to thrash them into you if your professors can't or won't.
We've not looked at this sort of stuff just how sound works and things like recording writing music etc, only 5 speakers have been built at my uni and none by girls i want to do something that we dont do day in day out, and most the students do an album so i want to stand out. I understand the principles of sound and how it works but not the electrical/speaker side.
I wouldnt be allowed to use a kit i have to design it all my self.

to reproduce down to 20 hz or is 80hz good i think will be enough.
budget i have no idea, not to much ( i am a student after all lol) depending if i can get some funding from my uni ( which i have the past couple yrs so fingers crossed) prob up to £600/£700 if i cant then around £500ish.

University of Hertfordshire
Sound Design Technology BSc Hons
I don't see any mention of loudspeaker design in there. I don't know if that's the same, or similar to what she's studying, but I don't think it's her fault if it's not part of the course content.
This is the uni im at and the course im on.
As i said we havent covered this and I want to push myself and do more.

No its not in the description of the course but have been told we've been given free reign of what we do. my friend last year built a head for a guitar amp.

Im only looking for advice of where to start, not much else, ok i could have phrased it better but have problems finding the best/ right way of saying things/ asking for help
 
TLS Guy

TLS Guy

Seriously, I have no life.
We've not looked at this sort of stuff just how sound works and things like recording writing music etc, only 5 speakers have been built at my uni and none by girls i want to do something that we dont do day in day out, and most the students do an album so i want to stand out. I understand the principles of sound and how it works but not the electrical/speaker side.
I wouldnt be allowed to use a kit i have to design it all my self.

to reproduce down to 20 hz or is 80hz good i think will be enough.
budget i have no idea, not to much ( i am a student after all lol) depending if i can get some funding from my uni ( which i have the past couple yrs so fingers crossed) prob up to £600/£700 if i cant then around £500ish.



This is the uni im at and the course im on.
As i said we havent covered this and I want to push myself and do more.

No its not in the description of the course but have been told we've been given free reign of what we do. my friend last year built a head for a guitar amp.

Im only looking for advice of where to start, not much else, ok i could have phrased it better but have problems finding the best/ right way of saying things/ asking for help
Unfortunately your course is really a sound production course and not a sound system design course.

Designing and building a speaker is a highly complex task and teaching you how to accomplish without other resources is beyond the scope of a forum like this.

What we can do is point you to reading materials and suppliers.

So as with any course of study at university, there is a list of required reading material.

However to build a speaker also requires a definite set of skills. Access to computer programs especially in the designing of a crossover (the heart of the speaker) is pretty much essential.

Before encouraging you on this course of action, I need to ask you about your skill set.

Are you at least a competent carpenter and cabinet maker? Do you own or have access to a at least a skill saw and preferably a tale saw, a jig saw, a router, drills and bits, a variety of hammers, cabinet clamps and sanders? Those are some but by no means a comprehensive list of the tools required.

Can you solder? Can you understand and read electronic circuits? You will need at least an understanding of the function of inductors, capacitors and resistors.

Last but not least: - what is the time period for this project?

Take a look at this UK site.

I have reviewed this site and consider it a reasonable place to start your study. I particularly endorse their reading list.

They recommend Maplin Stores as a source of components. Maplin stores do not have loudspeaker drivers of the quality I would want to use, considering the time and effort that goes into a speaker.

The best source I know of in the UK for drivers and crossover parts, is Wilmslow Audio, who have been in business for a very long time.

The biggest problem with Wilmslow is that they don't always provide links to the manufacturers data bases. However you can get this by going to the manufacturers data base yourself. If you do this you can get the mechanical and electrical data on the drivers as well as acoustic data.

I would stick to European driver manufacturers as their data can be trusted.

I would specifically recommend SEAS, Vifa, Peerless, Scanspeak and Volt.

If you decide to do this project as part of your course work, doubtless questions will arise and you will require guidance on quite a number of issues,

If you do not have a faculty staff member who can be your adviser for this project, I am prepared to assume this role. Obviously it would be unethical for me to do your project for you. That is why you can not use a kit or take another authors design, that would be plagiarism. In a case like this the design and build must be yours.

Intelligently and properly framed questions posted here will be answered promptly. You are also welcome to use the personal message system of this site.
 
S

shedevil86

Audiophyte
I have access to all those tools as my dad has them, i've not build a cabinet before but have done some wood work and repaired bookcases and stuff.

I know its not in the course but its advised to do something different if you can handle it.

I've already got 2 books the sound reinforcement hand book and design and build your own live sound speakers. my dads also got another book but not sure where that is atm.
I can solder, got access to lots of computer programs such as matlab.\

I've got till the end of april/ may to do this so 8 - 9 months.

thanks
 
TLS Guy

TLS Guy

Seriously, I have no life.
I have access to all those tools as my dad has them, i've not build a cabinet before but have done some wood work and repaired bookcases and stuff.

I know its not in the course but its advised to do something different if you can handle it.

I've already got 2 books the sound reinforcement hand book and design and build your own live sound speakers. my dads also got another book but not sure where that is atm.
I can solder, got access to lots of computer programs such as matlab.\

I've got till the end of april/ may to do this so 8 - 9 months.

thanks
Armed with that information, these now becomes a feasible project and a very realistic time scale.

I would start by reading the Loudspeaker design Cookbook, by Vance Dickerson. I would get this done as soon as possible and we will take it from there.

What purpose to you want the speakers to fulfill? If it sound reinforcement you are will be over budget. If this is course related, at your stated budget, we are probably limited to good near filed monitors, or domestic speakers.
 
S

shedevil86

Audiophyte
ok cool, I'll have to get that book.
would building a pair of speakers be harder than a single one?
 
TLS Guy

TLS Guy

Seriously, I have no life.
ok cool, I'll have to get that book.
would building a pair of speakers be harder than a single one?
The design work is the same, but obviously the build is longer as every step is done twice.

However a single speaker is of little use, unless it is a center channel speaker for home theater or Cinema, and then you need to design and build at least the left and right speakers and a sub.

Since two channel sound bust on the scene in 1958 we are just not used to evaluating one speaker any more. So yes, you need to build a minimum of two speakers to have any sort of worthwhile project.
 
highfigh

highfigh

Seriously, I have no life.
It has to be entirely her design, or she will get booted for plagiarism.
Not if she gives credit to the designer. Also, she could always take one of his designs and reverse-engineer it, explaining why he did what he did and make changes to the original design with documentation regarding the effects of said changes.
 
S

shedevil86

Audiophyte
hmm I'm not sure about that, need to check with my tutors but dont go back to uni till the 30th sept.
 
j_garcia

j_garcia

Audioholic Jedi
The Loudspeaker Design Cookbook is an excellent resource and it is both technical yet easy to read.
 

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