Custom made crossover PCB - Made in Vietnam !

Guy 13 · « **Reply #20 on:** 27 Mar 2011, 02:20 am »

Quote from: HAL on 25 Mar 2011, 09:50 pm

It looks like from the layout of the inductors there is some possibility of crosstalk between them as they are all in the same plane.

You might want to try some of the hints in Danny's XO build thread to minimize inductor interaction.

http://www.audiocircle.com/index.php?topic=83325.0

Hi HAL and all Audio Circle members.
I will looking more closely into that possible problem...
Thanks for bringing that up.
Guy 13

Guy 13 · « **Reply #21 on:** 27 Mar 2011, 02:24 am »

Quote from: jn316 on 25 Mar 2011, 10:35 pm

I was wondering how long it would be before someone commented on that!
Yep, might want to redo that a little...good link HAL.

Hi jn316 and all young and old Audio Circle members.
I was expecting some comments on my PCB layout and...
Yes, it took some time, but there it is...
Maybne I did that PCB problematic layout on purpose, to keep all Audio Circle members awake... (LOL)
Guy 13

HAL · « **Reply #22 on:** 27 Mar 2011, 02:25 am »

Quote from: poseidonsvoice on 26 Mar 2011, 12:39 am

Of course, I don't know how much that will help, given that Danny as plain as day has a 'sticky' on his forum specifically for Crossover Assembly.

Lie down before you hurt yourself. At least it only cost $30. This picture should be a helpful tip:

And this link should be a review. Here is another helpful link.

Best,
Anand.

Anand,
I just posted the comment as a possible way to make an improvement. If folks look at this thread and see another XO layout that is different, at least the pointer to the sticky might be helpful.

No need to lie down, my blood pressure is fine!

HAL · « **Reply #23 on:** 27 Mar 2011, 02:26 am »

Guy,
Hope the comment helps!

Guy 13 · « **Reply #24 on:** 27 Mar 2011, 02:28 am »

Hi poseidonsvoice and all Audio Circle members.
Thanks for the info on the coils layout, I will do some modifications on my PCB.
I will post what I want to do, so that every Audio Circle members have the chance to speak up...
Guy 13

Guy 13 · « **Reply #25 on:** 27 Mar 2011, 02:37 am »

Quote from: dvenardos on 26 Mar 2011, 12:55 am

It looks like a pretty large pcb, there may be 20cm from center point to center point.

Hi dvenardos and all Audio Circle members.
With all the information above, for which I thank you all,
I now know that I can improve my PCB layout.
Find below hand sketches of what I intend to do next week, therefore any Audio Circle members that want to comment or suggest something different, please speak up or stay quiet forever... (LOL)

The above should answer many questions you have in mind.
If you have more concern and questions, please post them.
I will make the two smaller coils standing up.

Guy 13

Guy 13 · « **Reply #26 on:** 27 Mar 2011, 02:39 am »

Quote from: face on 26 Mar 2011, 02:05 pm

Point to point may not be as pretty, but it's better than using a PCB.

Hi
I also prefer the point to point wiring, however, I wanted to try one time this way of doing.
Guy 13

Guy 13 · « **Reply #27 on:** 27 Mar 2011, 02:45 am »

Quote from: poseidonsvoice on 26 Mar 2011, 10:58 pm

Indeed. And...cheaper than purchasing the PCB if you don't factor in your cost for DIYing. Besides, it's supposed to be fun right?

Anand.

Hi Anand and all Audio Circle members.

I had lots of fun doing this PCB.
Fun can have different figures...

Everything I do is fun, bceause it's filled with surprises, that my way of having fun, maybe not your way of having fun, but it's my type of fun.

Thanks God, not everybody on this planet is the same, that's what's making fun to stay on this planet, well, do we have choice to stay on another planet ?
Well not for now anyway...
Guy 13

HT cOz · « **Reply #28 on:** 27 Mar 2011, 02:56 am »

Guy

Keep up the great work it's nice to see some US products go in that direction.

Cheers

srb · « **Reply #29 on:** 27 Mar 2011, 03:07 am »

I would think as far as production goes, by having a masonite board made and drilled for a few coil ties and terminals versus fabricating a completely drilled PC board, you might only have to spend a few dollars more for the point-to-point finished product. I also wonder about possible effects of rather large power and ground planes on the PCB.

If you plan to offer finished speakers, don't take Danny's great designs and driver selection and Ruben's fantastic cabinets and compromise them with a crossover that's not as good as it could be. Besides, you would then be able to advertise "handcrafted point-to-point wired custom crossovers".

Steve

Guy 13 · « **Reply #30 on:** 27 Mar 2011, 09:08 am »

Quote from: srb on 27 Mar 2011, 03:07 am

I would think as far as production goes, by having a masonite board made and drilled for a few coil ties and terminals versus fabricating a completely drilled PC board, you might only have to spend a few dollars more for the point-to-point finished product. I also wonder about possible effects of rather large power and ground planes on the PCB.

If you plan to offer finished speakers, don't take Danny's great designs and driver selection and Ruben's fantastic cabinets and compromise them with a crossover that's not as good as it could be. Besides, you would then be able to advertise "handcrafted point-to-point wired custom crossovers".

Steve

Hi Steve and all Audio Circle members.
When I gave my instructions to the Vietnamese technician on what I wanted, I gave him a sample masonite board, but when he got back to me with the PCB, I guess he wanted to impress me and he custom made a PCB.

Masonite board and point to point wiring would have been cheaper than the PCB but now it's done, finished and agree or not, look better than a piece of board with soldered wires...

The crossover will be hidden somewhere in the enclosure, does it matter if it's a piece of wood with point to point wiring or a nice looking PCB ?

I don't think I am compromising anyone's design, the wiring was done as per Danny's diagram, the only difference is the PCB and I will fix the coils orientation.
I can do some minor cosmetic changes without compromising the original performances... Don't you think so Mr. the perfectionnist ? (LOL)

My future Audio 13 business will advertise Audio 13 tube amplifiers Made in USA by Blair at Nisteshade Audio with point to point wiring and speakers with Open Baffle H frame configuration and hi efficiency and Made in USA by Ruben. I think that should be enough to attract potential buyers.
Don't you think so Mr. By the Book ? (LOL)

After a short Vietnamese audio market suvey, I found out that no one is going to offer what I will offer. I will offer something different and exclusive, of course, until the Vietnamese start to copy me...

I will go by the book with a touch of originality.
Guy 13

poseidonsvoice · « **Reply #31 on:** 27 Mar 2011, 09:49 am »

Quote from: HAL on 27 Mar 2011, 02:25 am

Anand,
I just posted the comment as a possible way to make an improvement. If folks look at this thread and see another XO layout that is different, at least the pointer to the sticky might be helpful.

No need to lie down, my blood pressure is fine!

HAL,

I apologize in advance but my comment was directed at the OP, not you! I just used your quote as a stepping stone...Your links and advice are all correct and very relevant. Thankfully the OP is taking your advice which should improve the end result. I was concerned that he wouldn't be able to...even then the crossovers are going to be a PCB type but at least with properly oriented inductors...still, he needs as much info as possible because he tends confuse originality with innovation and in some areas of loudspeaker design/manufacture, that can result in a poorer product. To each his own peril.

Anand.

Guy 13 · « **Reply #32 on:** 27 Mar 2011, 09:55 am »

Quote from: poseidonsvoice on 27 Mar 2011, 09:49 am

HAL,

I apologize in advance but my comment was directed at the OP, not you! I just used your quote as a stepping stone...Your links and advice are all correct and very relevant. Thankfully the OP is taking your advice which should improve the end result. I was concerned that he wouldn't be able to...

Anand.

Hi Anand and all Audio Circle members.
Excuse my ignorance, but what is the meaning of OP ? ? ?
First time I see that abreviation.
Guy 13

Nick77 · « **Reply #33 on:** 27 Mar 2011, 10:11 am »

original poster

Guy 13 · « **Reply #34 on:** 28 Mar 2011, 03:34 am »

Quote from: Nick77 on 27 Mar 2011, 10:11 am

original poster

Hi Nick77 and all Audio Circle members.
Thanks for the info, tonight I will go to bed less ignorant, (LOL)
Guy 13

Guy 13 · « **Reply #35 on:** 30 Mar 2011, 08:53 am »

Hi all Audio Circle members.
I am back ! (That was fast... My middle name is speedy Gonzales)
I did what some Audio Circle members perfectionnists suggested.
See the results below.
Who said I always do things my own way?
I do listen to suggestions from more knowledgeable Audio Circle members, well not all the time, but often...
The two smallers coils of my N3TL PCB are now standing up, however, they are still a little too close to the main coil, but I am certainly not gona scrap those two beautifull looking PCB Made in Vietnam.
Guy 13

Danny Richie · « **Reply #36 on:** 30 Mar 2011, 04:00 pm »

Okay, you are getting closer.

However now your two smaller coils are just like the example number 2 in the posted graph. They are facing the same way and are pretty close.

Rotate each of them so that they are in different planes from each other. So twist them both to where if they were to roll then they would each roll right into the larger inductor. Then turn them slightly more than that to make sure that their planes are at more of a right angle to each other.

See examples here: http://www.audiocircle.com/index.php?topic=83325.0

Danny Richie · « **Reply #37 on:** 30 Mar 2011, 04:01 pm »

To make that even easier, take the smallest coil and rotate it 90 degrees and you're there.

Guy 13 · « **Reply #38 on:** 2 Apr 2011, 09:23 am »

Hi Danny and all Audio Circle members.
Now, is this better or does the coils need to be re-oriented again ?
Guy 13

dvenardos · « **Reply #39 on:** 2 Apr 2011, 11:41 pm »

Quote from: Guy 13 on 2 Apr 2011, 09:23 am

Hi Danny and all Audio Circle members.
Now, is this better or does the coils need to be re-oriented again ?
Guy 13

I am no expert, but this looks better to me.