Author Topic: Speaker DIY'ers  (Read 306522 times)

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Offline jerix

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Re: Speaker DIY'ers
« Reply #30 on: Jun 23, 2004 at 02:35 PM »
hehe!- mahabang pag-aaral pa pala ang kelangan ko-- :-\ anyway bro jojo thnks for the advise -  ;D
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Offline JojoD818

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Re: Speaker DIY'ers
« Reply #31 on: Jun 23, 2004 at 10:51 PM »
hehe!- mahabang pag-aaral pa pala ang kelangan ko-- :-\ anyway bro jojo thnks for the advise -  ;D

Hindi naman mahirap yun, bka lang kasi masira yun speakers mo kung wala ka clear idea on what's going on. Better safe than sorry diba?

O ayan, my tip ka na! Fisshhh tayo sir!

Offline jerix

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Re: Speaker DIY'ers
« Reply #32 on: Jun 24, 2004 at 08:06 AM »
when i opened the speaker kasi, i just saw capacitors connected to the speakers.. what i have in mind is that, if i change the capacitors the sound may also change-- so im planning to experiment thats why m askin some basic considerations, like what will a capacitor with higher or lower value brings about? maybe something like those things--  :)
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Offline john5479

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Re: Speaker DIY'ers
« Reply #33 on: Jun 24, 2004 at 08:20 AM »
when i opened the speaker kasi, i just saw capacitors connected to the speakers.. what i have in mind is that, if i change the capacitors the sound may also change-- so im planning to experiment thats why m askin some basic considerations, like what will a capacitor with higher or lower value brings about? maybe something like those things--  :)

it will change the crossover settings and will cause the tweeters/woofers of your speaker to play freq. that may be higher or lower than what they can do before distortion. If you have a schematic of the crossover and know the freq. ranges of your tweeters and drivers, then it is easier to tweak it and make changes  to the capacitor / inductor :)

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #34 on: Jun 24, 2004 at 10:57 AM »
Exactly what I was saying...

Offline av_phile1

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Re: Speaker DIY'ers
« Reply #35 on: Jun 24, 2004 at 11:34 AM »
Here's a site that calculates the values for the variables for a 2-way crossover in each type of  filter network configuration:

http://www.carstereo.com/help/Articles.cfm?id=3

Scroll down the page to get to the linked calculators
« Last Edit: Jun 24, 2004 at 11:36 AM by av_phile1 »

Offline edboy7

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Re: Speaker DIY'ers
« Reply #36 on: Jun 24, 2004 at 01:30 PM »
hello guys, i hav ample electronics know how but i wud to make also a diy powered sub :) ...the inexpensive route ika nga and most of all it would a learning experince for me ;)...anyway this would be my specs..
gainclone amp...my good friend S2kov told me to order some chips from TI coz its free
has variable fliter sana maybe from 40z-120hz..mahirap ba ito? can someone pls help me with the circui for this?
ill be also using 2 8" speakers....talikuran sila....front firing
and for the box and 10 by 10 lang sana like a power cube...tnx
« Last Edit: Jun 24, 2004 at 01:38 PM by edboy7 »

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #37 on: Jun 24, 2004 at 05:37 PM »
hello guys, i hav ample electronics know how but i wud to make also a diy powered sub :) ...the inexpensive route ika nga and most of all it would a learning experince for me ;)...anyway this would be my specs..
gainclone amp...my good friend S2kov told me to order some chips from TI coz its free
has variable fliter sana maybe from 40z-120hz..mahirap ba ito? can someone pls help me with the circui for this?
ill be also using 2 8" speakers....talikuran sila....front firing
and for the box and 10 by 10 lang sana like a power cube...tnx

If you can post a simple drawing of your box so that we can get a better idea on what you mean then probably we can work it out. As for the gainclone amp, that section I'm sure a lot of guys can help you.

Offline edboy7

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Re: Speaker DIY'ers
« Reply #38 on: Jun 25, 2004 at 03:17 PM »
thanks boss jojo, its like a box 10" x 10"( i have a small place) i prefer non-ported. :)

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #39 on: Jul 05, 2004 at 11:11 PM »
Here's a picture of my latest HT setup, except the sub is laying down now instead of up on it's side.
http://www.alegriaaudio.com/LatestHTview.htm

I like the cat  ;D. A WOW! setup indeed.

Offline timn8ter

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Re: Speaker DIY'ers
« Reply #40 on: Jul 09, 2004 at 07:47 AM »
Thanks. Here's some more on the subwoofer.
http://www.timn8er.com/vented_tempest.htm

I also helped organize a DIY Meet this year.
http://www.timn8er.com/pictures_from_nwwa_diy_audio_mee.htm
« Last Edit: Dec 29, 2004 at 08:19 AM by timn8ter »

Offline jerix

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Re: Speaker DIY'ers
« Reply #41 on: Jul 09, 2004 at 08:34 AM »
tim,

ung mga pinagsawaan mong speakers jan, padala mo na lang sa akin hehehe! --  ;D well, post some more very inspriring photos -  :D
« Last Edit: Jul 09, 2004 at 01:09 PM by jerix »
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Offline timn8ter

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Re: Speaker DIY'ers
« Reply #42 on: Jul 09, 2004 at 10:37 AM »
 ;D
I love all my speakers and enjoy swapping them around. It keeps the music fresh! I think I will keep them for a while longer.  ;)
« Last Edit: Jul 09, 2004 at 10:38 AM by timn8ter »

Offline timn8ter

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Re: Speaker DIY'ers
« Reply #43 on: Jul 09, 2004 at 11:13 AM »
This is a picture of my latest project. This is a two-way system using Tangband W4-657SC and 25-302S drivers. Still a prototype in an unfinished cabinet. You can see the Alpha-Core foil inductor sitting on top.
http://www.timn8er.com/Stereo.htm
« Last Edit: Dec 29, 2004 at 08:20 AM by timn8ter »

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #44 on: Jul 13, 2004 at 02:04 PM »
A passive notch filter I built for a pair of "Ike's Voigt"  ;D ;D ;D.


Offline timn8ter

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Re: Speaker DIY'ers
« Reply #45 on: Jul 13, 2004 at 08:57 PM »
Wow! Very clean! Where did you get the plactic boxes with standoffs?

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #46 on: Jul 13, 2004 at 09:09 PM »
Wow! Very clean! Where did you get the plactic boxes with standoffs?

Hi TIm,

Those are sold locally... I had to snip some of those stand-offs though.  ;D


Offline iceman90a

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Re: Speaker DIY'ers
« Reply #47 on: Jul 13, 2004 at 09:18 PM »
what are those for? pardon my ignorance
money is best spent

Offline john5479

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Re: Speaker DIY'ers
« Reply #48 on: Jul 13, 2004 at 09:20 PM »
what are those for? pardon my ignorance

notch filters, these are used to smooth out some frequency bumps but may reduce the sensitivity of the speakers. btw jojod where did u buy them (plastic boxes) ? might use them as well for my speaker project >:D
« Last Edit: Jul 13, 2004 at 09:33 PM by john5479 »

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #49 on: Jul 13, 2004 at 09:37 PM »
what are those for? pardon my ignorance

john has answered that. the sensitivity of the unwanted peaks are the ones affected.

this gizmo should prevent excessive ringing of single driver speaker systems due to the peaks in the driver response curve.  ;)
« Last Edit: Jul 13, 2004 at 09:38 PM by JojoD818 »

Offline Handyman

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Re: Speaker DIY'ers
« Reply #50 on: Jul 15, 2004 at 02:13 PM »
Sir JojoD818,

Galing mo sir...Pwede ba magpaturo.. :)
« Last Edit: Jul 15, 2004 at 02:13 PM by Handyman »

Offline JojoD818

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Re: Speaker DIY'ers
« Reply #51 on: Jul 15, 2004 at 04:14 PM »
Sir JojoD818,

Galing mo sir...Pwede ba magpaturo.. :)

Sorry sir may bayad pag tutorial eh.  ;D ;D ;D Basta ba alam ko yun sagot eh bakit hindi, pag hindi ko alam sagot sasabihin ko naman eh.  ;D

Peace!

Offline vircor

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Re: Speaker DIY'ers
« Reply #52 on: Jul 31, 2004 at 02:16 PM »
Hello guys!  ;D

Request naman mga bro, sana mag-feature naman ang mga DIY gurus natin dyan ng DIY speaker projects or kahit isa lang muna preferably floorstanding 3-way type. Paki-include na rin yung mga drivers' specs/size and the baffle dimension para naman matesting gawin.

Thanks in advance for the generosity!  :) ;)

Offline timn8ter

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Re: Speaker DIY'ers
« Reply #53 on: Jul 31, 2004 at 09:33 PM »
...and here's my latest, latest project.
http://www.timn8er.com/alegria_audio_bptl.htm
« Last Edit: Dec 11, 2004 at 11:43 PM by timn8ter »

Offline Gino

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Xover
« Reply #54 on: Aug 01, 2004 at 10:04 AM »
Pwede ba pagawa ng passive for my sub? 40hz lowpass, 12db slope. Or lower mg 48hz, with 24db slope.  I am pumping just 100w into my speaker. OK sakin yung clear case na yan.

Please email me at [email protected]

Offline JojoD818

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Re: Xover
« Reply #55 on: Aug 01, 2004 at 10:48 AM »
Pwede ba pagawa ng passive for my sub? 40hz lowpass, 12db slope. Or lower mg 48hz, with 24db slope.  I am pumping just 100w into my speaker. OK sakin yung clear case na yan.

Please email me at [email protected]

Sir pwede yan pero di na air core yun choke, meron na iron core to increase inductance, while having the lowest insertion loss as possible.

Offline tuff_u_gong

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Re: Speaker DIY'ers
« Reply #56 on: Aug 03, 2004 at 06:51 AM »
sorry if i missed the posts answering it but where can we buy filters and crossovers
here in manila? am interested in a two-way driver configuration (8-inch paper cone driver + no-ferro fluid tweeter). are these crossovers easy to modify/tweak with better parts (e.g. capacitors)?

how about efficient (high impedance) bass drivers and tweeters? what are the best locally available brands? any danish brands (vifa, seas, lpg) available?

thanks!

Offline av_phile1

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Re: Speaker DIY'ers
« Reply #57 on: Aug 03, 2004 at 04:40 PM »
Almost all the electronic shops I've seen sell crossover networks and drivers.  I think You can find more of them at those shops along Raon St like in Deeco.   I recall seeing some at the Audiophile store at Mega a few years back. 

Offline tuff_u_gong

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Re: Speaker DIY'ers
« Reply #58 on: Aug 03, 2004 at 06:37 PM »
Almost all the electronic shops I've seen sell crossover networks and drivers.  I think You can find more of them at those shops along Raon St like in Deeco.   I recall seeing some at the Audiophile store at Mega a few years back. 

will check them out. thanks!

Offline JojoD818

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Re: Xover
« Reply #59 on: Aug 04, 2004 at 09:19 PM »
Pwede ba pagawa ng passive for my sub? 40hz lowpass, 12db slope. Or lower mg 48hz, with 24db slope.  I am pumping just 100w into my speaker. OK sakin yung clear case na yan.

Please email me at [email protected]

Sir, all parts accounted for.  ;) Only tedious part is winding the coil and designing the pcb. Other than that, it's a walk in the park.  :)