Hi all.
I want to know how to build tone control that have bass and treble control.Example bass control have frequency selector from 10hz to 100hz and booster level. Same with treble have selector 1khz to 10khz. Need help from you all.Thanks
I want to know how to build tone control that have bass and treble control.Example bass control have frequency selector from 10hz to 100hz and booster level. Same with treble have selector 1khz to 10khz. Need help from you all.Thanks
I built one with 3 band tone control, kinda shelving Eq.
Bass frequency range = 30Hz to 500Hz
Mid frequency range = 500 Hz to 4kHz
High frequency range = 4kHz to >14kHz
All have independent gain controls.
Very easy, great sounding project.
Details here: http://www.diyaudio.com/forums/anal...nalogue-tone-control-audiophool-overkill.html
Original documentation: http://construyasuvideorockola.com/proyect_crossover_activo.php
Bass frequency range = 30Hz to 500Hz
Mid frequency range = 500 Hz to 4kHz
High frequency range = 4kHz to >14kHz
All have independent gain controls.
Very easy, great sounding project.
Details here: http://www.diyaudio.com/forums/anal...nalogue-tone-control-audiophool-overkill.html
Original documentation: http://construyasuvideorockola.com/proyect_crossover_activo.php
Sasek,
I'm afraid that
1) either you have not read my post in detail ( as I presume from the timestamps of your two successive posts) ,
2) or especially you have not seen the illustrations on my thread
3) or you are yet to know what a summing amplifier is.
The tone control module was in reality an active 3 way crossover with 3 outputs per channel.
But I used a summing amplifier to mix those output to obtain a high quality stereo output with the help of a summing amplifier.
The summing amplifier "combines" all the outputs.
Again I would advise you to read my thread in detail and try to understand what I have done actually.
I tried earnestly to provide the newcomer friendly exhaustive details in my thread with photos and 3d illustrations.
http://www.diyaudio.com/forums/anal...nalogue-tone-control-audiophool-overkill.html
Good luck.
Watch my video which shows the actual performance of this module or how it is being used in my system as a tone control.
The Ultimate 3 Band Equaliser Cum 3 Way Active Crossover Module - a Diy Audio Project - YouTube
The Ultimate 3 Band Equaliser Cum 3 Way Active Crossover Module - a Diy Audio Project - YouTube
Ohh I see . Now I understand function of summing amplifier.you combine 3 way crossover become one way crossover.that first time I know.thank scsom
Yes you can. But I am not very sure about the result. And that module has no variable frequency range control, that you wanted, as I remember.
I built Apex's 3 band tone control modules too. They are already very well balanced and an example of a great, effective and lovely DIY friendly design.
If you need too much bass enhancement that means your speaker enclosures are either improperly designed or simply not suitable for your specific listening environment.
Even a mere six inch woofer can produce thundering, room shattering bass response if the enclosure is properly tuned and designed.
In that case I would advise you to design a proper enclosure scientifically as per your listening room and your taste of music. You can get superb response only with apex's tone control module then.
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The summing amplifier is very easy and cheap to make.
But you can experiment for sure if you want more punch since you are into DIY audio.
Always test it with low volume. A prolonged very high gain of the sub-pre amp might damage your low wattage full range speakers.
You need to balance it carefully. Proceed with caution.
You can use TrueRTA to check out the over all balance of your system once the signals are summed up with your summing amp.
All the best.
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Now I have already build lm3886, hiraga, sr200 (apex), dxblame, stk4050, fidelity amp sj162, but I still not get best pre amp for this amp.The idea to make pre amp after I heard sound from nad av716.this receiver have low bass and deep sound.Thats why I think how to clone nnad quality
1. LM3886
2. hiraga
3. sr200 (apex)
4. dxblame
5. stk4050
6. fidelity amp sj162
7. nad av716.
These are all audio amplifiers or rather great sounding audio amplifiers.
But I am surprised that there is no single information about your speakers/drivers or type of speaker enclosures or sound box, the final important part in the audio reproduction system.
Are you using an OB ?
In that case you might need a dedicated sub.
But I guess you need to learn how to build or design compatible speakers enclosures.
A versatile amp can easily sound crappy if you do not give them a great set of drivers or a suitable enclosure.
A tri-amped LM3886 is my main system and it's brilliant because of the speakers/drivers too.
I repeat, if you have good and compatible speaker-enclosures almost any amp even a BTL TA8210 ( Toshiba chip) will sound superb.
Here is a link in support of my statement.
Do me a favour. Read at least the first two lines of the introduction on this page of an "audio guru" to understand what I am trying to suggest.
Eight Band Sub-Woofer Equaliser
You can reinforce to some extent but it's not a panacea.
If the drivers/ speakers/ sound boxes ( even if they are pricey) are not suitable for your listening environment, no amplifier, however brilliant that is, is going to give you an entirely satisfactory result.
I hope audio gurus in our forum can guide you more.
And anyone, who is reading my this post here, please feel free to correct me if I am wrong.
All the best.
Here is another link. Where he suggested that a proper enclosure is actually needed.
Hi-Fi PC Speaker System
Hi-Fi PC Speaker System
First speaker is kenwood.csom can u suggest me one design of speaker enclosure.can I use car speaker? Because car speaker more cheap than home speaker.For Now I not use subwoofer.but I have good subwoofer pre amp.but it have humming.i very satisfied with that pre amp.I not like bass from sub.Enough only from stereo speakers.
You are welcome. Your speakers seems okay for me from the outside view.
Though I can't comment on the condition of the x-over.
It is next to impossible to suggest a design without knowing the TSP of the speakers.
First you need to obtain the TSP of your speakers.
Use LIMP to obtain the parameters.
Read/ re-read this thread in detail where other respected members taught me how to build a speaker enclosure scientifically. I learnt from my mistakes there.
http://www.diyaudio.com/forums/mult...lest-3-way-speaker-plan-lm3886-triamping.html
From there you can know how to make a jig for LIMP and hook it up with your PC.
Before that there is another quick and not a very bad way to check the actual performance of your current speakers setup.
STEP ONE:
If you have an Android phone,
download some free real-time audio spectrum analyser software like
1) FrequenSee or
2) RTA Analyser or
3) Spectrum Analyse or
4) bs-spectrum free
from google play store.
All of these software offer free version.
Or you can download all and check out.
Basically these software use the microphone of the cell phone to analyse the audio signal.
Open any one of the above programs at a time
and
place the cell phone where sit, with the microphone of the cell phone facing towards your speakers.
STEP TWO:
Install Audacity Sound Editor and generate pink noise for some 60 seconds or more.
Press SHIFT and click on the play button of Audacity to loop the sound ( pink noise) .
You can now see in your phone where the problem is by watching at the analyser i.e. which bands need a boost.
STEP THREE:
Try to adjust output sound of your pc with your existing tone control ( APEX's, I guess) and/or with your sound card Equalizer ( Every soundcard has a equaliser of its own).
Try to set the frequency response curve in the Spectrum analyser software of your cell phone as flat as possible.
It might take some time.
STEP FOUR:
Play some of your favourite tracks and check the sound. In most of the cases, as I have seen from my experience, the sound should improve.
If you feel a definite sound improvement, that means your speakers need Equalisation in your own specific listening environment.
This experiment won't cost you anything except some time. But it's a good thing to practise and understand, imho.
All the very best.
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I have used a pair of 6.5 inches 3 way Rockford Prime series Car speakers with ported enclosures tuned at 70Hz and powered with LM3886 in my small listening chamber.
I can say it produces a great punch to make a "bass head" happy. 🙂
The mid is good too. Same for the high.
I can say it produces a great punch to make a "bass head" happy. 🙂
The mid is good too. Same for the high.
Great design. It seems like the the output for the High and Mid bands are stereo, however the low band output is mono; L+R channels are summed up before the Low band Buffer stage, and the active filter itself only has one OP Amp (whereas Mid and High bands have 2 at each stage). If it is the case how can I modify the design so I can get a true stereo 3-band Isolator?
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