Tone control in a TubelabSE?

Green77 · 14th December 2010, 05:18 AM

Hi all!

Is it possible to ad a tone control in a TubelabSE?

I have looked at this one. And was thinking to build it in the same chassie as the amp.

And do it like this:

CD in --> Tone control --> Volum --> AMP

Any problems?

Thanks //Daniel

artosalo · 14th December 2010, 06:53 AM

I have used basically same circuit and it works great. Below is my version. It has also a voltage amplifying stage, which is in most cases not needed. Also the cathode follower - as in your example - is not necessary if the used signal source is having low impedance device like CD-player etc.

Very good feature of this circuit is - compared with passive one's - is that one can use linear potentiometers. Also the "flat" response is exactly at middle position of the pots.

14th December 2010, 05:18 AM	#1
Green77 diyAudio Member Join Date: May 2007 Location: MJOLBY	Tone control in a TubelabSE? Hi all! Is it possible to ad a tone control in a TubelabSE? I have looked at this one. And was thinking to build it in the same chassie as the amp. And do it like this: CD in --> Tone control --> Volum --> AMP Any problems? Thanks //Daniel

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14th December 2010, 06:53 AM	#2
artosalo diyAudio Member Join Date: Feb 2010	I have used basically same circuit and it works great. Below is my version. It has also a voltage amplifying stage, which is in most cases not needed. Also the cathode follower - as in your example - is not necessary if the used signal source is having low impedance device like CD-player etc. Very good feature of this circuit is - compared with passive one's - is that one can use linear potentiometers. Also the "flat" response is exactly at middle position of the pots.