The explained bass treble tone controller circuit not only facilitates the control of the bass, treble frequencies but also the mid range frequencies using its efficient 3 way tone control circuit providing an excellent custom music output as preferred by the user.
As shown in the figure below the circuit employs opamps for the processing and generates an excellent qulity sound as per the taste of the listener and enable tailored frequency music output which results in enriching even an ordinary piece of music input.
The discussed bass, treble tone controller circuit thus effectively performs like a 3 band graphic equalizer circuit allowing the user with distinct 3 way control of the sound frequency.
The bass control basically allows only the lower range of the frequency, ideally between 10Hz and 300Hz, that means the user can adjust this pot to cut off all frequencies that might be within or beyond this frequency range.
The treble control can be considered just the opposite of bass, and this control allows the user to trim the input frequency within the range of 2kHz and 6kHz, which implies that the user can use this pot to tailor the frequency anywhere between this range.
Now obviously, the mid range control has the ability to provide the facility of adjusting frequencies between the above discussed 300Hz and 2kHz.
With all the 3 controls, the this simple bass treble mid range tone controller circuit becomes a full fledged 3 way graphic equalizer circuit which enables the users to adjust the 3 control as per their personal taste such that the most pleasant hearing sensation is achieved for the listener.
|R1-R2= 47K||C1-C11= 10uF/25V||C8= 1.2nF MKT|
|R3-R4-R5-R12-R13= 10K||C2= 33pF||C9-10= 100nF 63V MKT|
|R6-R7= 3.3K||C3= 2.2uF/25V MKT||C12=47uF 25V|
|R8-R9= 1.8K||C4= 47nF/25V MKT||RV1-RV2= 100Kohms Lin.|
|R10= 270 ohms||C5-C7= 4.7nF/25V MKT||RV3= 470Kohms Lin.|
|R11= 22K||C6= 22nF/25V MKT||IC1= TL072, NE5532|