ultra compact bass TREBLE with Dual gain controls

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This Bass Treble and Gain circuit was designed by Respected Peter J Baxandall , 

You will find many versions of it on Google and able to make most of them on this PCB. 

The Gain circuit on this board can drive any type of Amplifier..

• Bass Treble Boost / Cut -   15 dB symmetrical curve Boost / Cut. 1khz cutoff  frequency. 
• High signal GAIN -  up to  20 dB Max signal gain.
• Universal amplifier usability - can be used with any amplifier made of IC or Transistors.
• Standard Components -  All components used are available online or at your local electronics store.  
• No SMD components - Only through hole components used, making soldering and replacement hassle free.  
• Cost effective - This amplifier can be made in a fraction of cost compared to similar amplifiers available in market. 

• Baxandall type Symmetric Tone Control 
• Maximum Bass Boost - 15 dB
• Maximum Treble Boost - 15 dB
• Max Signal Gain - 20 dB
• Cutoff  Frequency - 1 Khz

       U1 U2  - NE5532, TL072, JRC4558, LM833, OPA2134

   * - Please read datasheet carefully before use.  

•  Type of PCB  - Single sided, Glass Epoxy FR-4 Grade A  
• PCB size -  100 mm x 57 mm ( 3.5 inch x 2.3 inch ), PCB Thickness = 1.6 mm 
• Thickness of copper on PCB - 35 micrometer 

PCB designed with thick copper tracks & large solder pads to facilitate straightforward  placement and soldering of components.