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Tone Control Karaoke Gerber, Schematic, Layout

Tone Control Karaoke Gerber, Schematic, Layout

In this post, I will make a tone control that is suitable for karaoke and can even be used for both karaoke. Not only that, in this tone control the mic amplifier is made separately, meaning that the volume of mic 1 and mic 2 can be adjusted separately. As well as the input from the two mics, the bass and treble can be adjusted.

In addition to Mic 1 and Mic 2, this tone control has several settings including; Repeat, Echo, Music volume, Treble, Bass, and there is a Subwoofer feature too.

The echo IC used in this design still uses the PT2399 ic which is cheap and easily available on the market. Here is the complete schematic of the karaoke tone control:

Tone Control Karaoke Gerber, Schematic, Layout
Later this karaoke tone control mode can be changed as needed, if you need a stereo mode with a mix in subwoofer then the jumper on the subwoofer potentiate out can be connected. But if you need mode 2.1 jumpers that don't need to be connected, then you can take the subwoofer out at the sub out terminal directly.

Here is the PCB layout that I have designed for this tone control + karaoke with dual-layer PCB:

PCB Layout Tone Control Karaoke
After the pcb design looks good and neat, then it's time to order pcb on, you can download the Gerber file at the end of the post to place an order to PCBWay.

By the way, PCBWay provides New Soldermask Colors - Pink, Gray, Orange, and Transparent.
Each additional choice in PCB manufacturing, means adding more customization for those of you who want to make PCBs on PCBWay, this is very important to interpret your project perfectly, especially for electronics enthusiasts and creative makers who like to show individuality. 

PCBWay offers you the most options for creating unique products, such as color and material customization.

The new solder mask colors include PINK, ORANGE, GRAY, and even TRANSPARENT. What’s more, to meet some clients’ needs, we also release the “Black Core PCB” materials, so you can use them for your specific requirement. Now you can check all the available solder mask colors at the "Advanced PCB" online quote page, and we're excited to see your new boards with these new glamorous colors!
New Solder Mask PCBWay
New Soldermask PCBWay

Okay, further Tone control karaoke, The following is the appearance of the PCB that has been printed on PCBWay, unfortunately at the time of printing this PCB there has been no new service from PCBWay regarding the new solder mask so I can't order the solder mask yet. I have printed the solder mask in blue.
PCB Tone Control Karaoke
PCB from PCBWay

Before assembling this tone control, let's prepare some of the components needed including:
Partlist tone Control karaoke
After all the components needed are available and complete, then install the components one by one until they are finished.
Tone Control Karaoke Gerber, Schematic, Layout

Tone Control Karaoke Gerber, Schematic, Layout
Then it's time for us to test this karaoke tone control, here I test using a 12-0-12 voltage from the transformer and the stereo mode output goes to the STK4231 II power amplifier input and is ready for karaoke
Tone Control Karaoke Gerber, Schematic, Layout
For those of you who want to hear the sound check, please watch the video below:

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