
4-Channel Audio Mixer Parts List:

Enclosure ---
https://www.amazon.com/dp/B0859Z8PRP
LANIAKEA 3 PCS Plastic Project Boxes ABS Project Boxes for Electronics Electrical Project Case Waterproof Electrical Junction Box Black 6.2 x 3.5 x 2.4 Inch (158 x 90 x 60 mm)
Outer Size of Project Enclosure Box: 6.22" x 3.54" x 2.36" (158 x 90 x 60mm);
Inner Size: 6.0" x 3.3" x 2.1"(151 x 83 x 53mm)(L*W*H)-


Mechanical Components ---
https://www.tubesandmore.com/products/14-jack-neutrik-switched-chrome-nut-straight-pc
(5) 1/4" Mono Jack
https://www.amazon.com/ZXHAO-6-35mm-Female-Socket-Headphone/dp/B07MR2TT3Q/
(5) 1/4" Mono Jack

https://www.amazon.com/dp/B07M62VBZR
1/4" Stereo Jack

https://www.amazon.com/dp/B074LK7G86?psc=1&ref=ppx_yo2ov_dt_b_product_details
(1) Barrel Jack

https://lovemyswitches.com/9v-battery-snap-hard-shell-side-wire-extra-collar/
(1) 9 VDC Battery Connector

https://www.jpmsupply.com/SPST-ON-OFF-Miniature-Toggle-Switch-p/70107.htm
(1) Mini SPST Toggle Switch


Passive Components ---
https://smallbear-electronics.mybigcommerce.com/
(1) 1k Ohm 1/8-1/4W Resistor
(4) 10k Ohm 1/8-1/4W Resistor

(1) 50k Ohm Trimmer Potentiometer
(1) 100k Ohm Trimmer Potentiometer

https://lovemyswitches.com/16mm-potentiometers-1-4-smooth-shaft-long-pin-right-angle-pcb-mount/
https://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-rt-angle-pc-mt-long-pin-linear-audio/
(4) 16mm Potentiometer 10k Ohm
(1) 16mm Potentiometer 100k Ohm

https://smallbear-electronics.mybigcommerce.com/
(1) 1nF (.001uF/1000pF) Mica/Ceramic Capacitor
(7) 1uF Electrolytic Polarized Capacitor
(1) 100uF Electrolytic Polarized Capacitor
(1) 220uF Electrolytic Polarized Capacitor


Active Components ---
https://smallbear-electronics.mybigcommerce.com/diode-1n4001/
(1) 1N4001 Diode

https://smallbear-electronics.mybigcommerce.com/led-t-1-3-4-5mm-diffused/
(1) 5mm Red LED

https://smallbear-electronics.mybigcommerce.com/ic-jrc4558d/
https://www.amazon.com/JRC4558D-4558D-DIP8-Audio-Amplifier/dp/B07D4DTNVL/
(1) RC4558 Dual Operational Amp 8-PIN DIP

Alternate
https://www.amazon.com/gp/product/B07Z6HRTGS/
(1) LM358 Dual Operational Amp 8-PIN DIP

==========

4.5" X 3.25" PCB
MOUNT COORDINATES:
(BOTTOM LEFT XY AXIS = "0")

PMTRS
0.500" x 1.125" (text 1.625")
1.250" x 1.125" (text 1.625")
2.000" x 1.125" (text 1.625")
2.750" x 1.125" (text 1.625") 
3.500" x 1.125" (text 1.625") 

SWITCH
4.205" x 0.875"

LED
0.375" x 0.500"
