Adding PreAmp to 20 Watt Class-A Amplifier

I will show what adding capacitance to the power supply will do for ripple reduction. This video title is; 20W Class A Amp meets Big Capacitor. There is a playlist for this 20 Watt Class A Amplifier (see below). It is titled 20W Class-A Amplifier meets Big Capacitor. #ClassAamplifier #20WattClassAamplifier #20WClassAamp

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Ebay link to this preamp (about $2): https://ebay.us/NXfDHA
Link to 20W Class A Amplifier boards (under $60 usually): https://ebay.us/XOS7Of

Amazon Link to preamp board (under $5): (the one I have is out of stock right now, but this one is about the same, but it does have capacitor inputs which you can short if not wanted.) https://amzn.to/33J5dDJ

Class A Power Amplifier Playlist:    • Class A Power Amplifiers  

Yaung Jing is the brand, and the following is the specifications for it:
Basic Parameters
Supply voltage: DC +/-25V ~ +/-35V
Output power: 20W @ 8 Ohm, 40W @ 4 Ohm, 80W @ 2 Ohm
Speaker impedance: ohm 2 ~ 8 Ohm

Zener Diodes: https://amzn.to/3qlKoYH
Wire clamps: Wago assortment: https://amzn.to/3qkY4mQ
Keadic assortment: https://amzn.to/2N80vKT

Link to 20W Power Amplifier Board: https://amzn.to/3oB0VWW
Link to silicone lead set: https://amzn.to/3j23ksq
Link to Blue silicone mat: https://amzn.to/36qpIqD

Please use this link for the Hiraga Power supply kit:
https://rover.ebay.com/rover/1/711-53... Power Supply

Please use this link for Aleph 5, Class A Amplifier kit used in this project: http://rover.ebay.com/rover/1/711-532...

Another Aleph 5 Class A amplifier link:
https://rover.ebay.com/rover/1/711-53... 5 Amplifier

Irwin Drill and Tap set: https://amzn.to/3l7coxb
Titanium drill and tap bit set: https://amzn.to/3rDU1Cz
Tap and Die 40 piece set: https://amzn.to/2PHTUb1
Cutting Fluid: https://amzn.to/3qyFR4l
Klein Tool Heavy duty wire stripper: https://amzn.to/2OcV26n