20W Class A Amp Power Supply Ripple vs Load Frequency

I will show the interesting ripple on the power supply voltage rails due to the frequencies of the Audio Amplifier. This video title is; 20W Class A Amp Power Supply Ripple vs Load Frequency. There is a playlist for this 20 Watt Class A Amplifier (see below). It is titled 20W Class A Amp Schematic with MicroCap Tutorial .

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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

Class A Power Amplifier Playlist: https://youtube.com/playlist?list=PLZ0_iMoMBSsnfyyg78ez-uqtGyOF9h2VI

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/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FHiraga-A-Class-Power-Supply-PCB-D-I-Y-Aleph-Zen-X%2F112453914501%3Fhash%3Ditem1a2ec68f85%3Ag%3AWnsAAOSwF09Zc2YD&campid=5338607533&toolid=10001&customid=Hiraga Power Supply

Please use this link for Aleph 5, Class A Amplifier kit used in this project: http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5575544800&toolid=10001&campid=5338607533&customid=Class+A+Amplifier+Project+Aleph+5+kit&mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2F323781896316

Another Aleph 5 Class A amplifier link:
https://rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FAleph-5-60W-A-class-Amplifier-D-I-Y%2F112627178092%3Fhash%3Ditem1a391a5a6c%3Ag%3A~fYAAOSwaSZZ-4e4&campid=5338607533&toolid=10001&customid=Aleph 5 Amplifier
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