30videosJohnAudioTech
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Playlists · 3
10:18
9:25Class G & H audio amplifiers - How they work
28.5K viewsHow class G and class H amplifiers improve efficiency.
7:28Dealing with amplifier power on/off pop sounds
39.6K viewsWhy amplifiers pop at power on/off and how to suppress it.
19:04How to design a single transistor amplifier with voltage divider bias
94.7K viewsDesigning a single-transistor amplifier with voltage-divider bias, step by step.
19:04JFET amplifier design with breadboard demonstration PT2
42.7K viewsJFET amplifier design with a breadboard demonstration.
16:51Junction Field Effect Transistor (JFET) introduction and characteristics PT1
25.9K viewsIntroduction to JFETs and their characteristics.
10:40"JAT EZ" audio amplifier project kickoff
A 11-minute video from JohnAudioTech: “"JAT EZ" audio amplifier project kickoff”.
14:57$1 USB charger for use in car - test and teardown
A 15-minute video from JohnAudioTech: “$1 USB charger for use in car - test and teardown”.
9:12$1 USB charger teardown and test
A 9-minute video from JohnAudioTech: “$1 USB charger teardown and test”.
10:15100 watts @ 4 Ohms with the JAT501 project amplifier
A 10-minute video from JohnAudioTech: “100 watts @ 4 Ohms with the JAT501 project amplifier”.
25:2912 volt 2 watt DIY transistor audio amplifier build PT 2
A 25-minute video from JohnAudioTech: “12 volt 2 watt DIY transistor audio amplifier build PT 2”.
19:2412 volt power supply stopped regulating - What went wrong?
A 19-minute video from JohnAudioTech: “12 volt power supply stopped regulating - What went wrong?”.
9:2212AX7 stereo tube preamp only 12 volts
A 9-minute video from JohnAudioTech: “12AX7 stereo tube preamp only 12 volts”.
27:461980s Toshiba stereo cassette boombox teardown and repair
A 28-minute video from JohnAudioTech: “1980s Toshiba stereo cassette boombox teardown and repair”.
14:154556 op amp distortion test
A 14-minute video from JohnAudioTech: “4556 op amp distortion test”.
4:1078L05 regulator oscillating at 30MHz
A 4-minute video from JohnAudioTech: “78L05 regulator oscillating at 30MHz”.
13:46A simple fix gives these speakers up to 5dB more bass!
A 14-minute video from JohnAudioTech: “A simple fix gives these speakers up to 5dB more bass!”.
8:58AC no cooling seized condenser fan HACK repair
A 9-minute video from JohnAudioTech: “AC no cooling seized condenser fan HACK repair”.
11:27AM radio interference - seeking the source
A 11-minute video from JohnAudioTech: “AM radio interference - seeking the source”.
16:35AM transmitter based on the LM386
A 17-minute video from JohnAudioTech: “AM transmitter based on the LM386”.
15:47Adding a constant current source to a differential amplifier to improve common mode rejection
A 16-minute video from JohnAudioTech: “Adding a constant current source to a differential amplifier to improve common mode rejection”.
6:39Adding heat sinks to a class D stereo amplifier board
A 7-minute video from JohnAudioTech: “Adding heat sinks to a class D stereo amplifier board”.
15:42Adventures in a one transistor audio amplifier
A 16-minute video from JohnAudioTech: “Adventures in a one transistor audio amplifier”.
19:25Alternator failure on exercise bike
A 19-minute video from JohnAudioTech: “Alternator failure on exercise bike”.
9:55Amplifier IC used in the computer speakers plus a mod
A 10-minute video from JohnAudioTech: “Amplifier IC used in the computer speakers plus a mod”.
21:09Amplifier feedback compensation and stability - JAT801
A 21-minute video from JohnAudioTech: “Amplifier feedback compensation and stability - JAT801”.
18:20Amplifier modification to fix clipping asymmetry
A 18-minute video from JohnAudioTech: “Amplifier modification to fix clipping asymmetry”.
13:47Amplifier power for home listening
A 14-minute video from JohnAudioTech: “Amplifier power for home listening”.
16:52Amplifier turn-on pop and audible noise - budget board comparison
A 17-minute video from JohnAudioTech: “Amplifier turn-on pop and audible noise - budget board comparison”.
18:01Angels Horn AH6 turntable - meets the Quant Asylum audio analyzer
A 18-minute video from JohnAudioTech: “Angels Horn AH6 turntable - meets the Quant Asylum audio analyzer”.
5:15Another failed LED bulb to teardown
A 5-minute video from JohnAudioTech: “Another failed LED bulb to teardown”.
9:42Audio amplifier build stereo TDA2003
A 10-minute video from JohnAudioTech: “Audio amplifier build stereo TDA2003”.
6:56Audio amplifier class introduction - Part 1: Class A
A 7-minute video from JohnAudioTech: “Audio amplifier class introduction - Part 1: Class A”.
13:23Audio amplifier dynamic power explained with demonstration
A 13-minute video from JohnAudioTech: “Audio amplifier dynamic power explained with demonstration”.
13:46Audio amplifier gain measurement and input signal levels
A 14-minute video from JohnAudioTech: “Audio amplifier gain measurement and input signal levels”.
11:31Audio amplifier gave off burning smell. What went wrong?
A 12-minute video from JohnAudioTech: “Audio amplifier gave off burning smell. What went wrong?”.
Books that go with these videos
- The Art of Electronics, Horowitz & HillThe bible of circuit design
- Practical Electronics for Inventors, Scherz & MonkA friendly reference
- Make: Electronics, Charles PlattLearning by building
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