Sounds of obsolete technology

Modern technology is so quiet and efficient, so here are some reminders of how noisy computing used to be:

Number 1: The dot-matrix printer.

http://www.youtube.com/watch?v=Muajxx8vUV4

Number 2: Rotary dial phones.

http://www.youtube.com/watch?v=8hUAQtqlhT4

Number 3: Tape-loading games

http://www.youtube.com/watch?v=GJykX4s9MtQ

Number 4: Modems

Number 5: Floppy drives

Lepai Tripath TA2020 Amplifier teardown

Lepai Tripath TA2020 amplifier I bought off eBay for $20
Lepai Tripath TA2020 amplifier I bought off eBay for $20

So, following the death of my ancient FAL Phase 44 amplifier, I found a series of very cheap amplifiers on eBay. They’re all based around something called a “Class-T” amplifier IC which seems to be an all in one IC that just needs hooking up to some inputs, speakers and electricity to work.

Click the image to look at the photos, or hit the “More…” link to continue reading…

Continue reading Lepai Tripath TA2020 Amplifier teardown