This Week I Learned - 2017 Week 41


Last week post and something else from the archive.

Slow week. Too many pending stuff that needs my urgent attention and got sidetracked into firefighting some unplanned work.

So much I've learned regarding audio stuff. Some are hard lessons. First, active (or powered) and passive speaker have different features and usages. When you're getting a standalone DAC or DAC/Amplifier combo, make sure the DAC have enough output terminals. For example, passive speakers need two pairs of left and right output terminals where each pairs is channeled out to each speaker. Good comparison is the popular JBL LSR 305 and Pioneer SP-BS22-LR. See screenshots of the input terminals for each speaker.

The JBL LSR 305 only have two types of input, XLR and 6mm jack.


Meanwhile, the SP-BS22-LR have both positive and negative terminals. You will need to connect speaker wires to transfer the sound signal to both left and right speakers.




Second hard lesson. Not all amplifiers are created equally. Bookshelf and tower (floor-standing) speakers needs different output watts to produce optimal sound output.

After so many days, managed to finish Neil Gaiman's American Gods  book. Sadly, the TV series does not really live up to the book expectation (maybe due to limited budget?).

Use the `git stash` command correctly. Differentiate between `git pop` (apply and remove) and `git stash` (apply and keep in stash cache).

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