This Week I Learned - 2017 Week 39

Last week post or the old archive.


Picking up lots of audio related stuff. Interesting week indeed.

Building a audio system but worry that your spending will lead to a serious discussion with your significant other(s)? Pay an acceptable amount on your credit cards and the remaining amount by cash. The audio sales person suggested this "workaround" for all his client who worry about their spending being known to their significant other(s). Interesting indeed. On self-reflection, if you worry your spending will cause an issue with your significant others(s), then you should not even spend that amount of money.


Buying headphone but low on budget? Doesn't have a trained ears or the time to test through all available headphones? Get Superlux HD668B, definitely worth every cent of your money!

One interesting trend with audio shop in MY is the emerging of community oriented stores. Currently, Starpickers and E1 Personal Audio are the two good example of such type of stores. Chill environment and good place for local audiophile meetup.


Klipsch R-15PM powered speaker (also known as active speaker). Worth it? Not with a retail price of MYR 2600. Unless you have extra cash to burn, have (going to build) a vinyl records collection, and love a minimum setup (no need extra amplifier, receiver, or DAC) with different input sources (TV, PC, Bluetooth, and Phono). Suitable for neat freaks who like clean setup where you have a pairs of speakers which can connect to to any electronic devices that generate sounds. Furthermore, JBL LSR 305 is still a better choice, sound and money wise (you can get it from Massdrop around MYR 1500 inclusive of shipping).


Stoner Acoustics UD125 is a locally made DAC and headphone amplifier. Price is set around USD 85 or MYR330. While I'm tempted to get it and support our locally made product, is it worth the money?

As I learned by reading blog posts and watching videos on different DACs and amplifiers, the product is as good as the components. While there is no information on what brands of capacitor used, the key electronic components are (1) Savitech SA9037 USB Audio Processor. The audio chip. I can't find any information on this except there is another audio chip using model number SA9027. (2) Asashi Kasei Microdevices (AKM) AK4490 High Performance DAC. (3) Texas Instruments (TI) TPA6120A Dual Channel High Power Amplifier.


When comes to reviewing and modding the Nobsound MS-10D Tube Power Amplifier, this guy knowledge sharing and follow ups is simply epic. We need more producer rather than moocher in this world.


Why you shouldn't spend money on cheap amplifiers or DACs. Be careful SMSL stuff as it's notorious known for creating spark when plugged in. Just get Lexicon Alpha and JBL LSR305s.

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