Posted on Sunday, 30th September 2007 by Auw Jimmy

Still remember my old speaker below? If don’t, please check it here. This weekend, I have some spare time. Hmm… a little tweak is no harm, right?

Currently, my speakers are considered to have a lot of mid tone. The high is somehow shadowed by the mid and the low tones. To tell you the truth, I’m a mid lover. This time, my target is to get a better high frequency. So, I have to play a little bit with the XO.

(more…)

Posted in DIY Audio, Personal | Comments (15)

Posted on Wednesday, 26th September 2007 by Auw Jimmy

I got information from my friend yesterday about multiplication bug in Excel 2007. You can also search from Google with keyword “excel bug 100000″ or similiar.

Some multiplication result produce 100000 instead of correct number.

Let’s say: 1.9 x 34492.10526 should produce 65535, but Excel 2007 produces 100000.

I think it’s related with 65535 (FFFF hexadecimal). I also check with FF (255), FFFFFF (16777215), and FFFFFFFF (4294967295) but no problem found so far.

I try with some numbers (see below and you can check the result). It happens only on certain numbers and I just can’t find the reason why

Notes:
    A. Raw number
    B. Raw number (65535 divided by the A column)
    C. The result from AxB (I revert the result, so I multiply back the B with A).                  Normally, it should produce 65535, not 100000!)

Posted in IT/Gadget | Comments (3)

Posted on Sunday, 16th September 2007 by Auw Jimmy

Yesterday, 15 September 2007, we held another Blind Test. This time, the topic was Moving Magnet (MM) Phono Stage. Two week before, we already had a Moving Coil (MC) session (I didn’t come). The session was held on Tubelover showroom, at Fatmawati.

This time, the contenders were:
1. Blue Circle BC11
2. ClearAudio
3. Modified Sansui AU7900
4. Zenn Audio

Below, you can see the system setup. We used Tannoy Stirling and with extra Fostex super tweeter. The amplifier was tube, I forgot to write down the details (Minuet, EL34 if I’m not mistaken). The player was Rega P5 with Empire cartridge.

(more…)

Posted in DIY Audio | Comments (22)

Posted on Monday, 3rd September 2007 by Auw Jimmy

Rumors said that Microsoft could be interested to buy Research in Motion (RIM), famous BlackBerry maker. According to Reuters: “Microsoft has been mentioned as a possible buyer,” said Frederic Ruffy, an analyst at options education firm Optionetics in California. “According to speculation, the software giant might be interested in RIM in response to Google’s recent announcement that it is interested in making its own mobile phone operating system, which would compete with Windows Mobile,” he added.

RIM shares also grew up 3.35% on Nasdaq. The good news seemed put optimism on the market. We’ll see whether this “good” news will become a reality in the near future. So far, BlackBerry device is very popular in professional market. People can retrieve their e-mails in real time basis, just like SMS. BlackBerry device also support chat features, with popular messaging application supported like MSN or Yahoo Messenger. Latest BlackBerry device also equipped with multimedia feature, like camera and audio/video player.

Posted in IT/Gadget | Comments (0)