Quote: Originally Posted by ridax I have measured a original Apple USB charger and it gives around +5V for USB power, +2.7V for Data- och 2.0V for Data+. All these voltages relative to ground. So the Data pins are connected and not free in space and I think the information I got before...

Hi Keith, What's the status of my E4 order? I ordered it on Aug 1 under the name Kai-Tai Cheung. Thanks.

Even if you get a 4-pole inline socket, it will be heavy and cumbersome. All the inline 3.5mm socket I saw is big and heavy. I end up modding the sharp plug to 3-pole and shorten a sony extension cable (like the one from ex71) . I destroyed the sharp's extension when I try to shorten it. The...

I owned both and sold the ex71. md33 is simply a better more balanced phones.

Thanks for your quick impressions. I guess I'll upgrade to um2 rather than e5c now cause most people said the high of um2 is better and I'm afraid the lack of bass of ety.

Congratulation for your new toy. I am currently a md33 user wanting to upgrade. Can you please tell me the improvment over md33? Specially the high frequency. I found cymbal sound artificial and not extended on my md33.

These are my first and second built. Thanks tangent for the excellent guide. The left one is JRC4556 Based Cmoy amp. The right one is A47 with dual 2134. I love this candy tin better than the regular mint tin. It is a little shorter but wider and can fit 4 panel components nicely...