Quote:   You can try Shure olives, they last longer compare to comply.

Using t100 white core one.

Best Wishes Joe. 

Quote:   Can only use 1 coupon per order. I use the red25 as it give more discount.

Using Das Keyboard Model S Professional for Mac

Quote: Same here, just order a W4R going to be poor for long time ....

Maybe this review can help u. http://www.headfonia.com/electric-avenues-pa2v2/

using ipod class > pa2v2 > hd25, working perfectly.

For a DAC, you can take a look @ The HRT Music Streamer II http://www.headfonia.com/the-hrt-music-streamer-ii-asynchronous-2496-for-149-95/ Audinst HUD-MX1 http://www.headfonia.com/audinst-hud-mx1-dac/ Yulong U100 http://www.headfonia.com/the-new-recommendation-the-yulong-u100-usb-dac/ I...

PA2V2 is the 1st portable amp for many ppl including myself. Highly recommended for a 1st amp, affordable, long battery life & great support from Gary (lifetime warranty)

I doubt so, your onkyo tx-nr807 cost $1k (it has so much more higher end stuff) where as udac2 only $130.

Yes, less than $150 including delivery for the LD I+ is worth it. Further more you can do opamp & tube rolling to find the sweet spot that you like.

Don't understand your qn. Do you understand what is a DAC (Digital-to-analog converter)? http://en.wikipedia.org/wiki/Digital-to-analog_converter A soundcard has a DAC chip built in to convert digit mp3 to analog signal which is send to the speaker to produce the sound. There are 2 type of...

Another entry dac you can consider, AUDINST HUD-MX1 DAC/amp http://www.head-fi.org/forum/thread/484163/review-audinst-hud-mx1-dac-amp-a-promising-newcomer-compared-to-audio-gd-fun-amb-gamma2

U can try reading thru the link below for more info on udac2 http://www.head-fi.org/forum/thread/505523/first-impressions-new-nuforce-udac-2-with-24-96-usb-dac-amp-with-line-out-and-s-pdif-out