Opppss I didn't address original quest. sorry.
Quote:
Originally Posted by cgetman
I'm evaluating which amp may be a better option for my use. I would be using the amp with a IPAQ 3955 running music off of a SD card and I would also be using it with my Dell 9300 laptop. The IPAQ would be an analog connection and the 9300 could be either analog or USB. I'm looking for a portable amp. I have also considered the Shellbrook Ascent.
Any opinions would be appreciated. This would be my first headphone amp. I currently have a pair of Grado SR125 headphones. (I'm trying to resist the pull of the darkside to purchase a pair of Etymotic 4S's) Thanks for any and all opinions! Curt
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What you are talking about are 2 different things:
1) Computer Audio Output, and
2) Audio Amplification.
Using the SR-71 and Shellbrook Ascent they are audio amplifiers, they need an analog audio source to operate. They are not computer USB compatible.
The Headroom Micro DAC, and Headroom Total Bithead are computer USB
compatible. But the Headroom Micro DAC you need to purchase the Headroom
Micro AMP or use another AMP to listen to the audio with your headphones, speakers, or whatever.
Maybe all you need is an M-Audio Transit USB Soundcard, as TwoFiveOne said earlier. And if you want the audio to be further amplified you can pipe the sound from the Transit and amplify its audio output even further by the use of a portable amp (SR-71, SuperMacro, Ascent, Go-Vibe, etc.)
Word of caution. If you are using the analog out of your computer, you might be picking up all the internal noise and possible interferances that plague a computer as a musical source, especially if you have a budget sound card. Plugging in your amp to the analog out of your computer might amplify the bad sounds even more.
There is a forum for using the PC as a music source, you could find more information there about helping set up your PC to listen to music optimally.
Good Luck!