After the first 100 hours burn-in with my D2+, I would like to record some samples and upload to the internet and share to all of the audiophiles. Hopefully you can help me to judge whether the sound have did some improvement. I was used my iPod nano 5G as my source and the sound comes out with a Line Out Dock which plug with my iBasso D2+ Boa.
I am playing the song "Beautiful Eyes" sung by Taylor Swift. I was plugged a 3.5mm to 3.5mm cable to connect between my D2+ and my computer through the Line-In socket. I am using Sony Sound Forge Pro 10.0 to record the Line-In sound. After that, I was saved as a Wave audio file then convert them to WMA Lossless.
The song (Beautiful Eyes - Taylor Swift) in my iPod is a high quality Apple Lossless audio.
Here are the download links:
Equalizer Off
Original iPod source connect directly with LOD but without iBasso D2+ Boa,
Beautiful Eyes by Taylor Swift - 2 minutes recording
iPod source connect with LOD, iBasso D2+ Boa and a 3.5mm to 3.5mm cable to my computer,
Beautiful Eyes by Taylor Swift (iBasso) - 2 minutes recording
I was found that the sound is getting better after I set the equalizer to "Hip Hop". Here are the two samples:
Equalizer - Hip Hop
Original iPod source connect directly with LOD but without iBasso D2+ Boa,
Beautiful Eyes by Taylor Swift - 2 minutes recording
iPod source connect with LOD, iBasso D2+ Boa and a 3.5mm to 3.5mm cable to my computer,
Beautiful Eyes by Taylor Swift (iBasso) - 2 minutes recording
Personally, for my own opinions, iBasso D2+ Boa did improve the sound quality especially the mid frequency. The vocal has noticeable improved by comparing to the original source. It makes me feel like the vocal is more nature and more realistic. The low frequency has improved much after I did my first 100 hours of burn-in. It is delivering an elastic bass without too boomy. For the high frequency, the treble has improved by comparing to previously. However, I still need to burn-in a bit longer due to the sound is not so accurate for some noisy music such like dance, electronic songs.
Remember to give me a comment, thanks!
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1 comment:
Hey, it's good to find people keen to blog with their audio musings! :)
I do notice however that you were testing the amp with pretty much no load... In the real world, the performance of a headphone amplifier will be dependent on the headphones plugged into it. So you should get a "double-adapter" or Y-cable, with the headphones AND the recorder plugged in at once.
Happy testing
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