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Ibasso D2 Boa . . . new and smaller . . . with updates on 1st page. . - Page 74

post #1096 of 1141
Just pulled the trigger on a silver Ibasso D2+... Finally something a little nicer than my Fiio amps. I have no doubt it will be very nice on my full size cans, but I'm kind of curious about how it will be with my AKG K430 as those are what I usually use when I'm away from home. At only 32 ohm they don't need an amp volumewise on most devices, but I hope that the built in DAC of the D2 will be a significant improvement over the crappy on board soundcard of my pc at work...

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post #1097 of 1141
the D2+ was just released a few days ago, i was wondering if the sound is any different from the original D2 boa. anybody get a chance to do a side by side comparison?
post #1098 of 1141
Got D2+ BOA delivered by DHL today. Difference from my onboard Realtek are small but noticable. After using them with HD595, Soundstage has exploded. I conclude that the highs and mids are crystal clear. But bass is not quite up there. While IE7s sound much better getting slight treble boost due to BOA.

Now does this amp needs burn-in as well ? And will that bring out more bass for HD595 which appear to be very bright as of now ?
post #1099 of 1141
amp need burn in. at least 100-200 hrs.

i am interested in D2+ , look forward to your impression.
post #1100 of 1141
Quote:
Originally Posted by charlie0904 View Post
amp need burn in. at least 100-200 hrs.

i am interested in D2+ , look forward to your impression.
I seem kinda stuck now. There are simply NO low frequencies coming from my HD595s using Ibasso D2 BOA
I just cant believe myself as all people in this thread are saying Ibasso has good bass. I felt it would be good companion to my HD595s as they are bass defiant slightly.
post #1101 of 1141
Thread Starter 
The caps take a while to form so the bass won't be great. How many hours on the amp now? Oh you got it today? You need to give it time.
post #1102 of 1141
@jamato

Does bass really develop over time ?? Because i remember no one saying that bass is weak. And what are caps ?

Have put 10 hrs on them, The worst part is even if I up the sliders all the way on the equalizer, bass increases by 5% approx and destorts like anything.

I know for a fact that Realtek onboard still gives some serious strong tight bass to HD595 on "party" in control panel settings.
post #1103 of 1141
The sound significantly changes after 100 hours on the normal D2.
post #1104 of 1141
Are you running it as DAC/amp or just as an amp?
post #1105 of 1141
I ran it as both.
post #1106 of 1141
Quote:
Originally Posted by Ntropic View Post
Are you running it as DAC/amp or just as an amp?
I am a newb to this. I have the BOA running through USB off my laptop. It has been set to high gain and charging is set to On. It shows as USB audio DAC on vista. So it must be DAC/amp i guess.
post #1107 of 1141
Thread Starter 
You would be in amp dac. You are plugged into the left plug for the phones I would imagine. Caps, are capacitors. Capacitors store the energy from the power source, which is the battery. They need to form or as some people say, burn in, but until they do, they often don't sound real great and go through periods of sounding good and then dull and the frequency range can change. It can take anywhere from 50 to several hundred hours of on time (music running through the amp with the phones attached) for everything to settle.
post #1108 of 1141
Thanks for the explanation

After 30 hrs of Burn-in, brightness of HD595 has reduced a lot. But still very less of low frequencies.

Atleast theres some bass compared to first time listening

Edit: After 60 Hrs

Sq remains same. Midrange, higs are perfect. But small amounts of bass make the cans sound dull and lifeless
post #1109 of 1141
Edit: 2 After 100 Hrs

Sq is exactly same. No bass what so ever from HD595s. I just cant believe I have been misled by 70+ pages of pure crap in this thread.

Same ill fate when i read the advice about IE7s and even after 250 hrs of break-in no good quality highs on them. They are just too bassy/boomy.

None of these s0 called expensive cans, iems, amps sound good overall.

HD595s -> Sound amazing and balanced with realtek onboard audio. Reasonable bass leaning towards low in quantity.
Ibasso D2 BOA amp -> No bass with HD595s, Ultra boomy with IE7s
IE7s -> No treble/highs/sparkle
post #1110 of 1141
Quote:
Originally Posted by sanke1 View Post
Edit: 2 After 100 Hrs

Sq is exactly same. No bass what so ever from HD595s. I just cant believe I have been misled by 70+ pages of pure crap in this thread.

Same ill fate when i read the advice about IE7s and even after 250 hrs of break-in no good quality highs on them. They are just too bassy/boomy.

None of these s0 called expensive cans, iems, amps sound good overall.

HD595s -> Sound amazing and balanced with realtek onboard audio. Reasonable bass leaning towards low in quantity.
Ibasso D2 BOA amp -> No bass with HD595s, Ultra boomy with IE7s
IE7s -> No treble/highs/sparkle
Just to repeat...make sure phones are plugged into the left outlet, not the line out.

Try with source other than soundcard.

Sounds to me more like source problem than amp.
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