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Topping DX7 Pro - DAC and balanced headphone AMP with ES9038pro and Bluetooth 5.0
Dec 9, 2020 at 1:09 AM Post #181 of 507
Stringed duets and instrumentals sound so good from the vivid Too. Much much less fatiguing to my ear than the stock op amp and more well like "music", amor at least vivid is a good description.. They were not really listenable from the stock op amp at louder volumes ON the HD 800!, even after the SDR mod..

I fault the op amp. Not the HD 800 with SDR mod.

After the vivid from Burson are installed the DX7 pro does not fatigue my ears at loud volumes after just half a track... and this for me is q really big deal, for me is the greatest total improvement.

Strings, bass, viola, guitar, ukelaele all are fantastic.👏 the op amp changes the vividness of these qualities for the better, it has done things! Much more "vivid" indeed.
Especially in Gracefully Facedown by the devil makes three!! One of my Go-To tracks, and John Lee Hookers One Bourbon, One scotch. One Beer

Mainly, they are much less less fatiguing and more engaging than the stock op amps, which is the first concern...
 

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Dec 9, 2020 at 2:28 AM Post #182 of 507
Great to here and awesome that a divice like the DX7 pro is capable of so much more with just changing these op amps.

I think i will try the Burson V5i just because they fit out of the box :wink:

Are these the right ones to go with?
https://www.audiophonics.fr/en/comp...mp-v5i-dual-opa-hybrid-dip8-pair-p-13152.html

Shoul i also change the op amps in the LPF section doesn't this really matter at all?

Thanks for you help :)
 
Dec 9, 2020 at 5:55 AM Post #188 of 507
Hello, guys.
Probably a noob question - when I'm connecting my blu-ray player (Sony UBP-X800M2) to Topping DX7 Pro using its coaxial input, Topping's display always shows 48 kHz, even when I play discs with 96 kHz / 24 bit audio (e.g. newly released Pink Floyd's "Delicate Sound of Thunder").
Why is that?
Player's manual says, that its coaxial output allows quality up to 192 kHz / 24 bit.
 
Dec 9, 2020 at 8:14 AM Post #189 of 507
Holy Moly! I received my Topping DX7 pro about an hour ago and i love it. It seems that the Amiron Home matches perfectly with the Topping DAC.

Can't imagine how good it will sound after a short break in and the new Burson OP Amps :)

I miss maybe a touch warmness from my beloved Sony WM1A but i think the Bursons will handle this...

What is absolutely remarkable is the Bluetooth connection. I paired my phone via LDAC and damn does this sound good.

Has anyone expierenced sound differences between the 4.4mm Pentagon and the XLR output?
 
Dec 9, 2020 at 8:24 AM Post #190 of 507
Can someone tell me this pls? by swapping op amp do you change the amp or the dac sound signature?
I do use my dx7-pro as dac most of the time and I am already happy with the dac sound. However the amp side, could have a touch.

Thanks!
 
Dec 9, 2020 at 8:18 PM Post #191 of 507
The DX7 Pro is just stellar in DAC mode. Using it with the Monoprice THX 887. 🙂
 
Dec 10, 2020 at 5:17 PM Post #193 of 507
equalspeace said:
The DX7 Pro is just stellar in DAC mode. Using it with the Monoprice THX 887. 🙂
Click to expand...
How does compare the amp from the topping to the thx 887?
I am curious...
 
Dec 10, 2020 at 6:14 PM Post #194 of 507
Honeypot said:
How does compare the amp from the topping to the thx 887?
I am curious...
Click to expand...

The DX7 Pro amp doesn’t compare to the THX 887, not close. Everything about what the THX 887 can do is better. But that ESS 9038 chip and the implementation on the DX7 Pro is quite gd.

And I don’t want people to think the amp on the DX7 Pro is bad. It’s gd, but it’s not a fair fight to compare it to the 887
 
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