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Anyone try rolling op amp in Topping D50s?
Anyone try rolling op amp in Topping D50s?
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Old 29th January 2020, 01:28 AM   #1
sam08861 is offline sam08861
diyAudio Member
Join Date: Feb 2016
Default Anyone try rolling op amp in Topping D50s?


Have a Topping D50s and would like a bigger soundstage.

As I understand it has a swappable buffer op amp, that currently has a LME49720 op amp. Any suggestions for an op amp in this unit's buffer stage?

(Has ESS9038QM DACs and OPA1612 Soundplus in I/V stage if I understand correctly?)

Any suggestions/advice appreciated?
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Old 29th January 2020, 10:38 PM   #2
Mark Tillotson is offline Mark Tillotson
diyAudio Member
Join Date: May 2018
Location: Cambridge UK
Bigger soundstage requires some signal processing, not a different opamp. Soundstage can be manipulated by cross-feeding a proportion of each channel into the other, in-phase to reduce it, out of phase to increase it.
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