6J1 tube preamp vs. Topping DAC/Cosmos ADC loop

By PMA
Test taken 8 times
Test played 83 times

One of the files is a loop record of Topping D10s to E1DA Cosmos ADC. For the second file, a preamplifier based on 6J1 tube was inserted into the DAC/ADC loop. Can you tell a difference?

- Tube preamp
- DAC/ADC loop
  Tracks in the test are in random order
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Round 1 / 10
seconds
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  Tracks are in random order