pogo
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The industry is familiar with the fact that field returns are measured with a larger tolerance. The reason for this is the consideration of component ageing.
The question now is, are the initial review measurement results of audio equipment tested still valid after 2, 5, ... years?
For example, what would be the measurable difference after years with a Fosi V3 Mono, which can get very warm? Does a NAD M23 have advantages due to its better thermal management?
Perhaps some earlier UUTs could be re-measured years later to get a better picture?
Edit:
I have added 'firmware updates, ...' to the thread title.
The question now is, are the initial review measurement results of audio equipment tested still valid after 2, 5, ... years?
For example, what would be the measurable difference after years with a Fosi V3 Mono, which can get very warm? Does a NAD M23 have advantages due to its better thermal management?
Perhaps some earlier UUTs could be re-measured years later to get a better picture?
Edit:
I have added 'firmware updates, ...' to the thread title.
Last edited: