Yeah, even with all the available info sensitivity can be a tad subjective what with atmospheric conditions, how and where the unit is situated, voltage supply and a few other variables. So what works well for some (regardless of brand) may not neccessarily work as well for others (and vice-versa). Most users of the big 3 brands will usually have reports of detection of constant on radar from considerably longer distances than 1-2km in ideal conditions.
Also, some detectors are better at picking up the remains of 'instant on signals' from further away. This is particulary important if your main area of use is in the Nth Island where this practice is widespread, my experience travelling in the Sth Island on numerous occasions indicates that this is less common down there, though maybe I'm just lucky?
The main thing for you is of course that you are happy with your purchase which it appears you are and it's obviously saved you some coin which is the purpose of the whole exercise. As the TPX is relatively new it would be good to hear from other users to build up a balanced view (no offence intended LBD) to add to the pool of info on here for future prospective buyers.
From previous threads it's obvious the top models from Bel, Valentine and Escort all work exceptionally well, with each unit having it's own advantages in certain areas or with certain features that appeal to the user. Argueing over the relative differences between them is almost superflous, the main thing is they do the job and do it well.
With more input from other users it may well work out that the TPX is comparable, time and feedback will tell the story.
In the meantime, hope yours keeps doing the job for you.
My 2c spent...![]()
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