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Measured Twice

Which sources back which section of this article, and what its evidence base looks like.

Which sources back which section

SectionSources behind it
What It IsNothing Support Centre (battery life of all three; Headphone (1) fast charging); SoundGuys: Birney on Headphone (1) and on CMF Headphone Pro, with his CMF launch report, Thomas on Headphone (a), Triggs on the Headphone (a) launch; TechRadar: Bolton on Headphone (1) and Headphone (a), Scarrott on CMF Headphone Pro, Marshall on the CMF launch; Schoon, 9to5Google (both launches); Smith, Engadget; Azizan, TechNave; Kamil, Lowyat.NET; Bonggolto, Android Central; Sridhar, Fone Arena; Claude, Son-Vidéo; Regmi, Gizmochina
TimelineThe six reviews by SoundGuys and TechRadar; the launch reports by 9to5Google, SoundGuys, TechRadar, Engadget, TechNave, Lowyat.NET and Android Central; Sean, Gizmochina (the CMF launch date); Reyes, TechRadar (the $169 price); Chevelle.fu, Cool3c (Taiwan); Sridhar, Fone Arena (India); Claude, Son-Vidéo; Altmeyer, techreviewer.de
The ArgumentBolton, TechRadar, on Headphone (1) and Headphone (a); Scarrott, TechRadar, on CMF Headphone Pro; Reyes, TechRadar (the 4.5 rating); Birney and Thomas, SoundGuys, on all three
What Others AddNothing Support Centre (the three battery ratings and their test conditions); the six reviews by SoundGuys and TechRadar; Sridhar, Fone Arena (CMF’s cell); Regmi, Gizmochina (the Headphone (1)’s cell); Claude, Son-Vidéo, and Altmeyer, techreviewer.de (the Headphone (a) readings)
ConclusionThe six reviews by SoundGuys and TechRadar; Reyes and Marshall, TechRadar (prices); Schoon, 9to5Google, and Oberoi, Android Authority (the reported fourth model); Sood, SoundGuys (the leaked renders)

What the evidence base looks like

  • 29Sources behind this article
  • 29Read in full
  • 2Independent labs that ran a headphone flat
What the source isHow manyHow they were read
News reporting: launches, prices and leaks16All in full at their own pages; four of them report leaks, and relay what another outlet said
Reviews carrying their own measurements or readings8All in full; each states the conditions of its own test; two give only battery-indicator readings, and one has no battery result yet
The maker’s own support pages4All in full; they state the maker’s ratings and the conditions behind them, and carry no date
A retailer’s review of a product it sells1In full; it disagrees with the maker’s reported fast-charge figure

Reliable

Reliable, but with an interestWorth believing and reliableWeak on both, and used with careHonest, but thin

Worth believing

Each point is one source used, placed by two judgements on a six-step scale. Points carry no names: the chart shows the shape of the evidence, not a verdict on any publisher.