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Which 12AX7 tube is best?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
550
CPC
$0.22
Total est. value / mo
$7
Common ways people ask this (11)
  • Which 12AX7 tube is best for guitar amps?
  • Which 12AX7 tube is best for hi-fi audio?
  • Which 12AX7 tube is best for phono preamps?
  • Which 12AX7 tube is best for low noise?
  • Which 12AX7 tube is best for high gain?
  • Which 12AX7 tube is best for warm tone?
  • Which 12AX7 tube is best for clean headroom?
  • Which 12AX7 tube is best for long life?
  • Which 12AX7 tube is best for budget use?
  • Which 12AX7 tube is best for vintage-style tone?
  • Which 12AX7 tube is best for recording?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 tubedepot.com 5/5 11 $2
2 tubeampdoctor.com 5/5 7 $1
3 thetubestore.com 4/5 4 $0
4 watfordvalves.com 3/5 3 $0
5 reverb.com 3/5 2 $0
6 sweetwater.com 3/5 2 $0
7 tubesandmore.com 4/5 1 $0
8 ebay.com 3/5 1 $0
9 groovetubes.com 3/5 1 $0
10 jj-electronic.com 3/5 1 $0
11 vacuumtubes.net 3/5 0 $0
12 amazon.com 2/5 0 $0
13 electro-harmonix.com 2/5 0 $0
14 parts-express.com 3/5 0 $0
15 fender.com 3/5 0 $0
16 marshall.com 3/5 0 $0
17 mullard.com 2/5 0 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →