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12AX7 (also known as ECC83) is a miniature dual-triode vacuum tube with high voltage gain. Developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.
The analysis highlights History and Applications as prominent areas in the source structure around 12AX7.
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Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
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The extracted context around 12AX7 shows recurring relationship patterns in the source. For example, 12AX7 → Company, ECC83, Electro-Harmonix, Guiguang, Hengyang Electronics, In China, In Russia, JJ Electronic, Mullard, New Sensor, Psvane, Slovakia, Southern China, Sovtek, Svetlana, TAD, Tianjin Quanzheng, TJ Full Music, Tubes, Tung-Sol Another extracted example is 12AX7 → AC, Grid, Miller, Thus, Typically. Use these groups to spot repeated connection types before inspecting the individual relationships.
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tube voltage tubes triode cathode gain resistor ecc83 plate use vacuum audio also heater 12 amplification factor used 100 displaystyle
TTTA extracted 48 structured relationships around 12AX7. Examples in this analysis include 12AX7 → Amplification factor → 100 and 12AX7 → Anode current → 1.2 mA. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 12AX7 | Amplification factor | 100 | 1.00 | infobox |
| 12AX7 | Anode current | 1.2 mA | 1.00 | infobox |
| 12AX7 | Anode resistance | 62.5 kΩ | 1.00 | infobox |
| 12AX7 | Anode voltage | 250 V | 1.00 | infobox |
| 12AX7 | Bias voltage | −2 V | 1.00 | infobox |
| 12AX7 | Cathode type | Indirectly heated | 1.00 | infobox |
| 12AX7 | Classification | Dual triode | 1.00 | infobox |
| 12AX7 | Diameter | 0.8 in (20 mm) | 1.00 | infobox |
| 12AX7 | Heater current | 150 mA (series) 300 mA (parallel) | 1.00 | infobox |
| 12AX7 | Heater voltage | 12.6 V (series) 6.3 V (parallel) | 1.00 | infobox |
| 12AX7 | Height | 2.2 in (56 mm) | 1.00 | infobox |
| 12AX7 | Max dissipation Watts | 1 per section | 1.00 | infobox |
| 12AX7 | Max voltage | 300 V | 1.00 | infobox |
| 12AX7 | Service | Class-A amplifier | 1.00 | infobox |
| 12AX7 | is a | twin triode basically composed of two of the triodes from a 6AV6 | 0.90 | text |
| 12AX7 | is a | high-gain | 0.90 | text |
| 12AX7 | is a | most common member of what eventually became a large family of twin-triode vacuum tubes | 0.90 | text |
The concept neighborhoods around 12AX7 bring nearby vocabulary together. In this analysis, examples include Ecc83, Tubes and Voltage. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For 12AX7, one of the stronger structural bridges in this analysis connects 12AX7 with Similar twin-triode designs. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around 12AX7 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — 12AX7 · EN edition · Analysis: TopicsToTalkAbout
