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The EF86 is a high transconductance sharp cutoff pentode vacuum tube with Noval (B9A) base for audio-frequency applications.
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tube base microphony pentode applications noise similar ma b9a gain used vacuum produced many variant audio type transconductance mullard cutoff
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| EF86 | Amplification factor | 185 (45dB) | 1.00 | infobox |
| EF86 | Cathode type | Indirectly heated | 1.00 | infobox |
| EF86 | Classification | Pentode | 1.00 | infobox |
| EF86 | Filament current | 200 mA | 1.00 | infobox |
| EF86 | Filament voltage: | 6.3 V RMS or dc | 1.00 | infobox |
| EF86 | Max current | 6 mA | 1.00 | infobox |
| EF86 | Max dissipation Watts | 1 W | 1.00 | infobox |
| EF86 | Screen voltage | 200 V | 1.00 | infobox |
| EF86 | Service | Audio frequency | 1.00 | infobox |
| EF86 | is a | high transconductance sharp cutoff pentode vacuum tube with Noval | 0.90 | text |
| tape recorder input stages | instance of | Although used in circuits | 0.80 | text |
| instrument amplifiers | instance of | Although used in circuits | 0.80 | text |
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