File:2A3 schematic Thordarson 1937.png
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| Description |
English: A typical 1930s public address amplifier - adapted from the 1937 Thordarson brochure (the original had 4, not 2 output tubes) Русский: Типичный недорогой усилитель 1930-х на триодах прямого накала - по материалам Thordarson, 1937 |
| Date | |
| Source | Own work |
| Author | Retired electrician adapted from Thordarson 1937 brochure page 6 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:55, 1 January 2017 | | 2,247 × 892 (98 KB) | Retired electrician (talk | contribs) | 2.5!!! |
| 08:53, 1 January 2017 |  | 2,247 × 892 (103 KB) | Retired electrician (talk | contribs) | {{Information |Description={{en|A typical 1930s public address amplifier - adapted from the 1937 Thordarson brochure (the original had 4, not 2 output tubes)}}{{ru|Типичный недорогой усилитель 1930-х на триодах пр... |
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