Climax 90 Schematic purchase
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| Climax 90 (Rider : Climax 7 P: 14) |
| £1.80 (~ $2.20 or €2.10) |
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| Country | USA |
|---|---|
| Manufacturer | Climax Radio & Television Co, Inc.; Chicago (IL) |
| Alternative Name | Amplitron |
| Model | 90 "The angry face" - Climax Radio & Television Co, |
| Year: 1936 | Broadcast Receiver |
| Valves | 7: 6A7 6D6 76 75 6E5 42 80 |
| Technology | Superhet IF 456 kHz |
| Tuned Circuits | 7 AM circuits |
| Wave Bands | Broadcast plus 2 Short Wave bands |
| Power Type | 106-120 Volts AC |
| Notes | The Climax model 90 can be called "The angry face" because of its scale (escutcheon), which mostly was round, not oval. Here it is oval and used also the 6G5 or 6E5 as Tuning eye, also called Magic Eye. From sfHobbies.com: "It is built in five layers. The first layer is the outer dial glass, the second layer’s glass with printed band scales and the oval labels “TONE”, VOLUME”, and ”BAND SELECTION”, the third layer is a thick black cardboard (usually faded color), the fourth layer is a blue plastic ring 3/8 inches high (almost invisible from outside; it designed to separate the 3rd and 4th layers and give a blue tint unto the background), and finally the fifth layer is a dial background image printed on a thick paper. Controls are integrated within the dial, which is not a common feature during that period of time." This model receives most probably broadcast 550 to 1700 kHz (blue), 1.8 to 6 MHz (red) and 6 to 18 MHz (yellow). |
| Source | Book: Gernsback Vol: 7 Page: 338 |
| Source | Book: Rider Vol: 7 Page: 14 |