Telefunken Operette 50 (operetta)
| manufacturer | Telefunken | |
| type | Operette 50 | |
| circuitry | 6-circuit-superhet | |
| circuits | 2 tunable, 4 fixed | |
| bands | SW, AM, LW, prepared for FM-unit | |
| IF | 472 kHz | |
| HF-rectification | diode | |
| antifading | on 2 tubes | |
| speaker | perm.-dyn. 6W, 200 mm Ø ( 8" ) | |
| specials | bass boosting through negative feedback, tone-compensated | |
| volume control, band width switch | ||
| power supply | model W (imaged) for AC, model A for all-mains | |
| voltages | 110/125, 220V | |
| power consumption | W: ca. 50W A: ca. 40W | |
| fuse | W: 0,6A A: 0,4A | |
| dial lamp | W: 6V 0,3A A: 18V 0,1A | |
| cabinet | plastic | |
| dimensions | 450 x 300 x 210 mm ( 18 x 12 x 8.4" ) | |
| weight | 9 kg ( 19.9 lbs ) for AC, 7 kg ( 15.5 lbs ) for all-mains | |
| tubes | W: ECH 11, EBF 11, EM 11, EL 11 (ECL 11), AZ 11, FM-unit EF 11 | |
| A: UCH 11, UBF 11, UM 11, UL 11, UY 11, FM-unit UF 11 | ||
| price when introduced | DM 268,-- | |
| DM 299,-- with FM | ||
| introduced | 1950/51 |
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