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Philips D 78 A
| Type | Philips D 78 A | |
| tubes | ECH 4, ECH 4, EBL1, AZ 1 | |
| circuits | 6, superhet | |
| ranges | 17,5 - 52, 195 - 575 and 800 - 2000m (SW, AM, LW) | |
| i.f. | 473 kHz | |
| hf-rectifier | diode | |
| antifading | to 2 tubes | |
| bandwidth control | 2-stage combined with tone control | |
| i.f. wave trap | available | |
| reverse feedback | to 2 tubes working | |
| volume control | continuous with power switch | |
| tone control | continuous | |
| bass boosting | available | |
| speaker | perm-dyn. 10W, Ø 210mm | |
| pick-up | available | |
| connector for 2. speaker | impedance 5 Ohm | |
| dial lamp | 2 x 6,3V, 0,3A | |
| power supply | 120 / 220V | |
| power consumption | 50W at 220V | |
| cabinet | wood | |
| dimensions | 492 x 329 x 211mm (19,7 x 13,2 x 8,4" ) | |
| weight | 9,4 kg ( 20,75 lb. ) | |
| introduced | 1947 - 49 | |
| price when introduced | 648 RM ( Reichsmark ) |
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