National HRO-7
| Type: | HF receiver |
| Frequency range: | 50-430 KHz / 0.48-30 MHz |
| Mode: | AM/CW |
| Receiver system: | |
| Sensitivity: | |
| Selectivity: | |
| Image rejection: | |
| Voltage: | Mains |
| Power consumption: | ? |
| Impedance: | 50 ohms / ? |
| Dimensions (W*H*D): | ? mm |
| Weight: | ? Kg |
| Manufactured: | USA, 1947-1949 (Discontinued) |
| Other: | 11 tubes + voltage regulator |
| Related documents: | |
| Modifications: | |
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