11 TUBES
| TUBE | FUNCTION |
| 6DC6 | 1st R.F. |
| 6BY6 | 1st Mixer |
| 6BY6 | 2nd Mixer |
| 6BY6 | 3rd Converter |
| 12AU7 | Product Detector |
| 6BF6 | AVC amplifier & rectifier |
| 6AB4 | Crystal Oscillator |
| 6BQ7A | V.F. Oscillator |
| 12AU7 | L.F. Oscillator and 1st Audio |
| 12AQ5 | Output Audio |
| 12X4 | Rectifier |
Source : Makoto Takazawa ( JA1XS ) - Yokohama-Japan