Defiant MSH 646
| Year of manufacture: | ? |
| Manufacturer: | Co-operative Wholesale |
| Country of origin: | Great Britain (UK) |
| RF/IF Circuit: | Superhet with RF-stage, ZF/IF 128 kHz, 6 AF stages |
| Wavebands: | SW, MW, LW |
| Cabinet: | Bakelite |
| Loudspeaker: | Dynamic |
| Valves: | 9: NR51 VHT4 AC/VP1 AC/VP1 V914 |
| AC/HLDD AC/HLDD AC2/Pen 1805 | |
| Power Supply: | AC 110-220 V |
| Power Out: | 3 W |
| Price: |
