| Country | Great Britain (UK) |
|---|---|
| Manufacturer | Armstrong Wireless and Television Ltd.; London |
| Model | FM Receiver 625 - Armstrong Wireless and |
| Year | Broadcast Receiver |
| Transistors | Semiconductors present. |
| Technology | Superheterodyne (common) |
| Wave Bands | FM Broadcast Band Only |
| Power Type | Alternating Current supply (AC) / 220/240 Volt |
| Source | MyFile: Armstrong-621_625_626.Amp.pdf |