HMV ID
-
- Victor Jr
- Posts: 24
- Joined: Thu May 10, 2018 2:03 pm
- Personal Text: Gramophone collector
- Location: British Columbia, Canada
Re: HMV ID
Very similar to the inside of the HMV 551. Uses the very latest PX4 output valve, only introduced in 1929, so slightly later than the 551, which uses a Mullard DO20 output valve. This doesn't look like a re-hashed Marconiphone machine to me, so who designed the radio section of it?