UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Ferguson 3214 (3 speed 4 track mono) - "ingenious" modification to record level meter

TonyDuell · 12th Aug 2019, 5:58 pm

My Agaphone wire recorder uses the same neon (on the panel) both as a recording level indicator (as described here) and, when you press one of the keys, as part of a relaxation oscillator to put a 'beep' on the recording.

12th Aug 2019, 5:58 pm	#7
TonyDuell Dekatron Join Date: Jun 2015 Location: Biggin Hill, London, UK. Posts: 5,224	Re: Ferguson 3214 (3 speed 4 track mono) - "ingenious" modification to record level m My Agaphone wire recorder uses the same neon (on the panel) both as a recording level indicator (as described here) and, when you press one of the keys, as part of a relaxation oscillator to put a 'beep' on the recording.