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Silicon · 28th Nov 2019, 8:49 am

It is essential to find out if the tuning slugs are made from powdered iron or from ferrite.

They have different characteristics. My guess is that they are made of powdered iron.

28th Nov 2019, 8:49 am	#34
Silicon Nonode Join Date: Jun 2007 Location: Coulsdon, London, UK. Posts: 2,169	Re: RCA AR88D Comms Receiver. It is essential to find out if the tuning slugs are made from powdered iron or from ferrite. They have different characteristics. My guess is that they are made of powdered iron.