UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - So I've bought a pair of red BT intercom phones...

OscarFoxtrot · 11th Jun 2018, 5:23 pm

The buzzers are easily replaceable with 9 volt buzzers.

Unfortunately without a wiring diagram we'll have to work it out from first principles.

11th Jun 2018, 5:23 pm	#13
OscarFoxtrot Heptode Join Date: Apr 2011 Location: Edinburgh, UK. Posts: 805	Re: So I've bought a pair of red BT intercom phones... The buzzers are easily replaceable with 9 volt buzzers. Unfortunately without a wiring diagram we'll have to work it out from first principles.