Marconi 560AC speaker repair. - UK Vintage Radio Repair and Restoration Discussion Forum

radiograham · 25th Feb 2018, 12:20 am

I Have removed the speaker from this Marconi Radio for repair, It is a large permanent magnet type and there are metal flakes in where the speech coil sits. I removed the cone which used a cloth/fabric surround glued to the inside of the cone edge and onto the frame. This was rotted and needed replacing. I wondered if any one would know what would be a suitable material to use for this and has experience of the best way of going about it.

GeoffK · 26th Feb 2018, 11:01 am

You could try elasticated fabric or cambric fabric glued with PVA wood glue or flexible polyurethane adhesive. There are ready made cone surrounds that could be used.

radiograham · 27th Feb 2018, 3:22 am

Yes I thought something along those lines. I looked at another speaker I Have and that looked like Elastoplast fabric tape, I have tried this and It works Fine.

crackle · 27th Feb 2018, 7:57 am

I used ripstop nylon to replace the outer surround on an 87 year old speaker. http://www.golbornevintageradio.co.u...72192#pid72192

Mike

25th Feb 2018, 12:20 am	#1
radiograham Hexode Join Date: Oct 2017 Location: Manchester, UK. Posts: 363	Marconi 560AC speaker repair. I Have removed the speaker from this Marconi Radio for repair, It is a large permanent magnet type and there are metal flakes in where the speech coil sits. I removed the cone which used a cloth/fabric surround glued to the inside of the cone edge and onto the frame. This was rotted and needed replacing. I wondered if any one would know what would be a suitable material to use for this and has experience of the best way of going about it.

26th Feb 2018, 11:01 am	#2
GeoffK Heptode Join Date: Mar 2016 Location: Essex, UK. Posts: 602	Re: Marconi 560AC speaker repair. You could try elasticated fabric or cambric fabric glued with PVA wood glue or flexible polyurethane adhesive. There are ready made cone surrounds that could be used. __________________ *Geoff*

27th Feb 2018, 3:22 am	#3
radiograham Hexode Join Date: Oct 2017 Location: Manchester, UK. Posts: 363	Re: Marconi 560AC speaker repair. Yes I thought something along those lines. I looked at another speaker I Have and that looked like Elastoplast fabric tape, I have tried this and It works Fine.

27th Feb 2018, 7:57 am	#4
crackle Rest in Peace Join Date: Mar 2011 Location: Basildon, Essex, UK. Posts: 4,100	Re: Marconi 560AC speaker repair. I used ripstop nylon to replace the outer surround on an 87 year old speaker. http://www.golbornevintageradio.co.u...72192#pid72192 Mike