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Old 27th Jun 2017, 11:04 pm   #3
Andrewausfa
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Join Date: Dec 2010
Location: St Ives, Cambridgeshire, UK.
Posts: 1,180
Default Re: Cossor Melody Maker 494 A.C. Valve radio

Ideal set to start with I'd say.

Capacitors wise, you'll want and you may as well get 10 of each but in brackets what you actually need: 100nF (3). 4.7nF (3) 22nF (1) all at 630v. One of the 4.7nF is on the output transformer check that as it may be a 1000v component. You want axial polyester film or just search for MKT1813.

Electrolytics: 32uF (1) 16uf (1) these are in the big can and rated at 450 volts. Then there is a seperate 25uf (modern 22uF) rated at 25v.

Loads of place to get these all from, RS, Farnells etc. Handy conversion chart for uF-mFd-nF here http://www.justradios.com/uFnFpF.html

I bought a large shank of strong beading string which rubbed with a little wax seems to work for dial cord.

Andrew
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