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Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only.

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Old 16th Sep 2019, 6:50 pm   #1
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Default Ekco U29

having almost finished my u29,and very nice it looks as well,a problem still persists,vloume is faily low with only 1 or 2 channels on each waveband,volume increases abit when hand is placed near the frame aerial,also dial lamp only shows as 3volts and is dim,when removed lamp conections show 6.5 volts which i believe is correct
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Old 16th Sep 2019, 8:32 pm   #2
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Default Re: Ekco U29

Not seen one of these but the bulb is rated at 300ma in a 200ma heater chain plus the HT current, it also has a 37ohm resistor across it so it will not be bright.

What work have you done on the set, an earlier post states you have changed most of the old caps, which ones?

It’s a short superhet so designed for local stations.
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Last edited by Nuvistor; 16th Sep 2019 at 8:37 pm. Reason: Correction added HT current
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Old 17th Sep 2019, 5:27 am   #3
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Default Re: Ekco U29

work carried out so far is to change all the large wax caps plus 1 electrolitic,also replaced several cables that had crumblng insulation,all valves checked and ok ,(cch35 replaced,)speaker removed cleaned and refitted
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Old 17th Sep 2019, 8:04 am   #4
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Default Re: Ekco U29

Presume you have checked voltages etc and they are ok, after that try injecting a signal at the different stages in the radio to try and see were the loss of gain is occurring.
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Old 17th Sep 2019, 1:34 pm   #5
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Default Re: Ekco U29

just tried another cch35(borrowed)and all is so much better,goes to show when you get a valve off ebay discribed as NOS as new,dont like me assume it is ,lesson learned turned out well nice little set,pics to follow
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Old 17th Sep 2019, 4:00 pm   #6
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Default Re: Ekco U29

As promised, picture of the radio
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Old 17th Sep 2019, 7:35 pm   #7
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Default Re: Ekco U29

Looks nice, pride of someone’s sideboard around 70 years ago.
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