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Old 25th Jan 2012, 8:56 pm   #20
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Join Date: Oct 2003
Location: Croydon, Surrey, UK.
Posts: 5,577
Default Re: Bush VHF61, my first restoration attempt.

Originally Posted by Bassette View Post
a friend suggests that this may be due to the first valve V1 --- ECC 85 because this one is not showing much glow compared to the others?
He may be right about the ECC85 but not for the reason he gave. Valves do not 'go dim' when they fail unless you crack one and then it won't light up at all! The heaters are probably fine but just not as visible.

More likely it's just low emission...worn out. However don't forget you need an aerial for VHF, preferably a proper dipole but you should be able to receive something with just a piece of wire about two feet long if everything is OK. If not then try a new ECC85

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