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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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17th Mar 2023, 12:45 am | #21 | |
Banned
Join Date: Nov 2014
Location: Derry, Northern Ireland, UK.
Posts: 167
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Re: Using vintage capacitors in restorations
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(excuse me for side traking the thread a little bit folks) |
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17th Mar 2023, 1:53 am | #22 |
Octode
Join Date: Mar 2016
Location: London, UK.
Posts: 1,050
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Re: Using vintage capacitors in restorations
Someone I work with inherited a Trinitron monitor from the video production firm across from our unit a couple of years back. We were speaking today and he told me that he'd re-capped the electrolytics, which had been a time consuming experience. I said to him 'I bet they all tested within tolerance after removal', to which he replied 'yep'.
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17th Mar 2023, 9:49 pm | #23 |
Dekatron
Join Date: Jan 2003
Location: Bradford on Avon, Wiltshire, UK.
Posts: 3,310
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Re: Using vintage capacitors in restorations
Most of my polyester caps date from the 70’s& 80’s. Mostly cylindrical but a good number of those little yellow rectangular Philips types. All those I have used so far have been fine.
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"Nothing is as dangerous as being too modern;one is apt to grow old fashioned quite suddenly." |
18th Mar 2023, 12:02 pm | #24 | ||
Dekatron
Join Date: Aug 2003
Location: near Reading (and sometimes Torquay)
Posts: 3,099
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Re: Using vintage capacitors in restorations
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20th Mar 2023, 5:44 pm | #25 | |
Octode
Join Date: Mar 2016
Location: Knutsford, Cheshire, UK.
Posts: 1,497
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Re: Using vintage capacitors in restorations
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I have tested 40 year old caps, well used and they still measure fine in most cases. In my experience, it's pretty rare for a serious failure unless they are subject to excess heat (ie near a heatsink that runs a bit warm) or some other part has malfunctioned to put the capacitor under enormous stress causing it to fail through no fault of its own.
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...where on earth did that spring/screw go?? |
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