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25 year old ,never used amp, Safe to turn on?

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wplash666

25 year old ,never used amp, Safe to turn on?
« on: 12 Jul 2021, 09:05 am »
Curious about the shelf life of a Bryston amp. Saw an 25 year old amp for sale that has never been used and wondered if you would just plug it in and use it as a new amp?
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FullRangeMan

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Re: 25 year old ,never used amp, Safe to turn on?
« Reply #1 on: 12 Jul 2021, 09:11 am »
Use a Variac to do a slow soft start to dont damage the capaitors.
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Jozsef

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Re: 25 year old ,never used amp, Safe to turn on?
« Reply #2 on: 5 Aug 2021, 05:32 am »
You can also connect it first with an incandescent light bulb in series with the device for some minutes to lower the current and charge the caps gradually. I made one out of an extension cord and a light socket. A low wattage bulb is preferable but not critical. I used a 25 watt one.
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SteveFord

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Re: 25 year old ,never used amp, Safe to turn on?
« Reply #3 on: 5 Aug 2021, 09:15 am »
Even with a variac you may see smoke.
One of my 3B Pros did that.
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wplash666

Re: 25 year old ,never used amp, Safe to turn on?
« Reply #4 on: 8 Aug 2021, 03:21 am »
The gentleman I purchased the amp from was the son of a recording engineer in Florida . He said the amp was powered up annually to maintain the caps, but was never used in the studio or otherwise . What ever was done or not done the amp looks and works like new.
I took the lid off and not a spec of dust, even smelled new. Anyway , I got lucky , mint condition 25 year old 3B-ST. I love it.
Thanks for the replies.
 
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