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In Reply to: RE: What is the life expectancy of a restored Sherwood S-5000 posted by airtime on March 14, 2015 at 15:57:59
If you keep it well ventilated and dry and keep good tubes in it,it will last a super long time..The only thing that really wears out in an amp are capacitors and tubes..Everything else has virtually an unlimited life such as transformers and resistors and diodes...Those are like glass..Glass never wears out but outside forces can break glass just as shorted tubes or over heating can kill a transformer.
"If it measures good and sounds bad, it is bad; if it measures bad and sounds good, you have measured the wrong thing."
- Daniel R. von Recklinghausen
Follow Ups:
Still using my Scott 299A which I bought in still-working but unrestored condition in 1997, but used anyway. I restored it properly in 2004. It's been moved across state lines and used a great deal. Still works, no problems whatsoever. Capacitors & tubes have been replaced and bias set but no real failures of anything.
Transformers can last an extremely long time when we are dealing with well-made equipment. I have a brass-blade fan from about 1915 and all 3 speeds still work on the original crude transformer. I still use it. It's not audio equipment, but still says something about transformer life when the build quality is good. The motor's bearings are going to fail on that thing before the transformer does.
make sure this thing out live me. Or least my hearing.
..my mom would have been 55 years old. We had just aded a new living room on our house, and mom wanted Wall-to-Wall carpet on the floor. A color called "bitter green" was all the rage, as we were in the middle of the period of infatiation with green and harvest gold. Bitter green was a bit more of a pure green than the more yellowish avocado green.
So we went over to Montgomery Wards in Minot, and mom found some bitter green nylon carpet she liked, and it was on sale for $6.49 a sq yard.
Mom thought that was a very good deal (it was, as it was a carpet that stickered for about $12 a yard), but she was also worried.
So, she said to the salesman "Is that carpet you have on sale durable?"
The salesman (who was probably about my mom's age..he had worked at Wards selling carpet probably for decades) said to my mom:
"Ma'm, This carpet is so durable it will last longer than you do!"
Mom felt a bit insulted, but she went ahead and bought the carpet.
The interesting thing is that carpet is still in the farm living room, and although it isn't exactly new any more, it still looks quite good and is not worn.
Mom died in 2004.
I remember after they laid it we discovered a tiny spot where the carpet looper machine missed a stitch or loop. Wards actually came out with a device they had and replaced the loop. I think they took a thread from the scrap piece of carpet.
Montomery Wards was a good store, better in many ways than Sears.
I don't know if you still live near Minot, but holy moly has that town changed in the past 5 years - oil booms will do that I guess.
I get up there every month or so for work.
Meat; It's the right thing to do. Romans 14:2
I'm in Lexington KY most of the time but have a house in Plaza ND where the stereo console is. I will be up there off and on over the summer.
Plaza is 43 miles SW of Minot
Minot now has a Five Guys AND an Olive Garden.
Here is the exact Wards stereo we bought in 1966 to go on the bitter green carpet I think we got it on sale for $169. We still have it.In this photo, you get to see the stereo in the photo AND the green carpet. My nephew shown is now in his 40s. He plays acoustic guitar as part of his work.
https://scontent-ord.xx.fbcdn.net/hphotos-ash2/t31.0-8/q92/s960x960/1015196_10201655155487182_1713373554_o.jpg
https://scontent-ord.xx.fbcdn.net/hphotos-xfa1/v/t1.0-9/995837_10201655185527933_755932026_n.jpg?oh=c64d5e279e6e507508f3367a49ddead2&oe=5583C666
Edits: 03/17/15 03/17/15
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Edits: 08/15/23
It will. The good tube stuff needs a complete going over every 50 years, or so. Given the proper maintenance, centuries of service will be delivered.
Eli D.
Mike is that true of transformer wire insulation? I wonder about 70-80yo transformers.
Dave
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