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Old 15th July 2002, 04:15 PM   #1
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Location: Denver, CO
Default Found 2000 tubes and gear

Hello All!

I am shutting down a research and development laboratory (200,000 sq ft, 80 acres) that is 45 yrs old and found lots of tubes (2000 or more) still in original boxes. (This facility had an electronics lab and shop). Also, found lots of old electronic eqt such as tubed ocilliscopes, signal generators, etc. Lots of power transformers and other old electronic eqt. Also found old Altec Lansing Public Address eqt along with old Gerrard turntable. Still finding things daily! There is no shortage of old electronic eqt most of which I have no idea what it does!

I did research a bit on the tubes by viewing Vacuum Tube Valley's list of tubes (wwww.vacuumtube.com).

I know nothing about tubes, audio eqt but want to learn. I will be discarding lots of eqt unless I identify and hold on to this eqt. I don't have much time since demolition will begin soon.

Here's my question. Assuming some of this stuff is valuable to someone (if not me sometime in the future when I can learn to build diy stuff), how should I go about identifying good eqt (and parts of good equipment) for storage. Please note that much of this eqt is very specialized gear designed and used in a laboratory and research capacity.

Any help would be greatly appreciated! I would really hate to landfill some vintage pieces!
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Old 15th July 2002, 04:41 PM   #2
dice45 is offline dice45  Germany
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fragman65,

keep those tubes, all of them. Later make a list of types and post it here. Tubes do not occupy much space. And you can offer to tube distributirs or to us what you do not intend to keep.

Gear: keep the oscilloscopes and signal generators looking best inside.
You can decide later if to use them or to slaughter them and salvage part and components you could not buy nor afford today.
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Old 15th July 2002, 05:21 PM   #3
Apex Jr is offline Apex Jr  United States
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This is how I make my living, companys going out of business
items being discontinuted or just sizing down. You might
have found GOLD...
Depending on what this lab was doing some of the old gear
is more vaulable now than it was when it was new
Western Electric being on the top, Tek has a Tube curve
tracer which are really hard to find (570) ........
The scopes you have if not working still might be good
for there tubes inside some tek scopes have european
types. And then the transformers, some values are
also hard to find and then can be costly.
Steve
Apex Jr
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Old 15th July 2002, 05:33 PM   #4
grataku is offline grataku  United States
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No matter what you do don't give anything to Apex Jr. He's gonna screw you!
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Old 15th July 2002, 05:45 PM   #5
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Where are you? There is bound to be someone in your area that can help you identify what is worth keeping and be willing to salvage parts from gear that is landfill fodder. I often pick up old unworking scopes and get what I want out of them and then give them on to a guy that will finish tearing it down so he can sell the alum. All that stuff has value even if just for scrap. If you are in the Texas area you can sell that stuff at the 1st Saturday Electronic flea market in Dallas. If you are in the Texas area I will come and haul off all you don't wan't.
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Old 15th July 2002, 06:04 PM   #6
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Default old eqt.

Thank you all for your quick response.

Dice 45--So I'll store most of the stuff and decide later what is of value.

Apex Jr--I don't know about Western Electric but I may run into anything here. Do know that we have some old HP gear. I guess I should keep all the carbon resistors and the like (whatever that is?)

Thatch Ear--I am located in Colorado. What kind of business does one contact? PC recycler? Metal salvage company?

Thanks again,

Rick
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Old 15th July 2002, 06:41 PM   #7
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Rick,
If you are in the Denver area call Ron Welbourne at (303) 470-6585. He has been in the business a long time. If you are not in the Denver area call him anyway as he should know most the guys up around there. If he wants to buy some of the tubes from you barter. He has kits, books, caps , resisters, wire, RCA plugs, well you get the idea. He will come out ahead because this is how he makes his living, but since it is not costing you, you might end up with a world class tube amp and some fancy cables for next to nothing. Horse trading will often get you more because he knows how much his stuff cost him and how much he can make off what he wants from you. And don't tell him you aren't paying for it, just that you can't keep all the stuff besides the tubes, the Altec system, turntables and selct pieces of test gear. He has to understand that you are keeping all the stuff that he would want before you start bargaining. Good luck and let us know how it works out for you.
Thatch

P.S. He has a catalog, get him to bring one for you.
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Old 15th July 2002, 07:31 PM   #8
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Default old eqt.

Perfect!

Great contact! I will get in touch with him soon.

Hey, while on this subject, below is a list of some of the tubes found. What do you think? Which should I keep for my personal (future) use? (These are simply the ones found that correspond to a list of tubes from Vacuum Tube Valley; there are lots more but I have not inventoried yet)




1L6
5AR4
6AM6
6AN8
6AQ5
6AS7G
6BG6G
6C4
6CG7
6CL6
6DJ8
6E5
6FQ7
6GH8A
6L6GC
6SJ7
6V6GT
12AX7
12AT7
12BH7
12BY7
5691
5692
5751
5763
5963
5965
6080
6201
6267
6922
7044
7247
7308
7591
EL34
EL84

Thanks again,
Rick
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Old 15th July 2002, 08:39 PM   #9
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Default Re: old eqt.

I'm no tube expert (yet), but some that i know are short listed are all worth playing with.

5AR4
6AQ5
6AS7G
6BG6G
6C4
6CG7
6DJ8
6L6GC
6SJ7
6V6GT
12AX7
12AT7
12BH7
12BY7
6080
6922
EL34
EL84

just don't toss anything. You can probably eBay some select stuff to pay storage (ie if you have any Telefunken EL84 or 12AX7s (found in Tek scopes too) they fetch good $$$. And even things like the tube sockets in those scopes are worth salvaging.

dave
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Old 15th July 2002, 08:45 PM   #10
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A good place to check on market prices on tubes is <www.tubeworld.com/> some of those tubes you listed can be worth quite a bit depending on brand, how they test and the number you have if they are new in the original boxes. Lots of tricky stuff going on too. 5AR4 is one you listed. If you have one that is in a GE box and is labeled GE, if it has made in Great Britian on it, it will be worth maybe 3 times as much as a GE made in the US. A 6DJ8 made by Amperex that has a Bugle Boy logo on the tube is worth much more than a GE and the more intact the logo is on the tube the more it is worth so be careful handling the tubes. A 5751 thats interior plates are black are worth more than ones that are grey. A Telefunken 12AX7 that has ridges on the plate is worth less than one that is smooth and both are worth more the more intact the logo is. Back to the 5AR4. The one made in Great Britian is a Mullard. If is has the Mullard logo on it it is worth more than the one relabled GE even though it is the same tube. Or basically. There are production runs that date the tubes and that can make a difference on value too. Now that I have you really going I want you to know that I am no where near expert.
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