Author Topic: EEVblog #559 - Auction Score  (Read 51401 times)

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Offline Luckymat

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Re: EEVblog #559 - Auction Score
« Reply #125 on: December 24, 2013, 03:08:05 pm »
So... when you do giveaway?
Please read. He is selling them inside Australia, keeping the occasional item for himself. Score as it was, those items weren't cheap. So no giveaway.

ahh... i didnt read this.... bad luck.. no giveaway :(
 

Offline Winston

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Re: EEVblog #559 - Auction Score
« Reply #126 on: December 24, 2013, 05:59:41 pm »
Drooling over those TDS3054s. Obsolete?! Apparently many institutions think so for some reason as there are 39 on US eBay right now, many from Australia:

http://www.ebay.com/sch/i.html?_odkw=tds3054&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313&_nkw=tds3054&_sacat=0

Here are the closest spec'ed 'scopes from the US fedgov's central auction site; everything else I find there is older:

TDS3032C

http://www.govliquidation.com/auction/search?cmd=results&fromsearch=true&words=TDS%203032C

DSO5032A

http://www.govliquidation.com/auction/search?cmd=results&fromsearch=true&words=dso5032a

It'll be interesting to see how much those go for. In my experience bidding years ago, used test equipment firms bid the decent test equipment to fairly large figures.
 

Offline mfeinstein

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Re: EEVblog #559 - Auction Score
« Reply #127 on: December 24, 2013, 07:21:05 pm »
Dave, can you explain more this Low Voltage Ohm meter you showed in the DMM916? I have a Fluke 87V and I don't have this haha so I have no clue on the benefits...thanks!
 

Offline mfeinstein

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Re: EEVblog #559 - Auction Score
« Reply #128 on: December 24, 2013, 07:53:49 pm »
Also, what are this golden pads around the BNC in the Tektronix?
 

Offline jancumps

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Re: EEVblog #559 - Auction Score
« Reply #129 on: December 24, 2013, 08:17:34 pm »
Also, what are this golden pads around the BNC in the Tektronix?
the matching probes from Tek have contacts that match these pads. The scope can give power to the probes, and the probes can feed back info to the scope (am I in x10/x100 mode).
 

Offline mfeinstein

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Re: EEVblog #559 - Auction Score
« Reply #130 on: December 24, 2013, 09:05:36 pm »
Interesting, I always wanted a scope that could be controled by the probes so I dont need to turn the knobs while I don't have where to place the probes....I know this could maybe cause interference with small signals, but it will be great...if someone steals this idea of mine, please at least give me a free unit :D (percentage of the profits are most welcome too haha)
 

alm

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Re: EEVblog #559 - Auction Score
« Reply #131 on: December 24, 2013, 10:41:43 pm »
Tektronix had a 'probe ID' button on probes in the eighties (e.g. P6137A). Could be set to several functions on some scopes (24xx? 11xxx?). They discontinued that feature; I don't believe any of their current probes have that feature.
 

Offline retiredcaps

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Re: EEVblog #559 - Auction Score
« Reply #132 on: December 24, 2013, 10:49:06 pm »
Dave, can you explain more this Low Voltage Ohm meter you showed in the DMM916?
From Tektronix DMM916 manual ...

"LV setting reduces the maximum test voltage level to 0.4 V to avoid turning on semiconductor devices. Display
count changes to 4,000."
« Last Edit: December 24, 2013, 10:50:59 pm by retiredcaps »
 

Offline mfeinstein

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Re: EEVblog #559 - Auction Score
« Reply #133 on: December 24, 2013, 11:37:14 pm »
I thought the good DMMs regulated the current to avoid this kind of thing...but even if the low current wont turn Vcc on, the voltage could still trigger a CMOS gate that is already powered...I think once I measured the Fluke 87V as 7V for continuity, I don't know why they choose it and why they dont make it low voltage as well
 

Offline Goophy629

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Re: EEVblog #559 - Auction Score
« Reply #134 on: December 25, 2013, 05:55:37 am »
truly boots of loot, awesome~

As many points out, would love to see some giveaway later  ^-^

BTW, why they would sell the gears with all the labels with the ID/names/etc. on? Aren't these supposed to be kind for internal use only?
 

Offline Goophy629

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Re: EEVblog #559 - Auction Score
« Reply #135 on: December 25, 2013, 06:02:55 am »
TDS220 obsolete?

Obsolete yes, but still very useful.  I still use my TDS210 all the time over my Rigol 4000 series.  Like Dave said, no fan, completely silent, a pleasure to use when appropriate!

Yeah.. I know. Kinda hurts to see 100% working DPO3054 to be declared to be obsolete. No wonder Armies need such huge budgets..

I guess they're doing things at a higher level than the majority, so their baseline is basically higher than us   :-//

what really hurts is the "return for disposal" part  :palm:
« Last Edit: December 25, 2013, 06:06:07 am by Goophy629 »
 

Offline jancumps

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Re: EEVblog #559 - Auction Score
« Reply #136 on: December 25, 2013, 09:42:18 am »
...

BTW, why they would sell the gears with all the labels with the ID/names/etc. on? Aren't these supposed to be kind for internal use only?

Removing them is work.
 

Offline Rasz

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Re: EEVblog #559 - Auction Score
« Reply #137 on: December 25, 2013, 09:57:34 am »
Im afraid it wont end well (financially) for Dave. Those "sales" end up being bought by suckers and people specializing in providing legacy support/equipment = they pay premium. It will take ages to sell all this old crap while it takes shelve space and is frozen capital.
Who logs in to gdm? Not I, said the duck.
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Offline EEVblog

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Re: EEVblog #559 - Auction Score
« Reply #138 on: December 25, 2013, 10:23:28 am »
Im afraid it wont end well (financially) for Dave. Those "sales" end up being bought by suckers and people specializing in providing legacy support/equipment = they pay premium. It will take ages to sell all this old crap while it takes shelve space and is frozen capital.

All 4 items I have currently listed have bids on them. Little doubt the rest will sell also. And I haven't listed the 3054's yet.
 

Offline jancumps

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Re: EEVblog #559 - Auction Score
« Reply #139 on: December 25, 2013, 10:59:15 am »
Im afraid it wont end well (financially) for Dave. Those "sales" end up being bought by suckers and people specializing in providing legacy support/equipment = they pay premium. It will take ages to sell all this old crap while it takes shelve space and is frozen capital.
But why is one buyer ok, and the other a sucker? In an auction the price is always fair because it's open bidding.
 

Offline Rasz

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Re: EEVblog #559 - Auction Score
« Reply #140 on: December 26, 2013, 10:03:13 am »
Im afraid it wont end well (financially) for Dave. Those "sales" end up being bought by suckers and people specializing in providing legacy support/equipment = they pay premium. It will take ages to sell all this old crap while it takes shelve space and is frozen capital.
But why is one buyer ok, and the other a sucker?

A sucker is a guy buying this because he thinks its 'vintage' :) there are people that will buy older stuff, be it cars, radios, clothes, just for the sentimental value. Some stuff can be superior, but as soon as its 'vintage' you will get suckers coming out of the wood work overpaying compared to modern superior products.

The other kind are people feeding on suckers, they dont care what it is, they usually dont even know anything other than perceived sucker value of a thing. Every time you look at some old piece of garbage with ridiculous price at ham convention, car show or computer market it is being sold by those people.

In the past I dealt with this phenomenon in car, audio(mostly audiophools), and computer business. My favorite was a permanent computer market stall selling outdated, but not yet 'vintage' computers around 1993. They had Atari, Amiga, old Apple, + accessories, all listed at ~5-10x the usual price. They made 1-2 sales a day, but it was enough due to sucker prices.

Maybe Ebay turns this on its head and makes it extremely easy to sell versus meatspace. In meatspace it was always sitting on the junk waiting for right sucker.

Quote
In an auction the price is always fair because it's open bidding.

Oh how wrong you are :)


I highly recommend everyone listens to the whole thing.
Who logs in to gdm? Not I, said the duck.
My fireplace is on fire, but in all the wrong places.
 

Offline jancumps

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Re: EEVblog #559 - Auction Score
« Reply #141 on: December 26, 2013, 10:59:56 am »
...
Quote
In an auction the price is always fair because it's open bidding.

Oh how wrong you are :)


I highly recommend everyone listens to the whole thing.

I've seen it before (think it was posted here in a related context). Great.
 

Offline EEVblog

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Re: EEVblog #559 - Auction Score
« Reply #142 on: December 26, 2013, 11:20:01 am »
A sucker is a guy buying this because he thinks its 'vintage' :) there are people that will buy older stuff, be it cars, radios, clothes, just for the sentimental value. Some stuff can be superior, but as soon as its 'vintage' you will get suckers coming out of the wood work overpaying compared to modern superior products.

It's called a hobby.
I just bought a Sinclair C5 in crap condition. Apart from looking cool (IMO), it's a crap useless product, and absolute waste of money. But I always wanted one, so I got one.
If you don't have desire for vintage or nostalgic stuff, that's fine, but you can't go around saying that thing holds no value, because it does, to them, and many others.

 

Offline Mark Hennessy

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Re: EEVblog #559 - Auction Score
« Reply #143 on: December 27, 2013, 12:40:18 pm »
Hope it's OK to ask in this thread...

Does anyone have the service manual for those Tek DMMs? Or at least the calibration instructions? I have a DMM914 that I'd like to calibrate, and would rather not try random adjustments of the presets.

Thanks in advance,

Mark
 

Offline hikariuk

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Re: EEVblog #559 - Auction Score
« Reply #144 on: December 27, 2013, 02:45:38 pm »
A sucker is a guy buying this because he thinks its 'vintage' :) there are people that will buy older stuff, be it cars, radios, clothes, just for the sentimental value. Some stuff can be superior, but as soon as its 'vintage' you will get suckers coming out of the wood work overpaying compared to modern superior products.

It's called a hobby.
I just bought a Sinclair C5 in crap condition. Apart from looking cool (IMO), it's a crap useless product, and absolute waste of money. But I always wanted one, so I got one.
If you don't have desire for vintage or nostalgic stuff, that's fine, but you can't go around saying that thing holds no value, because it does, to them, and many others.

All items have precisely one value: what someone is willing to pay in order to own them.
I write software.  I'd far rather be doing something else.
 

Offline retiredcaps

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Re: EEVblog #559 - Auction Score
« Reply #145 on: December 27, 2013, 06:27:53 pm »
Does anyone have the service manual for those Tek DMMs? Or at least the calibration instructions?
Calibration info inside this big document

https://www.lcsr.jhu.edu/main/images/c/cb/Tektronix_DMM_254_Manual.pdf
 

Offline Rasz

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Re: EEVblog #559 - Auction Score
« Reply #146 on: December 27, 2013, 07:16:11 pm »
All items have precisely one value: what someone is willing to pay in order to own them.

This might sound nice to a lay person, but is not true. Every item has many values. What you describe is perceived value (subjective theory of value), but there is also full value, relative value, expected value, market value etc.
Mere act of owning something will bump its value due to endowment effect :)
Who logs in to gdm? Not I, said the duck.
My fireplace is on fire, but in all the wrong places.
 

Offline Mark Hennessy

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Re: EEVblog #559 - Auction Score
« Reply #147 on: December 27, 2013, 08:29:43 pm »
Does anyone have the service manual for those Tek DMMs? Or at least the calibration instructions?
Calibration info inside this big document

https://www.lcsr.jhu.edu/main/images/c/cb/Tektronix_DMM_254_Manual.pdf

Wow - that's absolutely fantastic! Thank you very much :-+
 

Offline trackman44

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Re: EEVblog #559 - Auction Score
« Reply #148 on: December 31, 2013, 03:46:11 am »
Here in Canada you can buy two Escort DMM models from http://www.tradeport.on.ca/ and here's the brochure http://www.tradeport.on.ca/dat/brochures/227.pdf, if anyone is interested. I like the Escort 99, 50,000 count, ac+dc dual display, 0.025% accurate. I might purchase one when the funds are available.

Will
How 'bout them Maple Leafs?
 

Lurch

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Re: EEVblog #559 - Auction Score
« Reply #149 on: January 01, 2014, 09:56:47 pm »
Can you give me a scope, I am poor. Can you ship it to the UK. Can we spend several pages telling you why you should do it to give you hassle and benefit me only?

Most of the posts in this thread should see the users banned, and then taken out and shot repeatedly. Maybe you could do a rant on people who think you should give them stuff that you bought yourself?

Dave, to get people to your own blog rather than having them go to Youtube maybe you could use some other video hosting service and only have them on your blog? I stopped watching anything on Youtube ages ago as it is total shit. Watched a couple of videos today, still no better so I give up. I like the mixed content idea, although making a 5 min video can often just take 5 or 10 minutes whereas writing it up for a blog can take all afternoon so I can see why you do all your stuff in video form.
 


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