Heads up! New unbuilt Dynaco ST-70 kit on ebay - diyAudio
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Old 4th May 2008, 04:17 AM   #1
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Default Heads up! New unbuilt Dynaco ST-70 kit on ebay

Not my auction etc. Someone will get a happy from this.

http://cgi.ebay.com/Dynaco-ST-70-NEW...QQcmdZViewItem
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Old 4th May 2008, 05:12 AM   #2
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With 15h 51min left the bid is only $665 gee what a deal!
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Old 4th May 2008, 06:11 AM   #3
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I hope it isn't getting bid up because of the "Mullard" output tubes, because I think they are Japanese by the ridges on the plates... And judging by the leads on the output transformers, it looks like a late model dynakit, which leads me to believe even more they are Japanese... Still nice tubes, made on mullard tooling, but not made in GT BRITAIN.
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Old 4th May 2008, 05:36 PM   #4
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With only 3H 26min left it's only $898.88 !
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Old 4th May 2008, 06:27 PM   #5
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I find it funny that it's worth a lot more unassembled than finished! A collector's piece for sure. Those NOS trannies, as well as the Mullards, are worth their weight in gold!
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Old 4th May 2008, 09:37 PM   #6
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Quote:
Originally posted by TubeHead Johnny
I find it funny that it's worth a lot more unassembled than finished! A collector's piece for sure. Those NOS trannies, as well as the Mullards, are worth their weight in gold!

I guess it is psychological in nature. An unbuilt kit is the ultimate form of an 'unmolested' vintage item. In vintage collectibles, unmolested is worth bucks.

Funny thing is the item will probably have less market value after whomever buys it finishes building it. In that case it makes less sense to purchase it if a tube amp to listen to is your goal.
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Old 5th May 2008, 01:54 AM   #7
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Looks like Dynaco only left the builder to mount everything on the chassis and solder some wires since the printed circuit board is already assembled.

I wonder why they didn't leave the PC board unassembled.

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Old 5th May 2008, 02:26 AM   #8
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Kind of wonder what condition that NOS filter cap is in.
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Old 5th May 2008, 05:01 AM   #9
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Auction closed at $1025 which is a lot to pay for an ST-70 assembled or not.

To guarantee a high level of success the driver boards were fully assembled and tested. If you have seen some units that worked fine with the terrible soldering skills exhibited you will understand why they provided assembled boards..

I figure both the coupling caps and electrolytics should be replaced with current production devices, not to mention the selenium bias rectifier, although who knows they might all be fine if stored under ideal conditions. I gave away a bunch of 40yr old nos FP style cans recently and the recipient reported all seem to be good. (Some have been in use for a few months now without issues, although I really wonder how long that will continue to be the case.)
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