Show me your ugly stereo 70

knowledge base for the classic Dynaco ST70

Show me your ugly stereo 70

Postby burnedfingers » Wed Sep 28, 2011 4:18 pm

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Postby Ty_Bower » Wed Sep 28, 2011 4:44 pm

I've still got this one. Make me an offer... it could be yours! $)

Image
"It's a different experience; the noise occlusion, crisp, clear sound, and defined powerful bass. Strong bass does not corrupt the higher frequencies, giving a very different overall feel of the sound, one that is, in my opinion, quite unique."
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Postby Sal Brisindi » Wed Sep 28, 2011 6:45 pm

Here is a before picture of a ST-70 I restored for a customer a few years ago.

Sal

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Postby Ty_Bower » Wed Sep 28, 2011 7:05 pm

I especially like the BAD stickers on the driver tubes...
"It's a different experience; the noise occlusion, crisp, clear sound, and defined powerful bass. Strong bass does not corrupt the higher frequencies, giving a very different overall feel of the sound, one that is, in my opinion, quite unique."
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Postby Sal Brisindi » Wed Sep 28, 2011 7:10 pm

I figured it gave the amp a nice touch... (lol)
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Postby DeathRex » Wed Sep 28, 2011 8:20 pm

Just needed a good sticker on the 5AR4.
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Postby Sal Brisindi » Wed Sep 28, 2011 8:26 pm

That 5AR4 tested new..... ;) NOT!

On another note, I posted the picture here before but here is the after picture of the same amp.

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Postby Stunch » Thu Sep 29, 2011 9:44 am

The improvement is subtle but I can see it. Different colour caps maybe? ;)
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Postby mesherm » Fri Sep 30, 2011 1:18 am

Ty, that ugly old amp sure looks familliar.... (lol)
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Postby jgf » Fri Sep 30, 2011 9:23 am

Ty: I see pictures here and there of '70s with a big choke between the board and the power trans, I always wonder how well that works. Does it radiate hum into the driver tubes?
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Postby burnedfingers » Sun Oct 02, 2011 1:17 am

Anymore ugly 70's out there?
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Postby TerrySmith » Sun Oct 02, 2011 9:03 am

Shannon has all you beat by a mile!

http://diytube.com/phpBB2/viewtopic.php?t=1062

Looks like it was used to patch a hole in a shrimp net!
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Postby jgf » Sun Oct 02, 2011 11:40 am

The sand on that board is a nice touch. Helps damp out microphonics...?
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Postby Geek » Wed Dec 07, 2011 4:50 pm

I love what this guy did to his..... so 1940-ish (love)

http://www.ebay.com/itm/Dynaco-ST-70-Vi ... 0909428862

Cheers!
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Postby 20to20 » Wed Dec 07, 2011 11:48 pm

Geek wrote:I love what this guy did to his..... so 1940-ish (love)

http://www.ebay.com/itm/Dynaco-ST-70-Vi ... 0909428862

Cheers!


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