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I think I saw the bomb square taking this away in a movie once?
Edits: 08/06/15Follow Ups:
nt
"A man need merely light the filaments of his receiving set and the world's greatest artists will perform for him." Alfred N. Goldsmith, RCA, 1922
what the four transistors on the input board do.
You probably wouldn't understand, it's pretty sophistimacated.
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Kinda the opposite of SO many components: looks like shite but probably sounds great!
"Once this was all Black Plasma and Imagination" -Michael McClure
Don't put that in you carry-on luggage!
Dave
Yeah, looks kind of dangerous. And no tube dampers! The really great thing is that it could be saved, thanks to all that has grown up around this timeless design.
.....and damn, they forgot the crystals on the output tubes!
I repair all sorts of tube gear for a living and I have seen more than a few pieces come in like this. The kind where it takes you an hour to figure out exactly what in the world the last "tech" was doing.......
We audio experimentors were a wild bunch back in the 1980s when that was built. The GSI driver board and 330V caps in series were popular then. This was obviously never intended to be shipped nor displayed. It was a test mule.
Steve M. from Angela Instruments a long time ago had a page on his website where he showed some D.I.Y. disasters.
One of them was titled:
"Two tabs of acid and a copy of Glass Audio"
I will try to dig it up from my files, as I believe it was the ST70 from hell.
The bitterness of poor quality remains long after the sweetness of low price is forgotten
I'm sure many don't realize that in the 1908s the ST70 was readily available for <$100 in the local Pennysaver and $20 at a garage sale. 'Audio Amateur' was the audio experimentor's primary source of inspiration and there were some wild ideas passed around. I remember an article where a Marantz 7 was used for the case and transformer with rest discarded. Today, things are different; collectors are afraid to replace a capacitor on a ST70 because it would lose its originality.
This is a point that has been previously discussed as I posted once about my molestation habits.
I am not a collector, but I can understand those who collect.
They don't care if the equipment works, it needs to be 100% original. thats fine for collectors.
The habit I have is to make equipment safe to use, this means a meticulous inspection and test regimen.
Then, what follows is any required minimalist true to the original repairs needed to make it safe to use.
This proudly makes me an Amp Molester, and I am listed on the Amp Molester register in my area so I don't get left alone with any ST70's :).
The folly comes from taking collector grade equipment and getting in the habit of using it for more than 10 minutes at a time.
Precious Output and Power Transformers have perished, along with innocent tubes.
Some take the risk, I was one of them, until I smoked a Scott LC21 Power Transformer, and then a Harman A700 Output Transformer.
Oh well... this is why I am an inmate. Locked behind a speaker grille!
The bitterness of poor quality remains long after the sweetness of low price is forgotten
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