Ace diyer - pics from Raghunadh

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quad

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There are a few FMs doing some awesome work, but few are aware of them.
FM N. Raghunadh from Hyderabad is one of those ace diyers.
He has previously posted his DIY plinth and ST70 restoration.

He is now building no-expenses spared preamp and ST70 clone tube amp.
This is possibly the best effort I have seen from India, built ground up locally,
except for the Edcor OPTs.

I am taking the liberty to post his work in progress pics link for your
viewing pleasure.

https://picasaweb.google.com/112349...dST70Making2012?authkey=Gv1sRgCOaR9vvI_unXtAE
 
Wow! superb execution. I remember his ST70 restoration.
...DIY power switch...Lathe Machine ...audio Circuits...Tubes, :licklips:
:thumbsup: and respect
Thanks for sharing.
Regards.
 
Wow! Quad, thanks for posting this here. It is sheer pleasure to see everything being built grounds up.
 
Thanks Prasad,
I was about to post his work on HFV,great DIY work.I have not seen this type of DIY in India.

Regards,
Sachin
 
Awesome. I wonder if he will build one for me ... :ohyeah:

Or maybe a group buy will cut down his costs .. if FMs are interested in owning a piece of the legendary ST-70 ... :licklips:

--G0bble
 
Thank you for all your comments.
It will take another one more week to complete. I have used approximately 10 companies help to get this shape and quality.
Have taken good suggestions from "Quad".

1.Edcor USA- For OPTs
2.Ebay USA- For 7199 Driver Tubes
3.Sqare S(Hyderabad)- For driver board Clone
4.EMD (Hyderabad)- For Power Trans
5.Sanghvi/Kiran Electronics(Hyderabad) - Caps and resisters
6.Muvva Sai CNC (Hyderabad)- CNC Milling and cutting of Chassis.
7.Hyderabad Electroplating- Black Anodizing
8. Laser Teck( Hyderabad)- Laser Engraving
9.MX Zone(Hyderabad) - For RCA and Speaker binding posts
10. Ebay China- For Illuminated Push Button(Power)

And some more items like Octal sockets,sleeves and wires purchased from KOTI (Hyd)

I will post all addresses and contact numbers in next post.

Thanks
Raghu
 
Last edited:
Raghu,
inspirational..
reconfirms the fact ,we can do impossible ~possible+time+passion,

just we need to have "trust on our selves"
 
:licklips: like the outcome of hardworking and would like to own one
:clapping: for the all hardwork involved into this.
:thumbsup::cheers:Thanks for showing us path to have some more courage.
 
The one thing more wonderful than having a pro engineering workshop would be --- having the skill to use it! Amazing work.

Excuse my electronics ignorance, but what is this? It looks like some sort of transformer, maybe, but I never saw one that looked anything like that! Not that I've really seen many :o
 
Thad E Ginathom said:
The one thing more wonderful than having a pro engineering workshop would be --- having the skill to use it! Amazing work.

Excuse my electronics ignorance, but what is this? It looks like some sort of transformer, maybe, but I never saw one that looked anything like that! Not that I've really seen many :o
Click to expand...

This is a Toroidal transformer with DIY cover .Raghu has filled this up with some potting material.

Regards,
Sachin
 
Ahhh... Thanks. I wasn't so far off :)
some potting material.
Click to expand...
I used to work in London factory that made stuff like that. I used to mix the materials, which included a black powder that was so fine it took a week of baths to get it out of your skin...

But that's another story :)
 
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