The Incredible Technics SP-10 Thread

Very nice!
We did Barry Dillers (Fox Broadcasting creator) staircase and other locations in his house out of this hardwood.
Very nasty edge splinters created if not cut approiately.
Very dead material in solid form.

Regards
David
 
I can vouch for that!!!
I got 1 splinter that went through the tip of my finger when I was sanding the first armboard.
 

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Yesterday afternoon I finally worked up the courage to mount my Koetsu Urushi Black. After a couple hours I have it pretty close. This afternoon I'll get out the USB microscope camera and better dial in the SRA (Stylus Rake Angle).

The cartridge is beautifully but a little weird how it hangs so far over the headshell, at least to me.

Sounds great and I'm having fun playing and listening.

image.jpg
 
For those interested I set the SRA this afternoon with an inexpensive (eBay $60) USB microscopic camera and an IOS app. Took a bit to get everything set up. But basically you lay a CD on the edge of the platter and set the needle down. Then set the camera close to the cart (1/4") and adjust focus on screen with laptop and with adjusting lighting get the horizontal line of the CD in pic for reference.

After sending the image to my iPad I used a protractor app to measure the stylus.

ImageUploadedByTapatalk1434348777.669965.jpg

ImageUploadedByTapatalk1434348805.705293.jpg

So in one pic I have 58.53 and the other I have 124.68. So add the two together = 183.21 then divide by 2 = 91.6. Pretty close to the spec of 92.

At least I think I did it right, newbie and all!


Sent from my iPad using Tapatalk
 
concur on the reading of 91.6deg.
Although I took a slightly different tack to get that figure. Visualizing geometry involves a perspective unless one is born with perfect geometric perception.

My method:
(124.68deg) - (58.53) = 66.15
66.15 / 2 = 33.075

58.53 + 33.075 = 91.605

my way is longer but it helped me to visualize that I was measuring from tonearm side.

anyway, the microscope pics look great. You must be quite close to the optimal SRA. Although listening to well known records helps to confirm the adjustment.

Cool setup.

-Steve
 
Pretty much finished restoring my SP10, recapped and faulty phase drive transistors replaced, this was a p/l version but I managed to get my hands on a regular logic board to restore start/stop easily.

Trouble I'm trying to crudely set the speeds but 33 and 45 rpm wont set on the strobe, its nearly there but its still moving, the pot wont adjust anymore, 78rpm is rock solid.
Could anyone help me with where to look?

Thanks
 
That's not how it was designed.

The service manual is available at Vinyl Engine, download it. There are a few capacitors you need to replace, see post #29 -- http://www.diyaudio.com/forums/anal...edible-technics-sp-10-thread.html#post4054233

Yep, and I have the service manuals.

As I said it has been recapped unless theres some ploy caps that need replacing? Just wondering if the slight movement on the strobe was classed as normal at 33/45 rpm as well as the the inability to set it to 'still' as it is possible on 78rpm?
 
Well,just finished replacing all the caps in my 10/2 and PS.One in the PS needed doing!
Now just have to get a friend to tune it for me.Then it should be good for another 30 years.See me out that's for sure!
Thanks for all the advice on this thread.
 
Just got hold of my third 10/2, it has a problem though......switch the thing on and the platter spins fast....then faster......then faster still until it can be used as a drone. I've narrowed the problem down to the logic board 'cause when I fit the board from my 10/2PL it works albeit with no stop/start function. Is this one of the unrepairable ones or something that can be resurrected?