Siel opera 6

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Re: Siel opera 6

Postby sam » Mon Feb 07, 2011 10:29 am

adamstan wrote:
sam wrote:I am referring to a rev 2 p5 i had many years ago...This opera 6 has has ssm vco's even though it has dco writen on it.


Well - it is "DCO driven by VCO" :-) I probably repeat myself, but this is very interesting DCO design. Two SSM2031 VCOs are used as master oscillators for DCOs (instead of crystal oscillator or system clock).


Let's say VDCO....But the osc sound raw like vco's...

vcf...2044
Vca...2024
EG....2056

A note on recapping...I replace caps on the power supply and any cap that i can change easily (only electro's and tants)
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Re: Siel opera 6

Postby madtheory » Mon Feb 07, 2011 3:41 pm

Replacing tants it critical parts makes sense because they fail short circuit, but personally I would avoid replacing an electro that was still working, because (a) there's an increased risk of damaging expensive SSM chips, and (b) life's too short for fixing things that are not broken.
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Re: Siel opera 6

Postby sam » Mon Feb 07, 2011 4:16 pm

In this case i have left the caps for now...They look ok but i will recap the power supply when i have the time.

Now it's being used in the studio.... :idea:
Lam memorymoog.Sonic six.CS30.Roland SH-5..Vp330 mk1.system 101.SH101.Jupiter 8.OSCar.ARP odyssey..multivox mx3000.Solina stringsynth.polivox
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