Crazy SIT PHONO LCR thread.... - diyAudio
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Old 2nd January 2014, 08:56 PM   #1
diyAudio Member
 
Join Date: May 2009
Default Crazy SIT PHONO LCR thread....

I just want to plant my idea of a SIT LCR stage....
Here the idea. First of all if you want to build a low impedance LCR network whit tubes you need to have step down and step up transformers all over the place...What if we integrate a 2sk82 into a simple classical two stage tube circuit, so we land whit three stages. Oh, some will say thats out of phase phono or tooo much complex, keep it simple!
But the iron masquerade is also not ideal...

Here the idea in manifestation----

D3a----2sk82---600R LCR---D3a

All the stages are loaded via CCS and ouput via mu, so <600R output impedance...

The best of all, we get away whitout transformers in the signal path...the SIT has low dran resitance so it will be very nice loaded whit 600R LCR network...

So what do you say people?
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Old 3rd January 2014, 11:41 AM   #2
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Join Date: May 2009
If no comments, the idea is good....
But first stage D3a also needs to be MU...
The SIT stage the simplest way to do it would be a resistive load whit 600R LCR...
The third stage is simple MU out....
There is also a possibility of an cathode follower in SIT stage, so we get very low output impedance and maybe can design a even lower impedance LCR network...
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