PMV70X HiZ (Neumann PMV70 in GDIY51X format)

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Do you have any oscillation? You shouldn't have any.

R40 is your dB adjust potentiometer, 1K pos. log.
With a fixed value you wouldn't have the 8dB fine regulation, only the steps from the gain switch.
 
Hey there,

out of curiosity, where does the HiZ board sit in the circuit?
Does the audio go through the mic input trafo?

Thanks
Moshe
 
Nice!
So with a transformer HiZ plugin the signal goes through 3 transformers, now I have to try that... ;)
Thanks for the info
Moshe
 
There is only one thing better than a PMV70X .......
Two PMV70X's!!

All assembled and passed the smoke test! Now for some audio testing, although I know what to expect, having had the first one for about a year. These pre's are magnificent.
Really low noise floor, bucket loads of gain if you need it, great articulation and detail, but yet so smooth.

Great work Volker!
 

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