lkipod

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #40 on: January 03, 2018, 02:38:33 PM »
Thanks!

Does that indeed mean that I only tweak R40 to a point were I have no oscilation? ::)

Or in my noob words, why isn't R40 a fixed value..
Trying to get my head around that.


[silent:arts]

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #41 on: January 03, 2018, 02:55:47 PM »
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.

lkipod

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #42 on: January 03, 2018, 03:50:41 PM »
Thanks!

I think I get it now...

lkipod

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #43 on: January 15, 2018, 05:30:03 PM »
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

[silent:arts]

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #44 on: January 16, 2018, 12:02:42 AM »
Yes, the HiZ board is just before the input transformer.

lkipod

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #45 on: January 16, 2018, 05:50:39 PM »
Nice!
So with a transformer HiZ plugin the signal goes through 3 transformers, now I have to try that... ;)
Thanks for the info
Moshe

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #46 on: February 03, 2018, 02:13:36 PM »
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!

[silent:arts]

Re: PMV70X (Neumann PMV70 in GDIY51X format)
« Reply #47 on: February 04, 2018, 03:14:25 AM »
Thanks for the kind words Bruce  8)


 

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