Neumann U47FET Clone: D-U47 FET Microphone Project PCB Build thread

GroupDIY Audio Forum

Help Support GroupDIY Audio Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Thanks, acdc-angus!

No, I did not do it myself.
I had them powder coated here in Stockholm.

Considering the total cost of a project like this, I think it is worth the little extra cost to powder coat instead of using normal spray color. The finish and durability is so much better.

//Michael
 
s1a s1b ,  jumper in both places  1 direction = pad
no jumper both position you can place the jumper only in 1 pin to let them hang there = no pad

LC = jumper on = low cut ,

Best,
Dan,
 
burn4ever said:
Thanks for the patience and quick reply Dan  ;)

Is it right that I have to use the 1000pF Capacitor instead the 2200pF for C1?

use the 2200pf,
Dan
 
Sorry, what the difference between "pad" and "no pad"? I'm a noob... Ahaha ;D

Mouser orders done ! But Molex 2 headers wasn't available... So, I must wait until 20th March...
 
Hi,

I have some wire from a JMP 2203 project. Can I use these for the U47Fet? (TR32 22 Awm 600v) XRL to PCB and link both side?

Thanks

That's my project for now

5.jpg


6.jpg
 
acdc-angus said:
Hi,

I have some wire from a JMP 2203 project. Can I use these for the U47Fet? (TR32 22 Awm 600v) XRL to PCB and link both side?

Thanks

That's my project for now

5.jpg


6.jpg
Nice Picture,
have you been using the 30M + 100M in the Z region connecting the fet ?
i see the R5+ spot is empty if you did then you are fine :)
you can use teflon isolated 26-27 gauge wire this is the best stuff ,
if not regular 26-27 gauge wire will do fine ,
if you use too big wire you will be missing the flexibility of the wire
Best,
DAn,

 
poctop said:
Nice Picture,
have you been using the 30M + 100M in the Z region connecting the fet ?
i see the R5+ spot is empty if you did then you are fine :)
you can use teflon isolated 26-27 gauge wire this is the best stuff ,
if not regular 26-27 gauge wire will do fine ,
if you use too big wire you will be missing the flexibility of the wire
Best,
DAn,
Thanks !

Yes it's 30M and 100M. I wanted the minimum possible of composants. More easier to soldering

So, I can use my wire? If I don't need buying others, it's good ! Ahah

If not, I have this (picture below), can I take the wire on it to use in mic?
 

Attachments

  • AlligatorClipLead5Color1602-3031_M3.jpg
    AlligatorClipLead5Color1602-3031_M3.jpg
    129.4 KB · Views: 5
Hey guys,
does anybody knows what kind of screws I need to fix the pcb to an GT-2B body?
The screws from this mouser list
http://www.vintagemicrophonepcbkit.com/DU47FET.html
are to big:
http://www.mouser.de/Search/ProductDetail.aspx?R=9300virtualkey53400000virtualkey534-9300

And what kind of cable diameter do you use to connect the components, like the transformer, to the pcb?
 
burn4ever said:
Hey guys,
does anybody knows what kind of screws I need to fix the pcb to an GT-2B body?
The screws from this mouser list
http://www.vintagemicrophonepcbkit.com/DU47FET.html
are to big:
http://www.mouser.de/Search/ProductDetail.aspx?R=9300virtualkey53400000virtualkey534-9300

And what kind of cable diameter do you use to connect the components, like the transformer, to the pcb?

I Am under the impression that the screws should come with the GT-2B body but I may be wrong ,
the bracket and screw inside this current BOM is for the New version of the D-47FET pcb that will adapt the U47 style Mic
body,  if you don't need them you can skip them out of this BOM
IIRC the screws for the pcb to gt-2b are 2mm screws (M2).

DMain47F.jpg


58d0281994515.jpg

Best,
Dan,

 
Is it possible to buy the Neumann k47, since now they are reissuing the mic?  Price?

The k67 is not very expensive, so if the k47 is in that range I'll go for the Neumann for #2.

I have one of ChuckD's m7 in my first, but he no longer offers the m7 to DIYers.

Thanks
 
MicDaddy said:
Is it possible to buy the Neumann k47, since now they are reissuing the mic?  Price?

The k67 is not very expensive, so if the k47 is in that range I'll go for the Neumann for #2.

I have one of ChuckD's m7 in my first, but he no longer offers the m7 to DIYers.

Thanks

I have one of ChuckD's m7 in my first, but he no longer offers the m7 to DIYers.

I am Hoping To be soon able to fix this problem,
See Here:
http://groupdiy.com/index.php?topic=58663.0
 
poctop said:
I am Hoping To be soon able to fix this problem,
See Here:
http://groupdiy.com/index.php?topic=58663.0

...and some of us continue to wait patiently...
;)
 
I have a question to the position (mount) of the capsule.
This is a realy nice build from a member here, but
looks like the capsule sits to high, or am i wrong?

And does anybody have experience what kind of mound from Thiersch http://thiersch-mic.de/en/estm_produkte.html will fit into the GT-2B body? Mounts from Thiersch have hights from 52mm - 58mm. But I think these all to high for the GT-2B body.

index.php


 

Latest posts

Back
Top