TUBE MIC.
Hi,
IMO take the original one and if you can post a circuit we can even improve that.
You may not like what the diodes do and if you don't have a stiff PSU that's well isolated from the rest of the amplification circuit you're bound to hear it in the recording.
Just my 2 euronickels,
Hi,
IMO take the original one and if you can post a circuit we can even improve that.
You may not like what the diodes do and if you don't have a stiff PSU that's well isolated from the rest of the amplification circuit you're bound to hear it in the recording.
Just my 2 euronickels,
PSU filter
Can you porvide more information on how to do it?
fdegrove said:Hi,
The tube PSU would certainly benefit from choke filtering and some good quality polypropylenes or PIOs behind it.
Cao.
Can you porvide more information on how to do it?
CHOKE.
Hi,
Here is a link to a fellow members' PSU.
http://www.diyaudio.com/forums/showthread.php?s=&threadid=7066
The choke is where it says 5H/100mA and you can put it straight after the rectifier ( where you have this 1K5 5W resistor ) or you can put a small cap in front of it.
After that you can use your circuit as is.
The 48 V phantom supply you could do according to your second diagram.
The missing resistor to ground on the regulator will depend on the regulator type you use.
I have no idea about the powerconsuption of this supply but I suppose a standard LM317 should do the trick.
Ciao,
Hi,
Here is a link to a fellow members' PSU.
http://www.diyaudio.com/forums/showthread.php?s=&threadid=7066
The choke is where it says 5H/100mA and you can put it straight after the rectifier ( where you have this 1K5 5W resistor ) or you can put a small cap in front of it.
After that you can use your circuit as is.
The 48 V phantom supply you could do according to your second diagram.
The missing resistor to ground on the regulator will depend on the regulator type you use.
I have no idea about the powerconsuption of this supply but I suppose a standard LM317 should do the trick.
Ciao,
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
- Home
- Amplifiers
- Tubes / Valves
- power supply for tube preamp