Phantom Power using a 18-0-18 ac Transformer

[Andybot]

Hi All,
i need to inject 48vdc into a channel strip and it needs to come from a 18-0-18 ac transformer. I will only need to power one mic. Ill be building my own so i need a schematic....any suggestions. The mic ill be using says 8ma minimum draw.
Thx

 

[gyraf]

Doubler or tripler, look at e. g. the G9 psu

 

[Whoops]

Ill be building my own so i need a schematic....

Here you have it, for 2x 18v use the Tripler:

http://www.jlmaudio.com/ACDCv4 Schematic.pdf

Best and easiest is to buy the PSU kit from JLM:
https://www.jlmaudio.com/shop/ac/dc-kit.html?display_tax_prices=1

 

[Andybot]

Thank you both.a