The 2448 is a small regulated power supply that puts out  both +24Vdc and +48Vdc rails. It is perfect for powering Neve and Neumann preamp DIY projects, among other things.

Images courtesy of I.J. Research

Notable Features:

• Requires a 2x25V toroidal transformer
• +24Vdc voltage rail can be adjusted between 20 and 30 volts

Price: $18 for PCB

More information:

• Order via Igor’s DIY Recording Market store
• The support thread