The ML12 is a four-rail power supply that provides +/- voltage, +48 for phantom power, and an extra + rail for LEDs, etc. The PSU was originally designed for an API 312-like preamp project, but the multiple rails and adjustable voltages could be put to many uses.

Images courtesy of Whistle Rock Audio

Notable Features:

• Based on 337/317 regulators
• Can supply up to 1.5A on the +/- voltage rails
• Up to 200mA~700mA of current on the +48 rail
• Custom kits for selected voltages available
• Transformer and heatsinks not included in kits

Price:

• $15 for PCB only
• $60 for 4-rail kit
• $52 for 3-rail kit
• $45 for 2-rail kit

More info:

• Orders taken here.
• View the manual. (PDF download)
• Lots more pictures.