Rat Box 9v adapapter

[economike]

I have a rat box from the 80's that I can't plug into my Boss pedal board as it has a different type of jack than modern guitar pedals. Does anyone know if there is an adapter that will allow me to do this.

[succor]

http://www.musiciansfriend.com/accessories/pro-co-rps-1-rat-battery-eliminator-power-supply

[chud311]

http://www.musiciansfriend.com/amplifiers-effects/visual-sound-1-8-1-spot-converter/151690000000000