Isolated 9v Power Supply question

[quixzika]

My plan in the future is to build the Spyder power supply.  Truth be told, outside of a few mods to my Valve JR amp I haven't DIYd much electronics.  Very intimidated to do this breadboard thing and make the supply.  So..

My buddie has a few of these RadioShack isolation transformers.  They were like $4 each.  The specs are:   * 600-900 ohms   * 300Hz to 5KHz response * 100 mega-ohms insulation resistance at 250VDC.  They are phone line isolation tx's. 

Anyway- I just picked up a OneSpot cable extension from GC with the hopes of a simple solution to my power supply needs, even if temporary.  Using a 1Amp wall wart, I get power to all the pedals and.....hummmmmmmmm.  Two are OK, but thats it. 

Until I build the Spyder...or buy a $169 Voodoo 2 can I use a few of these transformers to isolate the one transformer output into several 9v supplys?  I was thinking of just cutting into the lines and putting 5 of these transformers between the 9v wall wart and the stompboxes.

Be gentle, I'm just starting with this stuff and putting my ignorant neck on the block.  Don't drop the axe!

Thanks.

J