Modding ps1 duel analog controller into arcade stick

is there away to mod a ps1 duel analog pad into a arcade stick or do i really need a duel shock 1 pad in order to do it. i have some pictures below

http://img814.imageshack.us/img814/5229/0722101711.jpg

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http://img132.imageshack.us/img132/9216/0722101712.jpg

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and the type of pad that i am talking about is this the duel analog ps1 pad that’s not a duel shock

http://img812.imageshack.us/img812/8260/0723101741.jpg

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Your Analog Sticks don’t look like the Dual Analog ones.

The SCPH-1180 right?
The Dual Analog has the Analog Sticks being concave.

sorry it is a dual shock 1 SCPH-1200 model M

Now that you know your PlayStation Controller is Dual Shock, not Dual Analog, does it solve your problem?
Laugh.