I have a vintage set of Fender Speakers Model 412 Dual Showman PN 216102
Users Manual with all specifications:
http://ampwares.com/schematics/Dual_Showman_Manual.pdf
And a generic amp by Slim Electronics for sale.
Used for about 12 years, all in excellent condition and as loud as ever. Used to play large punk shows.
Asking $450 OBO. Call or e mail anytime.