The Ribaudequin is the upgrade of the Ribald. It has more hit points and a better attack, which deals more damage to buildings, and has a greater area of effect.
Available to: Savoy
Built at: Castle
Cost: 100 Wood, 75 Florins, 2 population shots
Armor/Pierce Armor: 1/8
Special: +60 vs. stone buildings, +40 vs. all other buildings.
Upgrade from: Ribald
Upgrade Century: 15th
Speed: Cannon Foundries (Savoyard Unique Technology)
Ribaudequins are better at what they do. They're more durable and pack a bigger punch, but they don't fire any faster or farther, so the same rules for usage apply. Don't think you'll take out heavy-duty defenses with them; that's a good job for your Culverins.