Workshop Surplus Sale › Peavy KB-60 Keyboard amplifier (#2) Image 1 of 7 Image 2 of 7 Image 3 of 7 Image 4 of 7 Image 5 of 7 Image 6 of 7 Image 7 of 7 Peavy KB-60 Keyboard amplifier (#2) $135.00 The Peavy KB-60 is a versatile instrument amplifier with spring reverb. It is made in USA and is kinda built like a tank. Get notified by email when this product is in stock. Sign up to receive news and updates. Add To Cart Added! The Peavy KB-60 is a versatile instrument amplifier with spring reverb. It is made in USA and is kinda built like a tank.