Hot Line and Big Strike, both produced by Williams in 1966, are electro-mechanical pinball machines designed by Steve Kordek. Hot Line is the replay version, while Big Strike is the add-a-ball variant.
UTAD.
Balanced
Very High
Try to shoot the ball up the sides of the games rather than between bumpers.
via Bob's Guide
On the floor at 6 locations
Oversized sheet with transformer, relay and lamp circuits
489 KB
Coin chute adjustment sheets and score unit parts
162 KB
Includes score motor diagram and wire color code
10.5 MB