Installation Manual for the Wheelock STH-4R24MCCH Cluster Speaker Dual Strobe Assembly, published in 2005. Document No: P84730A, Rev: A. 4 models including STH-4R24MCCH-110R, STH-4R24MCCH-110G, STH-4R24MCCH-110A and 1 additional variants. Hardware installation, terminal connections, and environmental requirements.
