Viking PA-2A Multi-Line Loud Ringer/ Paging Amplifier with power supply

University Sound Model 1100 Wall-Mount Paging Amplifier Control Panel W/ Box

QUAM-NICHOLS 26A07Z8 Loud Speaker - 2" x 6", 2 Watt, 8 Ohm NOS Bin1

Bogen SPT15A 15W Reentrant Paging Horn Loudspeaker for 25V 70V Amplifier Speaker

Viking Hands Free Talk-Back Amplifier for Loudspeaker Paging HF-3W

Bogen TPU35B 35‑Watt Telephone Paging Amplifier – Commercial 70V PA System

1-Paging Amplifier. 3-Ceiling Speakers 1- Alarm Speaker.

BOGEN TPU-250 250WATT - TELEPHONE PAGING AMPLIFIER FOR PARTS OR REPAIR