T-681F/ T-682F/ T-683F/ T-684F/ T-685F Volume Control with Relay
T-671/ T-672/ T-673/ T-674/ T-675 Volume Control
T-681/ T-682/ T-683/ T-684/ T-685 Volume Control
T-6S/ T-6FS Volume Control with Channel Selector
V-8P/ V-8M Volume Control Box
T-671C/ T-672C/ T-673C/ T-674C/ T-675C3 Wired Volume Control