TPU100B

The TPU100B is a 100W wall-mounted telephone Paging Amplifier permits paging from telephone or microphone, music input through an RCA jack or screw terminals and voice-activated, variable level, music mute with fade back after page. This TPU amp includes a night ringer which sends an electronic ringing tone signal through all speakers, alerting personnel of incoming calls. Jacks are also provided to bridge two TPU amplifiers to double the number of inputs and output power. Integral automatic level control (ALC) circuit for controlling pages made by persons with varying voice levels and paging techniques. Audio enhancement circuit increases intelligibility, improves perceived loudness (with no increase in power) and reduces listener fatigue. The VOX sensitivity level control eliminates accidental transmission of background noise from a paging telephone.

• Inputs for 600Ω balanced telephone line, Lo-Z balanced microphone and background music
• Music input (RCA jack or screw terminals)
• Signal-activated paging channel automatically mutes background music
• Adjustable background music muting level during a page
• Music gradually returns to its normal level after a page
• Separate controls for page volume, music volume, night ringer, music mute and audio enhancement
• Bass and treble controls
• Built-in night ringer activated by contact closure or by 90V ring signal
• Thermal and electronic overload protection
• Jacks provided for bridging additional TPU amplifiers
• Peak level indicator lights when amplifier is driven into clipping

Applications

Signal Processing, Communications & Networking, Audio