The PK543A Apartment Intercom Amplifier is a self-contained unit that does not require an external
amplifier. The PK543A is designed for use with 3-, 4- or 5-wire apartment remote stations and
provides amplification, control and power circuits needed to operate a complete apartment intercom
system. Voice volume control and tone volume control are easily adjustable through the
screwdriver opening on the front panel.
Additional functions include multiple door entrance operation with the PK502B; AC, DC or Maglock
configurations with three selectable delayed door timing modes; post office door lock release;
steady or warble call tones; power LED; selectable door button hold timeout; and selectable talk
before door interlock (available for 4 -wire stations only).
Specifications Dimensions: Height: 5.5 (140 mm)
Width: 3.125 (80 mm)
Depth: 2 (51 mm)
Construction: Flame-retardant (UL® 94V-0) plastic
Amplification: Integrated Circuit amplifier including
amplifier with frequency response,
adjusted for ideal voice quality.
Call Tone: Integrated circuit oscillator with steady
and warble modes
Door Release: AC, DC or Maglock (12 VDC/24 VDC)
Controls: Voice Volume, Tone Volume and
Dipswitches for selectable modes
Connections: Polarized plug-in type
Power Required: 16 VAC, 10 VA
PK543A Tektone Intercom Ampilfier (Wiring Diagram)
PK543A Tektone Intercom Amplifier (Installation Manual)
PK543A Tektone Intercom Amplifier (Spec Sheet)
How to set up PK543 Tektone Amplifier (video)