Aiphone LEF-10

The LEF-10 is a selective calling open voice style master station with the capacity of up to 11 total stations. The system can be designed to meet a wide variety of needs, including any combination of master and substations up to its maximum capacity. Incoming calls from a sub or door station are annunciated with a momentary electronic mono-tone and an LED, remaining lit for approximately 20 seconds. Communication at the calling master is press-to-talk, release-to-listen. Person at the receiving station speaks hands free. The person at the master station can selectively call and talk with a person at any other sub or master station in the system. The privacy feature on the master and selected subs prevents eavesdropping from the master station. A call can be received, but communication back to the calling master will be heard only after the privacy button is disengaged.

Features & Tech Specs
  • Up to 11 stations
  • Fully intermixable system, including any number of masters and subs up to the maximum capacity
  • LED annunciation and momentary tone from calling sub or door station
  • Video door entry can be integrated
  • Large variety of sub stations, surface or flush mount
  • Push-to-talk at calling master, with hands free communication at responding station
  • Selective monitoring
  • Privacy button to prevent eavesdropping
  • Voice and call tone volume controls
  • Selective door release

Power source
12V DC, 300mA per station. Use PS-1225UL.

Door release button contact
30V DC, 100mA (resistance load) 

Press-to-talk, release-to-listen at master station. Hands free response.

Talk channel
1 talkpath. Occupied LED when in use.

Up to 11 stations, intermixable

Wiring Distance
650’ w/22AWG
1600’ w/18AWG 

Select switch extra contact rating
12V DC, 30mA (“K1~K10” terminals for external device control) 

800mW @ 20 ohms (reception)
500mW @ 20 ohms (transmission)

RY-PA contact rating
110V AC, 1A; or 24V DC, 1A 

Speaker sensitivity

Total Harmonic Distortion
Less than 5% at rated output power 

Signal to Noise Ratio

Frequency Response
-3dB, 770-6800Hz. 

Dimensions (H x W x D)
8-1/8” x 7-1/2” x 2-3/16”

  • LEF or LAF Series Master Stations
  • LE-, LA-, or LS-series Sub/Door Stations
  • BG-10C Chime/Music Adaptor
  • PS-1225UL Power Supply
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