Aiphone LEF-3L — 3-Call Open-Voice Master Station with Selective Door Release for Chicago
Model / Series: LEF-3L
The Aiphone LEF-3L is a 3-call open-voice selective-call LEF Series master station with selective door release — supports up to 4 stations total (itself plus 3), 12 V DC powered, 800 mW at 20 Ω audio output, hands-free open-voice communication, desk- or wall-mountable, 8-1/8 in × 7-1/2 in × 2-3/16 in. Wires up to 650 ft (22 AWG) or 1,600 ft (18 AWG) using Aiphone 10-conductor shielded #822212. The Chicago choice for small offices, clinics, and 2–3 door audio sites with door release.
Specifications
- Brand
- Aiphone
- Series
- Aiphone LEF Series
- Model
- LEF-3L
- Form Factor
- Open-voice selective-call master station (desk or wall mount)
- Capacity (per Aiphone)
- Up to 4 stations total (itself + 3)
- Communication (per Aiphone)
- Open-voice hands-free; selective call; selective door release
- Power (per Aiphone)
- 12 V DC (e.g., PS-1208UL)
- Audio Output (per Aiphone)
- 800 mW at 20 Ω
- Wiring (per Aiphone)
- Aiphone 10-conductor overall shield #822212; up to 650 ft (22 AWG) or 1,600 ft (18 AWG)
- Dimensions (per Aiphone)
- 8-1/8 in H × 7-1/2 in W × 2-3/16 in D
Best Fit & Recommended For
Aiphone LEF-3L — 3-Call Master Station
The Aiphone LEF-3L is the 3-call open-voice selective-call LEF Series master station — supports up to 4 stations total (itself + 3), with selective door release capability. 12 V DC powered (e.g., PS-1208UL), 800 mW at 20 Ω audio output, hands-free open-voice communication. The Chicago choice for small offices, clinics, and 2–3 door audio sites that need a master station with selective per-door communication and door release.
What’s Confirmed by the Official Aiphone Spec
These specifications come from the aiphone.com LEF-3L product / KB pages:
- Capacity: up to 4 stations total (itself + 3)
- Communication: open-voice hands-free; selective call; selective door release
- Power: 12 V DC
- Audio output: 800 mW at 20 Ω
- Wiring: Aiphone 10-conductor overall-shield #822212; up to 650 ft (22 AWG) or 1,600 ft (18 AWG)
- Dimensions: 8-1/8 × 7-1/2 × 2-3/16 in
When LEF-3L Fits — Small Site (2–3 Doors)
Pick the LEF-3L when the site has 2–3 door / sub stations and needs selective door release from a master station. For larger sites, see the LEF-5 (up to 5 stations) or LEF-10S (up to 11 stations). For a single-door simple master, see the LEM-1DL. For the matching door station, see the LE-DA.
Where the Aiphone LEF-3L Wins in Chicago
- Small office 2–3 door audio system
- Clinic / dental practice front desk + back-office
- Small retail front + back room
- Property management office paired with 1–3 doors
- Education facility small-school office + classrooms
- Hospitality boutique-property reception + back-of-house
- Industrial / warehouse small-site office + shop floor
- Healthcare clinic small audio system
- Government / municipal facility small office
- Banking / financial small-branch audio intercom
Local Chicago Coverage
Vidimost installs the Aiphone LEF-3L across the full Chicago metropolitan area for small-site analog audio intercom deployments.
Recommended Pairings
- Aiphone LE-DA — LE Series door station
- LEF-5, LEF-10S — larger-capacity siblings
- LEM-1DL — single-call simpler sibling
- PS-1208UL power supply (specified per project)
Professional Installation by Vidimost
Vidimost LLC installs the Aiphone LEF-3L across Chicago for small-site analog audio intercom deployments. Full-scope service includes site walkthrough, master-station placement (desk / wall), 10-conductor shielded cabling, distance verification, 12 V DC supply, door-release relay wiring, and station addressing. Contact us for a free site walkthrough and quote.
Frequently Installed Together
Aiphone
Aiphone LE-DA
The Aiphone LE-DA is the LE-Series analog audio door station — flush-mount in a 2-gang back box (or surface with the SBX-2G/A adapter), hands-free communication when the master station answers, IP33 weather rating, 14 °F to 140 °F operating range. Wires with 3-conductor shielded cable up to 650 ft (22 AWG) or 1,600 ft (18 AWG) to the farthest LEF/LEM master station. The Chicago choice for cost-conscious analog audio-only door entries paired with LEF / LEM masters.
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Aiphone LEF-5
The Aiphone LEF-5 is the 5-call open-voice selective-call LEF Series master station — supports up to 5 stations, hands-free open-voice communication, 12 V DC powered, 800 mW at 20 Ω audio output, desk- or wall-mountable, 8-1/8 in × 7-1/2 in × 2-3/16 in. Wires up to 650 ft (22 AWG) or 1,600 ft (18 AWG) using Aiphone 10-conductor shielded #822212. The Chicago choice for medium offices, clinics, and small commercial sites with 4–5 audio stations.
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Aiphone LEF-10S
The Aiphone LEF-10S is the largest LEF Series master station — selective-calling open-voice master with capacity for up to 11 total stations (itself + 10), 12 V DC powered (PS-1208UL; PS-1225UL with BG-10C extension), 800 mW at 20 Ω audio output, hands-free open-voice communication, desk- or wall-mountable, 8-1/8 in × 7-1/2 in × 2-3/16 in. Wires up to 650 ft (22 AWG) or 1,600 ft (18 AWG) using Aiphone 20-conductor shielded #822220. The Chicago choice for multi-floor offices, schools, healthcare facilities, and any site needing up to 10 audio stations from a central master.
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Aiphone LEM-1DL
The Aiphone LEM-1DL is the LEM Series 1-call master station — push-to-talk simplex communication, voice-volume control, N/O dry-contact door release, supports up to 1 door / sub station. 12–16 V AC or 12–24 V DC powered, 200 mA max at 24 V DC. Wires with Aiphone 2-conductor overall-shield #822202 / #821802. The Chicago choice for the simplest possible single-door / single-substation audio intercom system with door release.
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