OS-306-45

OS-306-45 OUTSIDE SPEAKER / TALKBACK HORN
This weatherproof horn is ideal for high noise harsh conditions.
Includes mounting flange, 45 Ohm weatherproof cone speaker.  
Although this speaker is used mostly in drive through applications, the OS-306-45 is an excellent all-around companion to the IC-29 Intercom Amplifier.

OS-306-45 Outside Speaker Station

FEATURES
  • For paging and music in moderately noisy environments.
  • Power rating 6 watts, continuous duty.
  • Reflex driver uses moisture resistant diaphragm.
  • Pleasing voice projection - high speech intelligibility.
  • Weather and corrosion resistant construction of impact & UV resistant ABS and stainless steel fasteners.
  • Adjustable mounting base will attach to a 3-inch electrical box.
  • May be recessed mounted - hole locations on flange.
  • Attractive tan color.
  • Enclosed transformer models tapped with 5-conductor color coded cable.
  • Manufactured in Fourjay's plant under strict quality requirements.
 
MODEL
NUMBER
RATED INPUT WATTS WEIGHT (lbs)

OS-306-45

45 Ohms

6 Watts of Input Power

1-1/4

 

Response Curve

 

Polar Plot

 

Diagram

 

PHYSICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS
Materials: High impact ABS horn and mounting components. Stainless steel fasteners.

Driver: Reflex type. 3-1/2" dia. speaker integral with horn. Rugged cone diaphragm is moisture resistant.

Mounting Provision: Adjustable base has 4 slots on 2-3/4" diameter. Horn flange has 4 holes on 5-5/8" diameter, (4 square) for recessed mounting.

Color: Tan.

Wiring: 2 conductor brown polarized 18-gauge cable on Models 306-8 and 306-45. Color coded 5 conductor 20-gauge black jacketed cable on Models 306/25-T and 306/70-T.
Power Handling: 6 watts continuous duty.

Frequency Range: (on axis)
400-5000 Hz (3 dB)
320-6000 Hz (6 dB)

Sound Pressure Level (at 1 meter):
  • 1 watt, 500-5000 Hz, averaged; 97 dB
  • 1 watt, 1 octave at 2 KHz, averaged; 98 dB
  • 6 watts, 1 octave at 2 KHz, averaged; 106 dB

Talk-Back Sensitivity as Microphone:

(Model 306-45). Reference 94 dB (1.0 Pa) SPL, 1K to 2 KHz; 17.2 2 mv or -21.8 3 dBm, (0 dBm=1 mw).