Ceiling 405
 Ceiling 405 - Call for pricing - 4-inch 16 watt
Downloads
A 4", compact 16-watt full-range high performance ceiling loudspeaker.
This model offers an extended 60-15,000 Hz range, ensuring clear, intelligible speech and good music reproduction.
These quality loudspeakers are designed for continuous, trouble-free service.
The die-cast aluminum frame houses a magnetic structure fabricated of heavy gauge steel.
The small size of the speakers allows either front or rear mounting in walls, partitions, ceilings and into volumes as low as 0.1 cubic feet.
Features
- 4" Full-Range High Performance Ceiling Loudspeaker
- Structurally reinforced die-cast aluminum frame
- Model 405-4T features a factory-mounted matching transformer
- The 405-4T can be run from 70.7/100-V transmission lines, drawing 0.5 to 4 watts
Architectural and Engineering Specifications
The loudspeaker shall meet the following performance and structural criteria:
Power rating, 16 watts;
Frequency repsonse, uniform from 60 Hz to 15 kHz;
Pressure sensitivity, 90 dB-SPL when measured at one meter on axis with one watt input of band-limited pink noise from 500 to 3000 Hz (ref. 20 µPa);
Impedance, 8 ohms;
Nominal free-air cone resonance, 90 Hz.
The voice coil shall have a diameter of 1" and shall operate in a magnetic field of 1.05 tesla derived from a Ferrite (V) magnet weighing at least 9.4 ounces.
The loudspeaker shall be able to perform efficiently in a volume as low as 0.1 cubic feet.
The loudspeaker frame shall be of die cast aluminum construction.
The speaker terminals shall be of the spade lug type.
The dimensions shall be 5.312" diameter x 2.125" deep.
The loudspeaker shall be the Electro-Voice® model 405.
| Specifications |
| Frequency Response | 60 Hz–15 kHz | Power Handling | 16 W cont. / 32 W prog. / 64 W peak |
| Sensitivity 1 W/1 m | 90 dB | Nominal Impedance | 8 Ω |
| Max SPL/ 1m (calc) | 102 dB | Distribution Pattern | 90° |
| Voice-Coil Diameter | 2.54 cm (1.0") | Magnet Weight | 0.27 kg (0.59 lbs) |
| Flux Density | 1.05 Tesla | Magnet Type | Ferrite |
| Speaker Frame | Structurally reinforced die-cast aluminum | Frame Color | Black |
| Speaker Cone | Molded fiber | Cone Suspension | High-compliance foam surround |
| Voice Coil | Copper | VC Support Material | Kapton® |
| Cone Excursion | 0.125" max. peak to peak | Speaker Terminals | 5.2 mm spade lug type |
| Free-Air Cone Resonance | 120 Hz | | |
| Dimensions (Dia x H) | 13.5 x 5.4 cm (5.3" x 2.13") | Weight | 0.94 kg (2 lbs) |
|
Ceiling 405 Spec Sheet (pdf)