Product Description
Versatile, high-performance, full-range, flush-mount loudspeaker designed for foreground and background music and speech reproduction in a wide range of installed applications. High output and 125° conical pattern with a frequency range down to 70 Hz. For indoor applications only.
Technical Summary
System Performance
Frequency Response (+/-3 dB)1
80 Hz – 17 kHz
Frequency Range (-10 dB)1
70 Hz – 19 kHz
Nominal Dispersion
125° conical
Recommended High-Pass Filter
70 Hz high-pass filter
Loudspeaker EQ
Recommended
Overload Protection
PTC/Resistor
Long Term Power Handling2
40 W (160 W peak)
Sensitivity (SPL / 1 W @ 1 m)3
87 dB SPL
Maximum SPL @ 1 m4
103 dB SPL (109 dB SPL peak)
Nominal Impedance
8 Ohms(transformer bypassed)
Transformer Taps (70/100 V)
70 V: 2.5 W, 5 W, 10 W, 20 W, 40 W
100 V: 5 W, 10 W, 20 W, 40 W
Transducers
Driver Compliment
4.5″ (114 mm) full-range driver
Physical
Enclosure
Polypropylene (front baffle), powder-coated steel (rear enclosure)
Grille
Powder-coated steel grille
Environmental
Indoor use only
Connectors
Three-terminal barrier strip; two-terminal barrier strip (8 ohm variant). Optional accessory available for use when ceramic connector and thermal fuse are required. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm)
Dimensions
Outer flange diameter: 11.8″ (300 mm)
Depth: 6.0″ (153 mm)
Ceiling hole diameter: 10.5″ (267 mm)
Ceiling Thickness (Maximum)
2.5″ (64 mm)
Net Weight
8.3 lb (3.7 kg) – with transformer
6.3 lb (2.8 kg) – 8 Ohms variant
Shipping Weight
11.0 lb (5.0 kg) – with transformer&nl 9.0 lb (4.1 kg) – 8 Ohms variant
Product Code
Black
321278-0130 – with transformer
321278-0140 – 8 Ohms variant
White
321278-0230 – with transformer
321278-0240 – 8 Ohms variant
Resources
