Key Specifications

Frequency Range (-10 dB)

55 Hz – 20 kHz

Frequency Response (±3 dB)

74 Hz – 20 kHz

Power Capacity

224 W Continuous Program (2 hrs.)
112 W (448 W Peak), Continuous Pink Noise (2 hrs.)
75 W (300 W Peak) Continuous Pink Noise Power (100 hrs.)

Sensitivity

91 dB

Nominal Coverage Angle

120° conical

Directivity (Q)

4.5

Directivity Index (DI)

6.5 dB

Rated Maximum SPL @ 1m

111.5 dB continuous pink noise (117.5 dB peak)

Nominal Impedance

8Ω

Minimum Impedance

7.1Ω at 210 Hz

Transformer Taps

70 V: 60 W, 30 W, 15 W & 7.5 W
100 V: 60 W, 30 W, 15 W

Recommended Protective High-Pass Filter Frequency

60 Hz (24 dB/oct LR)

Transformer Insertion Loss

0.6 dB @ 7.5 W; 0.8 dB @ 15 W; 0.9 dB @ 30 W; 0.9 dB @ 60 W

Maximum Input Voltage

28.2 V RMS (2 hrs), 56.4 V peak (at 8Ω input)

Overload Protection

PTC power limiting to protect network and transducers from occasional overload.

RBI Driver Integrator

LF acoustic loading, tapered apertures. Back of loading plate functions as LF waveguide, foam-lined for smooth midrange frequency response. Provides smooth, consistent coverage of listening space. Horn-loaded HF driver integrated into front of RBI for maximum coherence.

Safety Agency Ratings

Suitable for use in air handling spaces per UL 2043, NFPA 90A & NFPA 70. S7232/UL Listing per UL 1480A Speakers for Commercial and Professional Use. Listed per CSA C22.2, no. 205 Signal Equipment. Transformer UL registered.

Environmental

IP rating

IP33 per EN/IEC 60529.

RoHS

Per EU RoHS Directive 2011/65/EU, as amended by EU Delegated Directive (EU) 2015/863.

Operating temperature

0° C to 45 °C (32° F to 113° F)