The YARDEN IH-1 is a full-range built-in 40 W RMS speaker with open back intended for 70/100 V transmission lines. Mounted flush with a wall surface (the width of the projecting part is less than 2 mm) and can be painted not to stand out against it. Sensitivity 83 dB/W/m, nominal impedance 8 Ohms. Four power taps of the line transformer, bypass mode (8 Ohms).

Technical specifications

Broadband emitter	2 ' Sound coil with HEXATECH &TRADE aluminum wire; At 1.34 ° C. MM polypropylene flat membrane with double neodymium magnet
Program Power	90 W
RMS Power	40 W
Transformer taps	3, 6, 12, 25 W - 70 V 6, 12, 25, 50 W - 100 V bypass mode
Sensitivity	83 dB (1 W / m)
Maximum sound pressure level	100 dB
Frequency Response	120 Hz - 20 kHz (± 3 dB)
Impedance	8 ohms in operation without a transformer
Crossover frequency	120 Hz
Cutting steepness	6 dB at octave
Housing material	steel
Operating temperature range	0…+40 °C
Storage temperature range	−40…+70 °C
Dimensions (WxH)	350 x 260 mm
Weight	1,6 kg
Mounting hole (WxH)	318 x 238 mm
Installation depth	57 mm