applicable to the combustible and explosive places, with a variety of power amplifier PA equipment used in conjunction, SummaryThe explosion-proof loudspeaker (explosion-proof loudspeaker) for flameproof horn loudspeaker, applicable to the combustible and explosive places, with a variety of power amplifier PA equipment used in conjunction, for amplifying call or alarm.Type meaningTechnical index1 explosion-proof symbol: Exd Ⅱ BT6, Exd Ⅱ CT62 of the rated power: 5VA, 10VA, 15VA, 25VA, 35VA3 frequency response: 250 ~ 7000Hz4 sound pressure output: 105 ~ 106dB (/1M rated power)5: 8 Ω, 16 Ω impedanceThe 6 audio input voltage: 100 ~ 120V (or other value, made by the user)7 protection grade: IP54 (special requirements can be achieved IP65)Method of use1 dYH - 3 type is a low resistance load explosion-proof loudspeaker, 5VA explosion-proof loudspeaker load impedance of 8 ohm; 10VA, 15VA, 25VA and 35VA explosion-proof loudspeaker load impedance of 16 ohm.The general distance PA power amplifier devices nearer to use.2 dYH 3A is set pressure explosion-proof loudspeaker input, input 120V (or other value) audio signal after explosion cavity audio transformer and then sent to a speaker voice coil.The general distance PA power amplifier device is far use.Wiring method, see below.3 explosion-proof loudspeaker with two bolts on a support.Explosion proof speaker terminals in explosion cavity through the inlet, the cable tightening.Cable diameter of 8 mm, the core wire cross-sectional area in 0.5 square millimeters above the two core cable can be.
Explosion proof loudspeaker
