Data sheet

DB20

This range of loudspeakers, intended for use in potentially explosive atmospheres, has a power rating of up to 8 Watts and is suitable for use in the harsh environmental conditions found offshore and onshore in the oil, gas and petrochemical industries.

The body and cover are manufactured from a UV stable glass reinforced polyester.

The flare is manufactured from UV stable ABS. Stainless steel screws and mounting stirrup are incorporated to ensure a corrosion-free product.

  •  IP66 & IP67.

  • Certified temperature: –50ºC to +70ºC*.

  • GRP corrosion-free flamepath.

  • 112dB(A) at 8 watts at 1 metre (IIB Version).

  • Power tappings via integral transformer.

  • Ratcheted swivel mounting stirrup.

  • Stainless steel fixtures.

  • 100V or 70V line and 8Ω versions available.

  • Earth continuity available.

  • 8 terminal option to facilitate ‘loop in and loop out’ wiring.

*Temperature class relates to ambient temperature (see over)

Material:

Body & Cover - UV stable, glass reinforced polyester.

Outer flare - UV stable ABS.

Mounting stirrup and fixtures in stainless steel.

Finish:

Natural black or painted or to client’s requirements

Rated Power:

8 Watts RMS continuous (at 25ºC)

Output:

IIB version:   Maximum output at 1W/1M is 103 dB(A).

                     Maximum output at 4W/1M is 109 dB(A).

                     Maximum output at 8W/1M is 112 dB(A).

IIC version:   Maximum output at 1W/1M is 100 dB(A).

                     Maximum output at 4W/1M is 106 dB(A).

                     Maximum output at 8W/1M is 109 dB(A)

Frequency Range:

400Hz to 7kHz

Voice Coil Impedance:

8 ohms

Certified Temp:

IIB version:      Tamb -50ºC to +70ºC (T3) and

                        Tamb -50ºC to +40ºC (T4).

IIC version:      Tamb -50ºC to +70ºC (T4) and

                        Tamb -50ºC to +40ºC (T5).

Weight:

1.5kg approx