Cleanroom Lighting and Electrical Equipment

Cleanroom PA Speaker

A flush ceiling or wall loudspeaker with a smooth protected face for announcements, alarms and production paging.

Flush Cleanable Speaker Face
Sealed Protective Back Can
Wide Speech Coverage
Line Transformer Option

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Product Introduction

The cleanroom PA speaker mounts into a ceiling or wall panel with a gasketed flange and sealed rear can. A flat perforated stainless grille, acoustically transparent membrane or protected microperforated face distributes sound without exposing the cone and terminals. Transformer taps support distributed 70/100 V lines, while a low-impedance version serves local intercom or paging zones.

Key Features

The room-facing grille is flat and removable only with retained tools.

A sealed back can protects the driver from plenum dust and condensation.

Wide dispersion reduces loud and quiet spots between adjacent speakers.

Transformer taps match output level to the paging zone design.

A perimeter gasket closes the speaker flange to the ceiling panel.

Customer Product Concerns

A speaker must release sound efficiently while its cone, wiring and ceiling cutout remain protected from the controlled room.

An open speaker cone collects dust and cleaning mist.A protected acoustic face and sealed rear can isolate the driver.

Narrow dispersion leaves announcements unclear between devices.A wide-coverage driver distributes speech more evenly over the zone.

A ceiling cutout leaks around the speaker frame.The overlapping flange compresses a continuous panel gasket.

Different zones require different sound levels on one line.Selectable transformer taps set local speaker power without separate amplifiers.

Typical Applications

Cleanroom announcementsEmergency voice messagesShift and process pagingAirlock communication zones

Technical Parameters

Typical configurable construction ranges for a cleanroom PA speaker are listed below.

Core Material	Steel or ABS back can with dynamic loudspeaker, line transformer and stainless or coated acoustic face
Panel Thickness	80-180 mm recessed speaker and back-can depth
Effective Width	160-300 mm visible grille diameter or width
Maximum Length	Up to 320 mm overall speaker assembly dimension
Steel Facing Thickness	0.8-1.5 mm stainless or coated room-side grille and back can
Core Density	Approximately 1200-1400 kg/m³ for the flame-retardant polymer baffle components
Thermal Conductivity	0.20-0.35 W/(m·K) for the polymer baffle
Surface Finish	White powder-coated or fine-brushed stainless face with white or black protected acoustic membrane
Joint Type	Gasketed flush flange with retained acoustic grille, sealed back can and terminal entry gland
Customization	Available based on the intended application and operating environment.

Available Options

Ceiling or wall mount70/100 V transformer or low impedanceRound or square faceWhite coated or stainless grille

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