Acoustic Speaker Grille Foam 140x75cm Sheet 5mm

Monacor MDM-140 Acoustic Speaker Grille Foam Sheet - Part No. 11.9100

Description
The Monacor MDM-140 is a high-grade, acoustically transparent foam sheet engineered specifically for speaker front grilles, PA cabinets, and protective acoustic covers. Manufactured from flexible open-cell polyurethane, this 5 mm thick anthracite-coloured sheet shields delicate speaker drivers from dust, debris, and light physical impact without muffling or dampening sound frequencies. Easy to trim to any shape using shears or a utility knife, it provides a clean, professional finish for new loudspeaker builds and vintage hi-fi grille restorations.

Technical Specifications:

• Model / Part Number: MDM-140 (0119100)
• Material: Open-cell polyurethane (PU) foam
• Colour: Anthracite (charcoal / dark grey)
• Thickness: 5 mm
• Dimensions: 1,400 x 750 x 5 mm (approx. 1 m² total area)
• Net Weight: 0.126 kg (126 g)
• Permissible Ambient Temperature: 0 - 40 °C
• Package Quantity: 1 sheet

Suggested Uses & Applications:

• PA & Professional Loudspeaker Cabinets: Protective front grille foam layer for live sound PA enclosures, stage monitors, and subwoofer grilles.
• Vintage Hi-Fi Grille Restoration: Replacing aged, crumbled, or rotting original foam grilles on classic home audio speakers.
• Custom DIY Speaker Building: Custom acoustic front covers for home theatre speakers, soundbars, and studio monitors.
• Equipment Case Padding: Protective lining for flight cases, tool cases, and delicate audio hardware transport boxes.

Installation & Application Notes:

• Acoustic Transparency: Open-cell structure is designed exclusively for high sound transmission over driver fronts.
• Not for Internal Cabinet Damping: This foam is designed for external grille covering and sound passthrough. It is not suitable for internal cabinet acoustic damping or sound absorption (for internal enclosure damping, please view our range of acoustic damping wool and fleece).
• Easy Custom Fitting: Cut cleanly using sharp scissors, shears, or a utility knife along a straight edge. Can be secured to metal or wooden grille frames using suitable spray adhesive or contact cement (spot test first).