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Introduction
This user guide contains information about the Extron FF 220T Flat Field speaker. This
speaker is designed for use in plenum rated ceiling spaces and can be dropped into a
square (2‑foot by 2‑foot or 600 mm by 600 mm) or rectangular (2‑foot by 4‑foot or 600 mm
by 1200 mm with supplied cross bars) false ceiling tile space on a T‑bar grid.
The FF 220T features a low profile design that houses a 3‑inch driver and has the
appearance of a standard ventilation grill. All the drivers and components above the ceiling
are hidden behind the grill.
Features
• Drop‑in ceiling tile speakers for suspended ceilings
• UL 2043 plenum rated enclosure
• Extron patent pending Flat Field technology for consistent sound levels across the
listening area, reducing the number of speakers required
• A 3‑inch (7.6 cm) horn‑loaded, full range driver provides extended low frequency
response.
• The white perforated grille matches the appearance of air conditioning vents.
• 8 ohm direct or 70/100 volt operation with 16, 8, 4, 2, and 1 watt selectable power taps
accessed with speaker wiring connections inside the rear panel
• Frequency response of 68 Hz to 18 kHz
• 16 watts continuous pink noise, 32 watts continuous program rated
• Wide 170° dispersion
• Low profile enclosure for plenum environments
• 5 year parts and labor warranty
FF 220T User Guide • Introduction 1