Additional information
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The IG4M is a limited bandwidth “satellite” speaker, intended to be used with a subwoofer and a power amplifier with a 90Hz, 18dB/octave high pass filter (crossover) such as the NEAR 3XL series amplifier.
- In-ground or on-ground stake mounting (ground stakes supplied)
- Purpose-built to be extremely durable in all weather conditions
- Built-in multi-tap 70V transformer with rotary switch selections for 64W, 32W, 16W with 16-Ohm bypass
- Anodized metal alloy speaker cones (MDT) maintain specified performance over a broad range of temperatures (-20 to +160 degrees F; -29 – +71 C) for consistent sound quality in every season
- Durable powder-coated aluminum grille
- Rectangular grille perforations to prevent clogging
- Magnetic Liquid Suspension (MLS) spiderless motor uses specially developed Ferrofluid to center the voice coil and eliminate spider-generated distortion
- Dual-layer voice coil with inside and outside windings for ultra-low distortion
- Water and dust-proof (IP67) input connectors eliminate long term connection problems
- Dual speaker wire connectors allow easy daisy chain wiring
- Acoustically inert color-through ¼-inch thick polyethylene enclosure stands tough even under the most extreme conditions and hides nicks and scratches
- Advanced SupraPolymer driver surround resists UV rays, chlorine, fertilizer, and salt spray
- Hydrophobic fabric port covers prevent entry of water, debris, and small creatures
- 20-foot speaker cable terminated with IP-67 connectors included
- Frequency Response – 70Hz-19kHz, +/-3dB
- Sensitivity (1W/1m) – 86dB
- Dispersion – Minimum120 degrees, horizontal & vertical
- Power Requirements – 70V with selectable 64, 32, and 16 watts power output; 16 ohm bypass up to 75W average
- Dimensions – 19.7cm diameter at base, 49.5cm high stake mounted, H 25.4–30.5cm buried
- Product Weight (w/ground stake) – 3.63kgs
- Maximum SPL @1m (1/2 space) – 105dB
- Input Terminations – Waterproof plug (IP68 rating) X 2
- Environmental – Engineered to meet or exceed Mil-Std-810 – (Humidity, Salt Air, Heat, Cold, Immersion); IEC IP65
SPEAKER COMPLEMENT:
• (1) 4.5” Metal-Alloy Diaphragm Woofer, MLS voice coil guidance, UV and Chemical-Resistant Rubber Supra Polymer TM surround
• (1)1.1”Metal-AlloyDiaphragmTweeter,Ferrofluiddamping,UV and Chemical-Resistant Rubber Supra Polymer TM surround, Neodymium magnet