The IS5c is an ultra-compact, light-weight, passive 2-way coaxial loudspeaker, with a 100° conical dispersion pattern. Designed to produce linear, high-resolution audio throughout its intended bandwidth, the enclosure contains a 1.4” dome compression driver coaxially combined with a 5” low frequency transducer.

The cabinet construction uses marine grade birch plywood as well as aircraft grade aluminum and steel, and is equipped with two Speakon™ NL4 connectors, as well as a 2-point barrier strip. A plate and screw rigging system is placed on top and bottom of the enclosure, with available accessories allowing the enclosure to be deployed seamlessly in a variety of applications.

The IS5c is suited to supplement larger systems as a fill cabinet, or to handle smaller applications on its own. Target applications include performing arts centers, conference rooms, night clubs, restaurants, and houses of worship.

Frequency Range (+/-3 dB) 95 Hz - 20 kHz
Nominal Directivity (-6 dB) H x V 100° Conical
Maximum Peak SPL** 123 dB
Components MF/HF 5” LF / 1.4” Dome Compression Driver
Nominal Impedance Passive 16 Ω
Power Handling (AES / Peak) Passive 125 / 500 W

Top and Bottom mini-SLR discs, each containing 3/8” threaded insert

Connection 2x Speakon™ NL4 and 2-Point Barrier Strip
Height Front (mm / in) 149 / 5.75
Height Back (mm / in) 149 / 5.75
Width (mm / in) 153 / 6
Depth (mm / in) 134 / 5.25
Weight (kg / lbs) 2.25 / 5
Supported Processing Lake, IPD, IPX

**12 dB crest factor pink noise at 1m, free field, using specified processing and amplification

IS5c IS5c Tilt Bracket (934-0046) Bracket for installing IS5c.
IS5c Spec Sheet One page spec sheet for the IS5c n/a
IS5c User Manual Comprehensive User Manual for the IS5c 4.25 MB
3D CAD Drawings 3D CAD drawings of all IS-Series enclosures and rigging accessories 59.48 MB
Adamson Amplification Chart V5.3 Displays the maximum amount of Adamson loudspeakers that can be used with approved amplifiers. 460.43 KB
ADAMSON EASE Data V16 Complete GLL library for all Adamson loudspeaker products n/a


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