Architectural Specifications

iw4 DC

Architectural specifications

The in wall speaker shall consist of a 100mm (4.00") full range, point source Dual Concentric™ transducer mounted in an injection moulded front baffle manufactured from UV/weather resistant UL94V-0 ABS material. The two-way system shall incorporate an optimised low loss crossover network. The wiring terminals shall be gold plated spring loaded connectors.

Performance of the in-wall speaker shall meet or exceed the following criteria: The system shall have a conical coverage angle of 130 degrees (1kHz to 6kHz). Frequency response measured on axis shall be 73Hz -54kHz (-10dB from rated sensitivity, measured in an IEC baffle in an anechoic chamber) with no equalization. Sensitivity shall be 88dB (1W @ 1m). Longterm power handling capacity as defined in EIA-426B test shall be 60W, recommended amplifier power 120W @ 8 Ohms. The nominal system impedance shall be 8 Ohms.

In 70V or 100V distributed audio systems the iw4 DC shall be used with the optional accessory THP30 high performance, low insertion loss transformer with 30, 15, 7.6 and 3.75W taps* available.

Aweather resistant perforated steel grille covers the transducer. Both the grille and baffle shall be paintable. The system shall not exceed the following dimensions:

Front Baffle 238mm x 159mm (9.37” x 6.26”), Front of baffle to rear 89mm (3.51”) of magnet assembly, Front of wall to rear 84mm (3.31”) of magnet assembly Hole cutout size shall be 206 x 135mm or 8.11 x 5.31".

The in wall speaker system shall be the.....iw4 DC.

*70.7 Volt only

Tannoy United Kingdom

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T:00 44 (0) 1236 420199

T:00 1 (519) 745 1158

T:00 49 (180) 1111 881

T:00 33 (0)1 7036 7473

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Tannoy adopts a policy of continuous improvement and product specification is subject to change

iW4DC data file issue:1.06 // 15.01.08