TOA Electronics IQ 18B user manual Frequency Response

Models: IQ 18B

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Frequency Response

Frequency Response

(+/- 3dB) 39Hz - 230Hz, (-10dB Point) 33Hz

Recommended Amplifier Power

600 - 1200 watt / 8 ohm

 

Power Handling

Average (2)

Programme

Peak (10ms)

 

600 watt

1200 watt

2400 watt

Sensitivity (1)

 

 

 

2.83 volt @ 1m (20-180Hz)

104dB (half space)

 

Maximum SPL (3)

Average

Peak

 

@ 1m

132dB

138dB

 

Impedance

Nominal

8.0Ω

 

 

Minimum

7.0Ω

 

Distortion

2nd Harmonic

3rd Harmonic

 

10% Full Power

 

100 Hz

1.91%

0.59%

 

250 Hz

0.78%

1.11%

 

1% Full Power

2nd Harmonic

3rd Harmonic

 

100 Hz

0.56%

0.47%

 

250 Hz

0.37%

0.47%

 

Driver Complement

1 x 18” (458mm) LF Driver

 

Crossover Point

70Hz-230Hz, 24dB/Octave

 

Enclosure

Trapezoidal folded horn 18mm birch plywood

Finish

Textured black/grey paint

 

Connectors

2 x Speakon™ NL4MP – in/out

 

Fittings

4 x Recessed Carrying Handles, 8 x M10 flying inserts

 

2 x Pullback points

 

Accessories

SR18 Flying Kit, SR1810 Flying Kit, SCB

 

Beam Kit

 

 

Dimensions

980mm x 680mm x 540mm (38 9/16 x 26 3/4 x 21 1/4")

Weight

55kg (121.3lbs)

 

 

Shipping Dimensions

1040mm (H) × 700mm (W) × 590mm (D)

 

41” (H) × 27.6” (W) × 23.2” (D)

 

Shipping Weight

55 kg

 

 

 

121 lb

 

 

NOTES:(1) Average over stated bandwidth. Measured at 1m on axis, in an anechoic chamber.

(2)Long term power handling capacity as defined in EIA standard RS - 426A.

(3)Unweighted pink noise input, measured at 1m

Tannoy operates a policy of continuous research and development. The introduction of new materials or manufacturing methods will always equal or exceed the published specificat ions which Tannoy reserve the right to alter without prior notice.

Please verify the latest specifications when dealing with critical applications

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TOA Electronics IQ 18B user manual Frequency Response