Eaw SMS4 User Manual download pdf (Page 5)

SMS4 – 5

7. SPECIFICATIONS

SYSTEM

Freq. Range (–10 dB): 60 Hz–23 kHz

Freq. Response (–3 dB): 75 Hz–20 kHz

Horz. Coverage Angle (–6 dB): 110° averaged 800 Hz to 16 kHz

Vert. Coverage Angle (–6 dB): 110° averaged 800 Hz to 16 kHz

Directivity Factor; Q (DI): 5.6 (7.5) averaged 800 Hz to 16 kHz

System Sensitivity

1

: 87 dB, 1W @ 1m

Rated Maximum SPL: 108 dB, @ 1m

System Nominal Impedance: 4Ω (bypassed)

System Input Power Rating

2

Applicable Power: 60W rms (bypassed)

Musical Power: 120W rms (0.5 sec ON, 0.5 sec OFF, bypassed)

Peak Power:

150W rms (60W rms + 4.5 dB crest factor,

bypassed)

Constant Voltage: 25V, 50V, 70V, 100V

Power Taps: 1W, 5W, 10W, 20W, 30W

Crossover: 4.0 kHz

TRANSDUCERS

Low-Frequency: 5 in/130 mm carbon ber woofer

High-Frequency: Horn loaded 0.5 in/13 mm dome tweeter, Ferrouid cooled

PHYSICAL

Enclosure: 45° back angles, high density polystyrene

Attachment Inserts: Four points M6 threaded, two on back, one on top, and one on bottom

Mounting Hardware: Wall-mount ball-joint support bracket

Color: Matte black (SMS4) or white (SMS4W), scratch resistant paint

Grille: Matching perforated steel grille

Input Connectors: Spring-loaded terminal

Dimensions (HxWxD): 10.62 in/270 mm x 7.36 in/187 mm x

6.77 in/172 mm

Net Weight: 8.0 lb/3.6 kg

1 Measured on axis in the far eld with 1 watt (2.00 V rms @ 4 ohms) input and referenced to 1 meter distance using the inverse square law. Listed

sound pressure represents an average from 300 Hz to 3 kHz.

2 The specications provide three power values, which are determined by submitting the speaker to a series of laboratory tests lasting two hours

each. In the test for Applicable Power, pink noise is applied in the operating range of the speaker, and the signal is ltered at the ends of the band

with a 12 dB/octave slope. The applicable power value indicated is an rms value. The signal peaks present in the pink noise, adjusted according

to the type of speaker being tested (e.g., +4.5 dB with respect to the average level), are used for determining the Peak Power value. To identify the

Musical Power, the rms power value obtained in the rst test is doubled, applying it with impulses lasting 0.5 seconds (0.5 sec ON), and at an interval

of 0.5 second between one application and the next (0.5 sec OFF). For all the tests, the maximum power that the speaker can withstand without sus-

taining permanent damage is assumed as the power value.

Eaw SMS4 User Manual Page 5

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Eaw SMS4 User Manual Page 5

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