Phase Technology RS4-EZ User Manual

Rs4-ez, Open-celling speaker

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Specifications: RS4-EZ

System Type

Frequency Response (- 3 dB)

1

Low Frequency (-10 dB)

1

Max. Program Power
Max. Continuous Power

2

Max. SPL dB @ 1 M
Sensitivity dB @ 1W/1M

3

Impedance (nominal)
Tap Selector / Inputs
Coverage Angle (-6 dB @ 2 kHz)
Directivity Factor (Q)
Directivity Index (DI)
Transformer Taps





Transducer
Low-Frequency Driver

Enclosure Material
Grille
Inputs
Color Options
Diameter
Total Height
Weight
Shipping Weight
Accessories
Included

Optional
Packaging

4” Full-range, open-ceiling, ported (20 Watt transformer
for 25/70.7/100 Volt or voice coil/8Ohm applications)
94 Hz - 13 kHz
69 Hz - 22 kHz
40 Watts
20 Watts
104.5 dB
91.5 dB

(average over published frequency response range, 2.83V)

8 Ohm (nominal)
5-Position rotary switch with voice coil direct (8 Ohm)
160º
6.66 (Averaged 100 Hz - 10 kHz); 3.52 @ 2 kHz
6.80 dB (Averaged 100 Hz - 10 kHz); 5.47 dB @ 2 kHz





1 x 101 mm (4.0 in) Extended-range paper cone,
treated cloth surround
Injection molded ABS, glass fiber reinforced
Iridite-plated, steel with powder-coat finish
4 Pin, 5 mm Euroblock for individual or daisy chain connection
Black or white
197 mm / 7.7 in
224 mm / 8.8 in
1.8 KG / 3.9 lbs
3.1 hG / 6.8 lbs

Hanging hardware, Euroblock connector & terminal weather boot
N/A
1 Per box

© 2006 SoundTube Entertainment, Inc. All rights reserved. PN TS-CM600 REV 3.03.06

Key Features

• One 101 mm (4 in) full-range, treated

fiber driver mounted to an ABS baffle.

• Weatherized components for indoor &

outdoor applications.

• Includes hanging hardware with aircraft

cables and integrated SpeedClamp

self-locking wire grip for fast, easy &

secure installation. Also includes Eurob-

lock connector & terminal weather boot.

• Patented ZeroReflection

enclosure tech-

nology for optimal sound reproduction

& cabinet rigidity.

• Easy access 5-position selectable tap

switch for 25, 70.7 and 100 Volt applica-

tions with voice coil/8 Ohm direct sim-

plifies ordering & inventory tracking.

• Iridite-plated steel grille with protective

powder-coated finish for lasting durability.

• 91.5 dB average sensitivity offers high-

output capabilities & reduced amplifica-

tion costs.

• High-quality black or white paint finish.

Description

The RS4-EZ is a 4.0” extended-range

ported speaker with an open-ceiling

enclosure design. Hanging hardware is

included and features SpeedClamp™

self-locking wire grip for fast, easy and

secure installation. SoundTube’s custom-

engineered driver and electro-acoustic

network delivers high-performance sound

in a cost-effective speaker design. The

RS4-EZ speaker incorporates a low-profile

grille and a 5-position tap switch with

voice coil/8 Ohm direct.

Applications

Designed for indoor and outdoor back-

ground to mid-level SPL applications, the

RS4-EZ includes a single-point mounting

system for rapid open-ceiling installations.

Cost-effective engineering with high-per-

formance sound makes the RS4-EZ speaker

ideal for music & paging applications in

retail, grocery stores, restaurants, hotels,

casinos, museums, trade shows and confer-

ence rooms. For applications where addi-

tional bass is required, SoundTube’s RS801i

8” subwoofer provides bass down to 40 Hz.

RS4-EZ

Open-Celling Speaker

Technical Information for System Engineers

70.7 V

Output

100 V

Output

25 V

Output

20 W 104.5 dB

20 W 104.5 dB

2.5 W

95.5 dB

10 W

101.5 dB

10 W

101.5 dB

1.25 W

92.5 dB

5 W

98.5 dB

5 W

98.5 dB

0.63 W

89.5 dB

2.5 W

95.5 dB

0.31 W

86.5 dB

1

Frequency response is measured in full space and includes a low-frequency peak > + 3 dB.

2

Continuous power rating, EIA-426-B test.

3

2.83 Volts at a distance of 1 meter.

SoundTube continually develops new product innovations and improvements. Updates to existing

products without prior notice are an example of SoundTube’s drive for constant improvement.

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