Phase Technology RS4-EZ specifications Open-CellingSpeaker, Key Features, Description

RS4-EZ

Open-Celling Speaker

Technical Information for System Engineers

Specifications: RS4-EZ

System Type			4” Full-range, open-ceiling, ported (20 Watt transformer
			for 25/70.7/100 Volt or voice coil/8Ohm applications)
Frequency Response (- 3 dB)1			94 Hz - 13 kHz
Low Frequency (-10 dB)1			69 Hz - 22 kHz
Max. Program Power			40 Watts
Max. Continuous Power2			20 Watts
Max. SPL dB @ 1 M			104.5 dB
Sensitivity dB @ 1W/1M3			91.5 dB (average over published frequency response range, 2.83V)
Impedance (nominal)			8 Ohm (nominal)
Tap Selector / Inputs			5-Position rotary switch with voice coil direct (8 Ohm)
Coverage Angle (-6 dB @ 2 kHz)			160º
Directivity Factor (Q)			6.66 (Averaged 100 Hz - 10 kHz); 3.52 @ 2 kHz
Directivity Index (DI)			6.80 dB (Averaged 100 Hz - 10 kHz); 5.47 dB @ 2 kHz
Transformer Taps
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
Transducer
Low-Frequency Driver			1 x 101 mm (4.0 in) Extended-range paper cone,
			treated cloth surround
Enclosure Material			Injection molded ABS, glass fiber reinforced
Grille			Iridite-plated, steel with powder-coat finish
Inputs			4 Pin, 5 mm Euroblock for individual or daisy chain connection
Color Options			Black or white
Diameter			197 mm / 7.7 in
Total Height			224 mm / 8.8 in
Weight			1.8 KG / 3.9 lbs
Shipping Weight			3.1 hG / 6.8 lbs
Accessories
Included			Hanging hardware, Euroblock connector & terminal weather boot
Optional			N/A
Packaging			1 Per box

1Frequency 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.

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.

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