Specifications:

Usable Axial Frequency Response in Typical Enclosure (4.0 ft3 tuned

SD:

..........................................................................

 

 

0.130 m2 (201 in.2)

to 40 Hz), Swept One-Third-Octave Pink Noise, 4 Volts at 10 Feet,

MMD:

 

 

0.151 kg (0.333 lb)

Anechoic Environment, Normalized for 1 Watt/1 Meter: ...... 30-3,000 Hz

LE :

 

 

2.7 mH

Power Handling Per ANSI/EIA RS-426-A 1980:

400 watts

CMS:

 

 

.0.246 mm/N

Per AES2-1984/ANSI S4.26-1984,

 

RMS:

 

 

4.08 mechanical ohms

 

50-500 Hz:

400 watts

PE(max) (per ANSI/EIA RS-426-A 1980):

400 watts

 

X

 

1:

 

 

5.59 mm (0.22 in.)

Sensitivity (SPL at 1 m, 1 watt input power, nominal impedance),

 

 

 

 

MAX

 

 

 

 

 

 

 

 

X

 

2:

 

 

12.7 mm (0.50 in.)

 

200- to 4,000-Hz Average:

96 dB

 

lim

 

 

 

 

 

 

V

D

(S

x X

MAX

):

0.725 liters (0.0256 ft3)

 

100-to 800-Hz Average:

96 dB

 

D

 

 

 

 

 

Thermal Rise after Power Test:

85 (185 F)

Impedance Response:

 

 

Typical Vented Enclosures:

8.0 ft3 tuned to 36 Hz

 

Minimum (Zmin):

7.5 ohms at 150 Hz

 

Additional Descriptive Information,

 

 

 

Nominal:

8 ohms

 

 

 

Magnet Weight:

2.2 kg (4.9 lb)

Distortion Response (on axis in standard baffle, 10% rated input

Magnet Material:

Barium ferrite

power:

 

 

Frame:

........................................................................

 

Cast aluminum

Second Harmonic:

 

 

 

 

 

Frame Finish:

Textured black epoxy

 

100 Hz:

-45 dB (0.6 %)

 

Plating of Steel Parts:

Bright Cadmium

 

1,000 Hz:

-41 dB (0.9 %)

 

Voice-Coil Material:

Copper

Third Harmonic:

 

 

Voice-Coil Insulation:

Polyimide 220°C rating

 

100 Hz:

-41 dB (0.9 %)

 

Voice-Coil Form:

Polyimide

 

1,000 Hz:

-38 dB (1.3 %)

 

Back Cover:

Black, advanced synthetic elastomer

Beamwidth (angle included by 6-dB-down points on polar

Net Weight:

 

9.3 kg (20.5 lb)

responses for octave bands of pink noise; See ),

 

 

 

Optional Accessories:

 

 

 

500 Hz:

90°

 

 

 

SMH-1 mounting hardware kit

 

 

 

1,000 Hz:

70°

 

 

 

1. Xmax is the one-way peak excursion which produces 10% THD of

 

2,000 Hz:

45°

 

 

 

the current wavetorm when driven at f s.

 

 

Physical Constants,

 

 

 

 

 

 

2. Displacement limit is the one-way peak excursion which, when

 

Effective Piston Diameter:

406.0 mm (16.0 in.)

 

 

 

exceeded, will cause physical damage to the drive mechanism.

 

Moving Mass (MMo):

0.151 kg (0.333 lb)

 

 

 

 

 

 

 

 

 

 

 

 

Voice-Coil Winding Depth:

20.3 mm (0.8 in.)

 

 

 

 

 

 

 

 

 

Voice-Coil Diameter:

63.5 mm (2.5 in.)

 

 

 

 

 

 

 

 

 

Voice-Coil Winding Length:

26.9 m (88.4 ft)

 

 

 

 

 

 

 

 

 

Top Plate Thickness at Voice Coil:

10.9 mm (0.43 in.)

 

 

 

 

 

 

 

 

 

BL Factor:

22.5 tesla meter

 

 

 

 

 

 

 

 

Thiele-Small Parameters (broken in),

 

 

 

 

 

 

 

 

 

 

fS :

24 Hz

 

 

 

 

 

 

 

 

 

V :

580.5 liters (20.5 ft3)

 

 

 

 

 

 

 

 

 

AS

 

 

 

 

 

 

 

 

 

 

QES:

0.269

 

 

 

 

 

 

 

 

 

OMS:

6.59

 

 

 

 

 

 

 

 

 

QTS:

0.259

 

 

 

 

 

 

 

 

 

RE:

6.0 ohms

 

 

 

 

 

 

 

 

 

η0:

2.9 %

 

 

 

 

 

Figure 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimensions: (in)

 

 

A

18.24

 

 

B

0.79

 

 

C

7.70

 

 

D

0.50

 

 

E

7.42

 

 

F

17.37

 

 

G

0.28 x 8

 

 

Dimensions

USA

12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-884-4051, FAX: 952-884-0043

Canada

705 Progress Avenue, Unit 46,Scarborough, Ontario, Canada, M1H2X1,Phone: 416-431-4975, 800-881-1685, FAX: 416-431-4588

Germany

Hirschberger Ring 45, D94315, Straubing, Germany, Phone: 49 9421-706 0, FAX: 49 9421-706 287

France

Parc de Courcerin, Alle Lech Walesa, Lognes, 77185 Marne La Vallee, France, Phone: 33/1-6480-0090, FAX: 33/1-6480-4538

Australia

Unit 23, Block C, Slough Business Park, Slough Avenue, Silverwater, N.S.W. 2128, Australia, Phone: 61/2-9648-3455, FAX: 61/2-9648-5585

Hong Kong

Unit E & F, 21/F, Luk Hop Industrial Bldg., 8 Luk Hop St., San PO Kong, Kowloon, Hong Kong, Phone: 852-2351-3628, FAX: 852-2351-3329

Japan

5-3-8 Funabashi, Setagaya-ku, Tokyo, 156-0055 Japan, Phone: +81 (0) 3-5316-5020, FAX: +81 (0) 3-5316-5031

Singapore

3015A Ubi Rd 1, 05-10, Kampong Ubi Industrial Estate, Singapore 408705, Phone: 65-746-8760, FAX: 65-746-1206

Mexico

Av. Parque Chapultepec #66-201, Col. EI. Parque Edo. Mex. 53390, Phone: (52) 5358-5434, FAX: (52) 5358-5588

UK

4, The Willows Centre, Willow Lane, Mitcham, Surrey CR4 4NX, UK, Phone: 44 181 640 9600, FAX: 44 181 646 7084

Africa, Mid-East

12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7424, FAX: 952-887-9212

Latin America

12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7491, FAX: 952-887-9212

www.electrovoice.com • Telex Communications, Inc. • www.telex.com

© Telex Communications, Inc. 02/2001

Part Number 38109-948 Rev A

U.S.A. and Canada only. For customer orders, contact the Customer Service department at 800/392-3497 Fax: 800/955-6831 For warranty repair or service information, contact the Service Repair department at 800/685-2606

For technical assistance, contact Technical Support at 866/78AUDIO

Please refer to the Engineering Data Sheet for warranty information.

Specifications subject to change without notice.

Page 2
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Telex DL18MT specifications Specifications

DL18MT specifications

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