Telex DL18MT specifications Specifications

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.