ELECTRO-VOICE 205 Series Specification

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Brand: Electro-Voice

Category: Speakers

Type: Specification for Electro-Voice 205 Series

Pages: 4 (0.5 Mb)

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© Telex Communications, Inc. 02/2001
Part Number 38109-862 A
205 Series
4-Inch Full-Range
Ceiling Loudspeakers
COMMERCIAL
General Product Description
The Electro-Voice® 205 is a high quality 4-inch, full-range
loudspeaker for distributed sound systems.
An acoustically transparent dome encloses a small, centrally
mounted free-edge cone which is used to improve
high-frequency dispersion.
The 205 is suitable for use in applications requiring highly
intelligible speech or smooth musical reproduction.
To ensure long-term reliability in installations, the 205-8A is
designed to handle 10 watts continuous power (40 watts
peak) of shaped white noise for eight hours per EIA Standard
RS-426A 1980.
The 205-4T includes a 4 watt transformer, allowing
connection to 25/70.7/100- volt line, with taps of 0.5 to 4
watts.
The 205-8T includes an 8 watt transformer, allowing
connection to 70.7/100- volt line, with taps of 1 to 8 watts.
Architects’ and Engineers’ Specifications
The loudspeaker shall be a ceiling loudspeaker with a
nominal diameter of 128 mm (5.1 in.), an overall depth of
56 mm (2.2 in.) for the 205 and 94 mm (3.7 in.) for the 205-
4T, and shall weigh no more than 0.9 kg (2.0 lb) for the 205,
1.3 kg (2.8 lb) for the 205-8T. The voice coil shall have a
nominal diameter of 25.4 mm (1.0 in.) and length of 7.6 mm
(0.3 in.) and shall operate in a gap of not less than 1.0 T
(10,000 Gauss).
The loudspeaker shall exhibit a sensitivity (SPL, 1 watt at 1
meter (3.28 ft) averaged (200 - 4,000 Hz) of no less than 91
dB on axis maintaining an essentially flat frequency
response with 3 dB-down points at 65 Hz and 16,000 Hz in
a two-cubic-foot sealed box in a free field. The half-space
reference efficiency shall be 0.8%. The nominal impedance
shall be 8 ohms and the dc resistance shall be 6.5 ohms.
The loudspeaker shall be capable of handling a continuous
10-watt (8.6 volts true RMS) shaped white-noise signal (as
per EIA Standard RS-426A 1980) with a 6-dB crest factor
for eight hours.
The loudspeaker shall be the model 205-8A. When fitted
with a transformer that allows connection to 25/70.7/ 100-volt
systems of 0.5 to 4 watts, the loudspeaker shall be referred
to as the model 205-4T. When fitted with a transformer that
allows connection to 70.7/100-volt systems of 1 to 8 watts,
the loudspeaker shall be referred to as the model 205-8T.
Frequency Response: 90 - 18,000 Hz, ±5 dB (see last page)
Power-Handling Capacity: .......................................... 10 watts
(per EIA RS-426-A 1980 (85 - 15,000 Hz bandlimited pink noise,
6-dB crest factor):
Impedance:
Nominal: .................................................................. 8 ohms
Minimum: ............................................... 6.7 ohms (230 Hz)
Sound Pressure Level: ................................................... 91 dB
(at 1 Meter, 1 Watt Input, 200 - 4,000 Hz Average)
Maximum SPL: ....................................... 101 dB for 10W @ 1M
Voice-Coil Diameter: ...................................... 25.4 mm (1.0 in.)
Magnet Weight: ............................................... 0.32 kg (0.72 lb)
Magnet Material: ................................................. Barium Ferrite
Flux Density: ............................................................... 1.0 Tesla
Speaker Frame: .................................. 22-gauge stamped steel
Frame Color: ...................................................................... Black
Dimensions:
205-8A / 205-4T / 205-8T
Diameter: ................................................... 206 mm (8.1 in.)
Height:
205-8A .......................................................... 56 mm (2.2 in.)
205-4T / 205-8T: .......................................... 94 mm (3.7 in.)
Net Weight:
205-8A: ........................................................... 0.9 kg (2.0 lb)
205-4T / 205-8T: ............................................ 1.3 kg (2.8 lb)
Transformer Input:
205-4T ................... 25 or 70.7 volt line (100 volt operation)
205-8T ............................. 70.7 volt line (100 volt operation)
Specifications:
Axial Frequency Response
(1 watt / 1 meter)
Input Impedance vs. Frequency
Beamwidth vs Frequency
Directivity and Q
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 866/78 AUDIO
Please refer to the Engineering Data Sheet for warranty information.
Specifications subject to change without notice.
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
Switzerland Keltenstrasse 11, CH-2563 IPSACH, Switzerland, Phone: 41/32-331-6833. FAX: 41/32-331-1221
Germany Hirschberger Ring 45, D94315, Straubing, Germany, Phone: 49 9421-706 392, 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 2-5-60 Izumi, Suginami-ku,Tokyo, Japan 168, Phone: 81-3-3325-7900, FAX:81-3-3325-7789
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