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Electro-Voice 409 Series User manual

409 Series
8-inch Premium
High Performance Ceiling
Loudspeakers COMMERCIAL
General Product Description
The Electro-Voice®409 series loudspeaker systems are
two-way loudspeakers with 8-inch low-frequency cones
and high temperature voice-coil assemblies coaxially
mounted with wide-dispersion cone tweeters. The dual
magnet construction allows each speaker to be structurally,
magnetically, electrically and mechanically independent of
the other. The 409 series utilize a single section crossover
network, centered at 2500 Hz, providing 6 dB of attenuation
for each element outside the operating range.
The 409-8E is an 8 ohm, 32 watt speaker. The 409-ST (with
15700 transformer) and the 409-4T (with 15704 transformer)
both offer a selection of 0.5, 1, 2 and 4W. The 409-8T (with
15708 transformer) offers a selection of 1, 2, 4 and 8W. The
409-16T (with 15716 transformer) offers 2, 4, 8 and 16W
and the 409-32T (with 15732 transformer) offers a 4, 8, 16,
32W selection.
Architects’ and Engineers’ Specifications
409 Series Loudspeakers. The loudspeaker shall have an
8-inch low-frequency cone and a high temperature voice
coil assembly coaxially mounted with a wide dispersion
cone tweeter. The loudspeaker shall meet the following
criteria. AES power rating shall be 32 watts of band limited
pink noise (85 Hz to 18 kHz, 6 dB crest factor). Frequency
response, uniform from 85 Hz to 18 kHz. Pressure
sensitivity, 97 dB SPL at 1 meter (95 dB at 4 feet) on axis
with one watt of band-limited pink noise from f3kHz (ref.
20 uPa). Minimum impedance, 6.0 ohms. The
loudspeaker shall be 8.13 in (20.6 diameter and in (_cm)
deep and shall weigh lbs (_ kg). For dimensions see
next page.
The loudspeakers shall be EV (Electro-Voice®) models
409-8E, 409-ST (with 15700 transformer), 409-4T (with
15704 transformer), 409-8T (with 15708 transformer),
409-16T (with 15716 transformer) and the 409-32T (with
15732 transformer).
Power Rating: ........................... 32 watts, 85 Hz - 18kHz, AES method
Frequency Response: ........................................................ 85 - 18 kHz
Pressure Sensitivity: ........................................................... 97 dB SPL
Measured at one meter on axis with 1 watt input of pink noise, band-limited
from 500 - 3000 Hz (Ref.: 20 µPa)
Maximum SPL: .................................................. 112 dB for 32W @ 1M
Impedance:
Minimum ............................................................................. 6 ohms
Nominal .............................................................................. 8 ohms
Components:
8-inch, high-efficiency, low frequency driver with a coaxially mounted
2.5 inch cone tweeter.
Crossover Network:
Two-way at 2500 Hz with 6 dB per octave tweeter protection
Input Terminals:
Speaker: ................................... 0.212 in. push-on type connectors
Transformer: ........................................................................ Pigtails
Specifications:
Mounting Data:
Baffle Opening:
96.8 mm (3.812 in.) diameter (rear mounted)
104.8 mm (4.125 in.) diameter (front mounted)
Mounting Bolt Centers: ............................... 4 equally spaced slots
90° apart on 120.7 mm (4.75 in.) diameter circle
Dimensions: ........................................ Diameter: 206.5 mm (8.13 in.)
Net Shipping
Depth Weight Weight
409-8E 83 mm (3.25 in.) 2.8 lbs (1.3 kg) 3.3 lbs (1.5 kg)
409-ST 98 mm (3.86 in.) 3.1 lbs (1.4 kg) 3.6 lbs (1.6 kg)
4094T 105 mm (4.13 in.) 3.3 lbs (1.5 kg) 3.8 lbs (1.7 kg)
409-8T 114 mm (4.50 in.) 4.0 lbs (1.8 kg) 4.5 lbs (2.0 kg)
409-16T 124 mm (4.86 in.) 4.5 lbs (2.0 kg) 5.0 lbs (2.3 kg)
409-32T 137 mm (5.38 in.) 5.0 lbs (2.3 kg) 5.5 lbs (2.5 kg)
Finish:
Black
inches. Larger back volumes will increase the low-frequency
output. The frequency response of a 405 in a typical
0.5-cubic-foot back enclosure is shown in Figure 1.
Mounting
The 405 may be front or rear mounted against either surface
of its mounting flange and requires a 110-mm (4.35-in.)
diameter cutout and a 120-mm (4.72-in.) bolt circle, as shown
in Figure 7. Normal fasteners up to 5 mm (0.20 in.) will fit
through the four holes in the frame. The 405 is designed for
mounting on standard ceiling speaker baffles.
Dimensions
409 Theile-Small Parameters
Free Air Resonance, fs: ......................................................... 90 Hz
Equivalent Volume Compliance, Vas: .................................. 0.61 ft.3
Total Q, Qts: ............................................................................. 1.54
Electrical Q, Qes: ..................................................................... 1.78
Mechanical Q, Qms: ............................................................... 11.53
Volume Displacement, VD ................................................... 1.95 in3
Reference Efficiency: ............................................................ 0.71%
Recommended Connections
The 405-8H is a nominal 8-ohm impedance loudspeaker with
a 16-watt input capability. The 405-4T utilizes an 4-watt, 70.7-,
100-volt universal line-matching transformer with power taps
ranging from 1 to 4 watts.
Recommended Enclosures and Baffles
The 405-8H, 405-4T are designed to fit on standard 4-inch
ceiling speaker baffles. Additionally, these loudspeakers will
accommodate the use of any standard back enclosure with a
diameter of 5.5 inches or greater and a depth of at least 4.5
Transformer Specifications
Frequency Response:
15700: .................................................... 100 Hz to 10 kHz, +/-1 dB
15704, 15708, 15716, 15732: ................. 50 Hz to 15 kHz, +/-1 dB
Insertion Loss:
15700: .................................................................................... 1.0 dB
15704, 15708, 15716, 15732: ............................................... 0.5 dB
Secondary Impedance: .......................................................... 8 ohms (all)
Primary Impedances and Power Drawn, nominal 70v:
00751
40751 807516175123751
)W5.0(mhok01)W0.1(mhok5)W0.2(mho0052 )W0.4(mho0521
)W0.1(mho0005)W0.2(mho0052)W0.4(mho0521 )W0.8(mho526
)W0.2(mho0052)W0.4(mho0521)W0.8(mho526)W61(mho213
)W0.4(mho0521)W0.8(mho526)W61(mho213)W23(mho651
Polar Response Charts
Wiring Diagam
T4-904T8-904T61-904T23-904V07V001
W0.4W0.8W0.61W0.23 nworBdeR
W0.2W0.4W0.8W0.61 deRegnarO
W0.1W0.2W0.4W0.8 egnarOwolleY
W5.0W0.1W0.2W0.4 wolleYA/N
nommoC kcalB
smhO8 etihW
nommoC kcalB
TS-904V52V07V001
W0.4 nworBwolleYneerG
W0.2 deRneerGeulB
W0.1 egnarOeulBteloiV
W5.0 wolleYteloiVA/N
nommoC kcalB
smhO8 etihW
nommoC kcalB
© Telex Communications, Inc. 2/2002
Part Number 38109-864 Rev B
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.
Beamwidth vs Frequency
Impedance Response
Directivity and Q
Frequency Response
America:
USA: Telex Communications Inc. 12000 Portland Ave South, Burnsville, MN 55337, USA, Phone: 952-884-4051, Fax: 952-884-0043
Western Canada: PAG Canada. 23 Hawkesbury Crescent, Winnipeg, MB R3P-1Y6, Canada, Phone: 888-850-8811, Fax: 204-489-7614
Eastern Canada: PAG Canada. 728 Eglinton Ave. East, Toronto, ON M4G 2K7, Canada, Phone: 800-881-1685, 416-431-4975, Fax: 416-431-4588
Québec: Acoustik GE Inc. 5715 Kincourt, Montréal, PQ H4W 1Y7, Canada, Phone: 866-369-2864, 514-369-2864, Fax: 514-487-9525
Mexico: Telex Communications de Mexico. Parque Chapultepec 66-201, Naucalpan, Edo. Mex. 53390, Mexico, Phone: +52 555 358-5434, Fax: +52 555 358-
5588
Latin America: Telex Communications Inc. 12000 Portland Ave South, Burnsville, MN 55337, USA, Phone: 952-887-7491, Fax: 952-887-9212
Europe:
Germany: Telex EVI Audio GmbH. Hirschberger Ring 45, D 94315, Straubing, Germany, Phone: +49 9421-706 0, Fax: +49 9421-706 265
France: EVI Audio France S.A. Parc de Courcerin, Allée Lech Walesa, F 77185 Lognes, France, Phone: +33 1-6480-0090, Fax: +33 1-6006-5103
UK: Telex Communications Ltd. 4, The Willows Centre, Willow Lane, Mitcham, Surrey CR4 4NX, UK, Phone: +44 208 646 7114, Fax: +44 208 640 7583
Africa & Middle-East: Telex EVI Audio GmbH. Hirschberger Ring 45, D 94315, Straubing, Germany, Phone: +49 9421-706 0, Fax: +49 9421-706 265
Asia & Pacific Rim:
Japan: EVI Audio Japan Ltd. 5-3-8 Funabashi, Setagaya-Ku, Tokyo, Japan 156-0055, Phone: +81 3-5316-5020, Fax: +81 3-5316-5031
Australia: EVI Audio (Aust) Pty Ltd. Slough Business Estate, Unit 23, Silverwater, N.S.W. 2128, Australia, Phone: +61 2-9648-3455, Fax: +61 2-9648-5585
China: EVI Audio (HK) Ltd. Unit E & F, 21F, Luk Hop Industrial Bldg., 8 Luk Hop St., San PO Kong, Kowloon, Phone: +852 2351-3628, Fax: +852 2351-3329
Singapore: Telex Pte. Ltd. 3015A Ubi Road 1, 05-10 Kampong Ubi Industrial Estate, Singapore 408705, Phone: +65 746-8760, Fax: +65 746-1206
www.electrovoice.com  Telex Communications, Inc.  www.telex.com

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