EAW BH862 Manuel utilisateur

EASTERN ACOUSTIC WORKS

One Main Street, Whitinsville, MA 01588 • (508) 234 - 6158 • FAX (508) 234 - 8251 • Email [email protected] • Web http://www.eaw.com

EAW products are continually improved. All specifications are therefore subject to change without notice. • PUB# BH862 999091 (A)/2p/3/14/97 • Printed In USA

TECHNICAL SPECIFICATIONS BH862

DESCRIPTION

A dedicated Virtual Array low frequency module. Includes 2x

horn-loaded 15-in woofers in a trapezoidal enclosure.

APPLICATIONS

The BH862 uses LF horn loading for increased output and

extended pattern control. It is the same height as the MH662

mid/high Virtual Array module letting the two work together

in large format arrays. Six year warranty.

Applications include:

Stadium

Arenas

Concert Halls

Large HOW’s

Dance Clubs

DESCRIPTIVE DATA

Part Number 999091

Product Group M

Components & Loading 2x 15-in Horn Loaded Cone

System Configuration Dedicated LF Horn

Recommended High-Pass

Frequency (24 dB/Octave) 65Hz

Cabinet Type (shape) Trapezoidal

Enclosure Materials Baltic Birch Plywood

Finish Black Catalyzed Polyurethane

Connectors 4-Terminal Barrier Strip and 1x

Neutrik NL4 Speakon

Suspension Hardware (18) 3/8”-16 Threaded Mounting/

Suspension Points (5 on bottom, 4

each top and sides, 1 back)

Grill Vinyl Coated Perforated Steel

NOMINAL DATA

Frequency Response (Hz)

±3 db 90Hz to 300Hz

-10 dB 65Hz

Axial Sensitivity (dB SPL/1 Watt/1m)

105

Impedance (Ohms)

Power Handling (Watts)

AES Standard 2000

Calculated Maximum Output (dB SPL, @1m)

Peak 144

Long Term 138

Nominal Coverage Angle / -6 dB points (degrees)

Horizontal 150

Vertical 150

Dimensions inches millimeters

Height 48.63 1235

Width 26.38 670

Width (Front) 26.38 670

Width (Rear) 16.5 419

Depth 29.5 749

Weights pounds kilograms

Net Weight 212 95

Shipping Weight 226 101

Acoustic Performance Partnership Eastern Acoustic Works BH862

One Main Street, Whitinsville MA, 01588 USA • Phone 508/234-6158 • Toll Free 800/992-5013 • Fax 508/234-8251 • Web http://www.eaw.com • email info@eaw.com

TECHNICAL SPECIFICATIONS BH862

DIMENSIONAL DRAWINGS

DIMENSIONAL DRAWING SERVICE ITEMS

LF: Complete Cone Driver

EAW Part No. 804036

Filter/Crossover Network: Complete Assembly

EAW Part No. 201359

ARCHITECTURAL SPECIFICATIONS

The low frequency loudspeaker systems shall incorporate 2x

15-in LF transducers.

The LF drivers shall be mounted in a low frequency horn

constructed of 3mm birch plywood reinforced with high den-

sity polyurethane foam for optimum low frequency response.

The system shall have a nominal coverage pattern of 150°

(h) x 150°(v).

System frequency response shall vary no more than ±3 dB 90

Hz to 300 Hz measured on axis. The loudspeaker shall pro-

duce a Sound Pressure Level (SPL) of 105 dB SPL on axis at

1 meter with a power input of 1 Watt, and shall be capable

of producing a peak output of 144 SPL on axis at 1 meter.

The loudspeaker shall handle 2000 Watts of amplifier power

(AES Standard) and shall have a nominal impedance of 4

Ohms.

The loudspeaker enclosure shall be trapeziodal in shape. It

shall be constructed of 15mm thickness void-free cross-grain-

laminated Baltic birch plywood and shall employ extensive

internal bracing. It shall be finished in black catalyzed poly-

urethane. Input connectors shall be a 4-terminal barrier strip

plus one Neutrik NL4 Speakon. A total of eighteen 3/8”-16

threaded mounting/suspension points (5 on bottom, 4 each

top and sides, 1 back) shall be provided. The front of the

loudspeaker shall be covered with a vinyl coated perforated

steel grill.

The low frequency loudspeaker shall be the EAW model BH862.

BH862 MOUNTING POINTS 3/8"-16 NUTS WELDED TO A 2" x 2" STEEL L-PLATE

2.35

2.00

44.62

22.18

48.63

6.56

5.00

2.63

29.50

2.63

SIDES

5.38

29.91

TOP

9.5°

2.00

35.50

8.25

BACK

BOTTOM

FRONT

21.88

16.71

6.56

22.18

26.37

20.90

8.25

13.58

2.00

510041

EXP 4/23/96 SHB

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