Specification
Rated Power:
8, 15 or 25 watts RMS continuous (at 77°F).
Certification:
UL listed for USA and Canada:
– Class I, Div 2, Groups A-D
– Class I, Zones 1, AExd IIC T4.
– Class II, Div 2, Groups F & G
ATEX approved: EN50014, 18, 19.
No. BAS00ATEX2097X. EExd 11C T41/T5
Cert. No. BAS00ATEX2098X. EExd 11C T41/T5
Zones 1 not for use in atmospheres containing carbon disulphide
Material:
Body & horn in anti-static, UV stable, glass reinforced polyester.
Swivel bracket in stainless steel.
Captive cover screws in stainless steel.
Finish:
Body and horn, natural black or epoxy paint coated to client’s
color require-
ments.
Output:
97 dBA at 1 Watt at 10 feet
109 dBA at 25 Watts at 10 feet
Measured in accordance with IEC 268.
Weight:
11lb./
5.0kg approx.
Certified Temperature:
–67°F to +158°F (55°C to +70°C)
Ingress Protection:
NEMA 4x & 6, IP66 & IP67.
Frequency Range:
400Hz to 8kHz.
Voice Coil Impedence:
8 ohms.
Transformer:
Used to vary the rated power by selecting different tappings (see table below).
Transformer
Power
Tappings
25W
15W
8W
1:2
25.0*
15.0*
8.0*
2:3
12.5*
7.5*
4.0*
3:4
6.0
5.0
2.0
1:3
4.0
4.0
1.5
2:4
2.0*
2.0*
0.7*
1:4
1.0
0.8
0.4
Transformer Options:
i) Standard Tapping: (4 x 2) terminal tap change (8 terminals).
ii) Optional Tapping: 4 terminal tap change with 2 terminals (5 & 6), directly connected
to driver (8 ohms).
Other tappings & driver impedances available on request.
Terminals:
8 x 14AWG
Mounting:
Bracket with ratchet facility.
Labels:
Duty and tag labels optional.
Cable Entries:
2 x
1
/
2
" NPT.
DB4
Type
Code
UL listed
UL
Transformer
Code
Yes
X*
None
N
*Std 100V
Other values available,
specify voltage.
Max. Rated Power
Certification
Transformer
Labels
Entries
Color
Label
Code
Duty
D*
Tag
T*
None
N
*Please specify wording
Color
Code
Natural Black
N
Red
R
Special
S*
*Please specify
Power
Code
8 watt
8
15 watt
15
25 watt
25
Entries
Code
1 x ½" NPT
1C
2 x ½" NPT
2C
Configuration Options:
Polar plot (1W/1m) for 25 watt version.
Polar plot and frequency response curves for other speakers are available upon request.
Transformer Tappings
WE ENCOURAGE AND SUPPORT NICET CERTIFICATION
3 YEAR WARRANTY
Made in USA
273 Branchport Avenue
Long Branch, NJ 07740
Phone: (800) 631-2148
Fax: (732) 222-2588
www.cooperwheelock.com
DB4 04/07
Standard Models
Series
Model Number
Order Code
Decription
DB4 DB425ULXN2CR 109208-001 Speaker, 25 Watt, Transformer, Red Finish
DB4 DB415ULXN2CR 109208-002 Speaker, 15 Watt, Transformer, Red Finish
UL
To specify certified plug, suffix ap-
propriate code with 'P'. e.g. 2CP is 2
x 1/2" NPT entries with one certified
plug
*Include blocking capacitor for DC supervision of field wiring
