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Wharfedale International Limited, IAG House, Sovereign Court, Ermine Business Park, Huntingdon, Cambs, PE29 6XU, England
www.wharfedalepro.com
The information in this manual is subject to change without notice. All rights reserved © 2004 Wharfedale Pro. Wharfedale is a member of the International Audio Group (IAG).
WHARFEDALE SYSTEMS DIVISION
911.401
MODEL SI-28 SI-10 SI-12 SI-15 SI-15B SI-18B
FREQUENCY
RESPONSE@+/- 3dB 70-20k 65-20kHz 55-20kHz 45-20kHz 45-1kHz 35-2kHz
SENSITIVITY
1w@1m(dB) 97dB 96dB 97dB 98dB 98dB 99dB
COVERAGE Horiz. 70° 70° 70° 70° - -
COVERAGE vert. 70° 70° 70° 70° - -
POWER HANDLING(watts)
Continuous 200 120 250 300 300 400
Music 400 240 500 600 600 800
Peak 800 480 1000 1200 1200 1600
MAX SPL (dB) 126dB 123dB 127dB 129dB 129dB 131dB
SYSTEM IMPEDANCE(Ω) 88888 or 48 or 4
NUMBER OF DRIVERS
Woofer 211111
HF 1111- -
LF DRIVER
Impedance(Ω) 48888 and 4 8 and 4
Driver size 8” 10” 12” 15” 15” 18”
Magnet wt 1180/41.6” 1180/41.6 1345/47.4 2467/87.1 2120/74.8 2400/84.7
Coil size 50/2” 38.1/1.5” 63.5/2.5” 76.2/3” 65/2.5” 75/3”
Frame material metal metal metal metal metal aluminium
die cast
H F SECTION
Impedance(Ω) 8888
Coil size 44/1.7” 44/1.7” 44/1.7” 44/1.7”
Exit size 25.4/1” 25.4/1” 25.4/1” 25.4/1”
Diaphragm material metal metal metal metal
HF HORN
Type waveguide waveguide waveguide wave guide
CROSSOVER SECTION
Effective x-over point 2.3k 2.3k 2.3k 2.3k
System Fb 70Hz 65Hz 55Hz 45Hz 40Hz 35Hz
ENCLOSURE TYPE
Shape trapezoidal trapezoidal trapezoidal trapezoidal trapezoidal rectangle
Volume L 32.1L 38.5L 54.5L 78.5L 78.5L 134L
Paint colour black or white black or white black or white black or white black or white black or white
Thickness(mm) 15mm 15mm 15mm 15mm 15mm 18mm
Rigging and numbers M8 x 20 M8 x 20 M8 x 20 M8 x 20 M8 x 12 M8 x 12
Grille:
Thickness(mm) 1.2 1.2 1.2 1.2 1.2 1.2
Type full steel full steel full steel full steel full steel full steel
Foam behind grille yes yes yes yes yes yes
Back panel:
Input connector:
Type -1 Speakon™ Speakon™ Speakon™ Speakon™ Speakon™ Speakon™
Number 222222
Type-2 barrier strip barrier strip barrier strip barrier strip barrier strip barrier strip
Number 111111
Parallel with input connector yes yes yes yes yes yes
PRODUCT DIMENSIONS
H(mm/inch) 675/26.5 512/20.1 562/22.1 640/25.1 640/25.2 700/27.5
W(mm/inch) 284/11.5 344/13.5 374/14.7 452/17.8 452/17.8 537/21.1
D(mm/inch) 280/11 330/12.9 333/13.1 396/15.6 396/15.6 508/20
WEIGHT
Kg 17.22 14.36 16.26 23.48 25.1 37.8
Lbs 38.7 32.3 36.6 52.8 56.4 85
APPLICATIONS: 2 way 2 way 2 way 2 way sub woofer sub woofer