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Specifications: 408GTi 508GTi
Frequency response: 80–22kHz 60–22kHz
Recommended minimum High-Pass Crossover
Frequency for Medium Power Operation: 80Hz 60Hz
Continuous Power Handling With 12dB
Passive Network High Passed at
Recommended Minimum Frequency: 100 Watts 150 Watts
Continuous Power Handling with 12dB Passive
Network High Passed at 150–200Hz
(Midrange Operation): 150 Watts 200 Watts
Continuous Power Handling When Used
Without High-Pass (Full-Range Operation): 75 Watts 100 Watts
Minimum Recommended Amplifier Power: 20 Watts 20 Watts
Maximum Recommended Amplifier Power Rating: 150 Watts 200 Watts
Sensitivity (2.83 Volts / 1 Meter): 89dB 91dB
Impedance 4 Ohms 4 Ohms
Dimensions – Woofer/Midrange Transducers
Overall Maximum Diameter
(Mounting Tab to Frame Edge): 4
3
/8" (111mm) 5
1
⁄8" (130mm)
Height: 2
1
⁄8" (54mm) 2
3
⁄8" (60mm)
Mounting Depth: 1
7
⁄8" (48mm) 2
1
⁄16" (53mm)
Cutout Size: 3
3
⁄4" (95mm) 4
3
⁄4" (121mm)
Dimensions – Tweeter
Overall Diameter: 1
15
⁄16" (50mm) 1
15
⁄16" (50mm)
Height:
11
⁄16" (18mm)
11
⁄16" (18mm)
Height With Angle Adapter: 1
1
⁄2" (38mm) 1
1
⁄2" (38mm)
Flush Mount Cutout Diameter: 2
1
⁄8" (54mm) 2
1
⁄8" (54mm)
Flush Mount Depth:
15
⁄16" (23mm)
15
⁄16" (23mm)
Dimensions – Crossover Network (LxWxH): 5
10
/16" x 3
3
/16" x1
9
/16"5
10
/16" x 3
3
/16" x 1
9
/16"
(143mm x 81mm x 40mm) (143mm x 81mm x 40mm)
Woofer/Midrange Weight: 1 lb. 7 oz. (0.66kg) 1 lb. 10 oz. (0.75kg)
Tweeter Weight: 2.5 oz. (71 grams) 2.5 oz. (71 grams)
408/508 MANUAL.QXP 7/17/98 11:21 AM Page 16