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HL-1580C 15” LOW FREQUENCY TRANSDUCER
A
Features:
High sensitivity (99 dB 1 W/1 m)
76 mm (3”) edgewound copper voice coil
Diameter: 380 mm (15 inches)
Nominal Impedance: 8 ohms
Frequency Range: 30 Hz to 2.5 kHz @ -10 dB
Highest Recommended Crossover Frequency:
1200 Hz
Power Capacity: 400 watts, continuous
Sensitivity: 99 dB (@2.83v@1 m)
Voice Coil Diameter: 76 mm (3 inches)
Voice Coil Material: edgewound copper
Winding Length: 19.5 mm (0.768 inches)
Former Material: Kapton
Magnetic Gap Length: 10.5 mm (0.4125 in.)
Magnet Weight: 2.7 kg (5 lb 15 oz)
Magnet Assembly Weight: 8.4 kg (18 lb 7oz)
BL Product: 20.4 Tesla Meters
Effective Piston Diameter: 0.317 m (12 ½ in.)
Total Moving Mass (Mms): 84 grams
Mechanical Compliance (Cms): 352 µM/N
Free Air Impedance
Small Signal Parameters:
Fs 30 Hz
Qts 0.20
Qms 10.4
Qes 0.21
Vas 312 L (11 feet
Re 5.4 ohms
✔✔✔✔
3.7%
0
Le 1.0 mH
Large Signal Parameters:
Sd .079 meters² (122.5 in²)
Xmax 6.35 mm (0.25 in.)
Vd 500 cm³ (30.1 in³)
Mounting Information:
Diameter: 389 mm (15 5/16 in.)
Bolt Circle: 365 mm (14 3/8 in.)
Baffle Cutout:
Front mount: 355.6 mm (14 in.)
Rear mount: 352.4 mm (13 7/8 in.)
Overall Depth: 157 mm (6 3/16 in.)
Net Weight: 10.6 kg (23 lbs. 5 ½ oz.)
Shipping Weight: 10.4 kg (25 lbs. 9 ½ oz.)
3
)
Professional
udio Systems
On-axis response (above) was done Ground Plane with
microphone at 3 meters. The test box is 82 ltr (2.9 ft³).
Box frequency is 41 Hz. Driving voltage is 8 vrms.
2270 Cosmos Court, Carlsbad, CA USA 92009
Voice (760) 431-9924 Fax (760) 431-9496
www.pas-toc.com e-mail info@pas-toc.com
The Next Phase In Loudspeaker Technology ™
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