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JBL 2420

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Technic details

Specifications

Type:
Compression Driver
Throat Diameter:
1” (2.5cm)
Impedance:
16Ω
Allowable Input:
30W (Continuous program)

Sound Pressure Level:
118dB SPL (1.26V into 16Ω, from 500 to 2500Hz)
Frequency Range:
500Hz to 20kHz
500Hz to 17kHz, ±3dB (On a 2350 Horn)
800Hz to 15kHz, ±5dB (Measured on a terminated tube)
Recommended Crossover Frequency:
800Hz or more (A 2420 can be used to 500Hz)
Diaphragm:
0.002” (0.05mm) aluminum alloy
Voice coil diameter:
1.75” (4.4cm)
Voice Coil Material:
Edge wound aluminum ribbon
Material:
Aluminum
Magnetic Circuit Weight:
4.5kg
Magnetic Flux Density:
19 000 Gauss
BL Factor:
10.3 x 10 6 dynes / abampere

External Dimensions (Diameter x Depth):
146 x 98mm
Weight:
5kg (Net)
5.4kg (Shipping)
Year:
1971

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