Description

90 Series 2-Way and 4-Way Coaxial Speaker Pair

Model

JB-6290

JB-4290

JB-5290

JB-6990

Size

6.5"  2-Way

4"  2-Way

5.25"  2-Way

6*9"  4-Way

Basket

Steel

Steel

Steel

Steel

Cone

PP

PP

PP

PP

Surround

Rubber

Rubber

Rubber

Rubber

Voice Coil

Asv25.9 (1")

Asv25.9 (1")

Asv25.9 (1")

Asv30.5(1.18")

Impedance

4 Ohms

4 Ohms

4 Ohms

4 Ohms

Magnet

80*15(11.1oz)

70*12(6.4oz)

70*12(6.4oz)

100*18(20oz)

Woofer Size

165mm

102mm

129*129mm

235*163mm

Mid-Range

54mm Mylar

Tweeter

51mm Mylar

40mm Mylar

40mm Mylar

27mm Mylar

Frequency Response (+/- 3dB)

50-20,000Hz

60-20,000Hz

60-20,000Hz

45-20,000Hz

Sensitivity (2.83v/1m)

87dB ± 3 dB

84dB ± 3 dB

85dB ± 3 dB

89dB ± 3 dB

Max power

60w

50w

55w

90w