The BL15-300X(4) is a steel 15" inch bass guitar speaker that has industry-leading engineering built in, together with signature Celestion tone that you can feel with every single note.

Please note: Due to the large variations in speakers the handling time on Celestion is up to 7 working days.

8Ω Frequency Response

Product Graph

General Specifications

Nominal diameter 15", 381mm

Power rating 300W

Nominal impedance 4Ω

Sensitivity 96dB

Magnet type Ferrite

Voice coil diameter 2.5", 63.5mm

Coil material Copper

Cone material Kevlar loaded paper

Former material Polyimide

Surround material Cloth-sealed

Frequency range 42-3500Hz

Xmax 0.16", 4.25mm

Gap depth 0.31", 8mm

Voice coil winding width 0.64", 16.5mm

Small Signal Parameters

D 0.33m/12.99in

Fs 48.1Hz

Mms 82.39g/2.91oz

Qms 2.99

Qes 1.004

Mmd 68.24g/2.41oz

Qts 0.751

Re 3.15Ω

Vas 137.7lt/4.86cu.ft.

BI 8.83Tm

Cms 0.133mm/N

Rms 8.327kg/s

Le (at 1kHz) 0.45mH

Mounting Information

Cut-out diameter 13.8", 351mm

Diameter 15.2", 385mm

Mounting slot dimensions 0.36x0.24", 9.2x6.2mm Ø

Mounting slot PCD 14.5", 369mm

Number of mounting slots 8

Overall depth 6.4", 162mm

Unit weight 10.6lb, 4.8kg

Celestion BL15-300X (4) 15" 300 Watt

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