300mm (12in.) 300W Power Speaker

Product Details

300mm (12in.) 300W Power Speaker
Eminence

4747

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Description:

A 300mm (12in.) 300W paper cone driver with corrugated surround, optimised for sound reinforcement systems. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems and stage monitors. Chassis is pressed steel.

Eminence Model No:

DELTA-12

Specifications:

Nominal impedance:

Resonant frequency:

58Hz

Usable frequency response:

55Hz to 6kHz

Nominal power handling:

300Wrms

Sensitivity:1W @ 1m

100dB

Voice coil diameter:

63· 5mm

Magnet weight:

56oz

Dimensions:

309mm dia.x118· 3mm deep

Fixing centres:

8 x 7mm on 293mm dia. circle

Baffle cutout:

284.2mm dia.

Thiele-Small Parameters

Resonant frequency

fs:

58Hz

Impedance

Re:

6· 31

Electromagnetic Q

Qes:

0· 52

Mechanical Q

Qms:

7· 04

Total Q

Qts:

0· 48

Compliance equivalent

volume

Vas:

87L(3· 1cu.ft)

Peak diaphragm

displacement volume

Vd:

140· 35cc

Suspension mechanical

compliance

Cms:

0· 2297mm/N

BL product

BL:

12· 02T-M

Diaphragm mass

including airload

Mms:

32· 2g

Equivalent mechanical

resistance loss

Rms:

1· 6823N*sec/m

Efficiency bandwidth

product

EBP:

102

Voice coil overhang

Xmax:

2· 7mm

Cone area

Sd:

519· 5cm2

Resonant impedance

Zmax:

92· 2