EarthQuake EQ6S8 User Manual

Specification
Nominal Basket Diameter
Nominal Impedance
Power Rating
Resonance
Usable Frequency Range
Sensitivity
Magnet Weight
Voice Coil Diameter
6-5/8", 169.5mm
8-Ohms
60 Watts
377Hz
377Hz - 5kHz
93.2
37.8 oz.
1 3/8", 30.5mm
Thiele & Small Parameters
Resonant Frequency (fs)
DC resistance (Re)
Coil Inductance (Le)
Mechanical Q (Qms)
Electromagnetic Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas)
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
Diaphragm Mass (Mmd)
Maximum Linear Excursion (Xmax)
Surface Area of Cone (Sd)
377.331Hz ±15%
6.5 Ohms
278.353mH @ 1kHz
4.122
1.720
1.214
436.075mLtr/0.015 ft3
16.905mm/N
9.711 T-M
9.624 grams
0.2mm
134.782 sqM
Mounting Information
Recommended Enclosure Volume
Sealed
Vented
Overall Diameter
Cut Out Diameter
Front Sealing Gasket
Rear Sealing Gasket
Mounting Holes Diameter
Depth
6-5/8", 169.5mm
5-5/8", 142mm
fitted as standard
fitted as standard
0.27" x 0.21" , 7.0mm x 5.5mm
2-7/8", 71.7mm
Materials of Construction
Copper voice coil
Polyimide former
Ferrite magnet
Vented and extended core
Stamped steel basket
Paper cone
Cloth surround
Solid composition paper dust cap
Earthquake EQ6S8 Pro Audio Series
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
dBSPL
30
40
50
60
70
80
90
100
110
Ohm
6
7
8
9
10
20
30
40
Sound That Will Move You
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone: 800-576-7944
fax: 510-732-1095 • www.earthquakesound.com
SPL vs Freq

EarthQuake EQ6S8 Specifications

General

Brand	EarthQuake
Model	EQ6S8
Category	Speakers
Language	English

Summary

Speaker Specifications

Nominal Basket Diameter

Nominal Impedance

Electrical resistance of the speaker, measured in Ohms.

Power Rating

The maximum power handling capacity of the speaker in Watts.

Resonance

The lowest natural frequency of vibration for the speaker cone.

Usable Frequency Range

Sensitivity

Thiele & Small Parameters

Resonant Frequency (fs)

The free-air resonant frequency of the speaker driver.

DC resistance (Re)

The DC electrical resistance of the voice coil.

Coil Inductance (Le)

The inductance of the voice coil at a specified frequency.

Mechanical Q (Qms)

Mechanical factor of quality, representing mechanical damping.

Electromagnetic Q (Qes)

Electrical factor of quality, representing electrical damping.

Total Q (Qts)

The total factor of quality, combining mechanical and electrical factors.

Compliance Equivalent Volume (Vas)

The volume of air that has the same compliance as the speaker suspension.

Mechanical Compliance of Suspension (Cms)

BL Product (BL)

Diaphragm Mass (Mmd)

Maximum Linear Excursion (Xmax)

Surface Area of Cone (Sd)