THE COPPERHEAD 10" Lead / Rhythm Guitar Speaker- American

The Eminence Copperhead guitar speaker combines the best of two tones, balancing country honk with a touch of classic blues. Extremely balanced vintage tone for smooth, driven leads and clean rhythm.

Characteristics

Product Overview
Series	Patriots
Model	The Copperhead
Application	10" Open or Closed Back
Configuration	1, 2, or 4 X 10"
Low End Response	Moderate
Low End Shape	Tight
Mid-Range Response	Aggressive
Mid-Range Shape	Warm
High-End Response	Moderate
Volume/Power	Louder
Overall Coloration*	Extremely balanced vintage tone with a little country honk and a touch of classic blues tone.
Break-up Modes	Medium
Power Range	Up to 75 watts
Instrument*	Lead/Rhythm Guitar, Harmonica
Genre of Music*	Country, Blues, Bluegrass, and Funk

Specification
Nominal Basket Diameter	10", 254 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	N/A
Watts	75 W
Resonance	105 Hz
Usable Frequency Range	80 Hz - 4.5 kHz
Sensitivity*	98.8 dB
Magnet Weight	20 oz.
Gap Height	0.312", 7.9 mm
Voice Coil Diameter	1.5", 38 mm

Thiele & Small Parameters
Resonant Frequency (fs)	105 Hz
DC Resistance (Re)	7.59 Ω
Coil Inductance (Le)	0.37m H
Mechanical Q (Qms)	13.27
Electromagnetic Q (Qes)	1.05
Total Q (Qts)	0.98
Compliance Equivalent Volume (Vas)	27 liters / 0.95 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	0 cc
Mechanical Compliance of Suspension (Cms)	0.14 mm/N
BL Product (BL)	8.8 T-M
Diaphragm Mass Inc. Airload (MMs)	16 grams
Efficiency Bandwidth Product (EBP)	100
Maximum Linear Excursion (Xmax)	0 mm
Surface Area of Cone (Sd)	366.1 cm2
Maximum Mechanical Limit (Xlim)	N/A

Mounting Information
Recommended Enclosure Volume
Sealed	Acceptable
Vented	Acceptable
Driver Volume Displaced	0.034 cu.ft. / 0.95 liters
Overall Diameter	10.11", 256.8 mm
Baffle Hole Diameter	9.13", 231.9 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.23", 5.8mm
Mounting Holes B.C.D.	9.6", 243.8mm
Depth	4.2", 106.7 mm
Net Weight	4.5 lbs, 2.04 kg
Shipping Weight	6.4 lbs, 2.9 kgs

Materials of Construction
Coil Construction	Copper voice coil
Coil Former	Polyimide former
Magnet Composition	Ferrite magnet
Core Details	Non-vented core
Basket Materials	Pressed steel basket
Cone Composition	Paper cone
Cone Edge Composition	Paper cone edge
Dust Cap Composition	Zurette dust cap

Download Spec Sheet

Frequency Response