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Product Details

Description

The THE COPPERHEAD 10" Lead / Rhythm Guitar Speaker- American is an Eminence guitar speaker for musicians, builders, and repair technicians seeking a purposeful replacement or new-cabinet driver. 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. Key specifications include 75 W power handling, 8 Ω nominal impedance, 80 Hz - 4.5 kHz usable frequency range, 98.8 dB sensitivity.

Its construction features a ferrite magnet, a paper cone, a 1.5", 38 mm voice coil, supporting reliable performance in compatible cabinets and amplifiers. Use it for amplifier upgrades, custom cabinet projects, tonal experimentation, or restoring a working rig with a speaker selected for its musical response. Before installation, confirm the amplifier's impedance requirement, available mounting depth, cabinet cutout, and power compatibility. For best results, choose an enclosure and amplifier pairing appropriate for the published specifications and the desired playing style.

Characteristics

Filter series

Patriot

Model

The Copperhead

Characteristics application

10" Open or Closed Back

Configuration

1, 2, or 4 x 10"

Low end response

Moderate

High end response

Moderate

Overall coloration

Extremely balanced vintage tone with a little country honk and a touch of classic blues tone.

Break up modes

Balanced

Characteristics power range

75

Instrument

Lead/Rhythm Guitar
Harmonica

Characteristics genre

Bluegrass
Blues
Country
Funk

Specifications

Nominal basket diameter

10", 254mm

Nominal impedance

8 Ω

Power rating watts

75 W

Resonance

105 Hz

Usable frequency range

80 Hz - 4.5 kHz

Sensitivity

98.8 dB

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

Coil inductance le

0.37

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

Diaphragm mass inc airload mms

16

Efficiency bandwidth product ebp

100

Surface area of cone sd

366.1 cm²
Mounting Information

Recommended enclosure volume sealed

Acceptable

Recommended enclosure volume 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, 2.90 kgs
Materials of Construction

Coil construction

Edgewound copper

Voice coil former

Polyimide

Magnet material

Ferrite

Basket material

Pressed steel

Cone composition

Paper

Surround

Paper

Dust cap composition

Zurette
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