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Product Details

Description

The THE TONKER 12" Lead / Rhythm Guitar Speaker- British is an Eminence guitar speaker for musicians, builders, and repair technicians seeking a purposeful replacement or new-cabinet driver. The Eminence Tonker guitar speaker brings the pub to any club. A very fat, clean and warm tone through the mid-range, smooth top end. Key specifications include 150 W power handling, 8 Ω nominal impedance, 70 Hz - 5 kHz usable frequency range, 101.5 dB sensitivity.

Its construction features a ferrite magnet, a paper cone, a 2", 50 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
Redcoat
Model
The Tonker
Characteristics application
12" Open or Closed Back
Configuration
1, 2, or 4 x 12"
Low end response
Aggressive
High end response
Moderate
Overall coloration
A very fat, clean and warm tone through the mid-range, smooth top end
Break up modes
Balanced
Characteristics power range

150

Instrument

Lead/Rhythm Guitar

Characteristics genre

Southern Rock
Rock
Country

Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating watts
150 W
Resonance
89 Hz
Usable frequency range
70 Hz - 5 kHz
Sensitivity
101.5 dB
Gap height
0.312", 7.9 mm
Voice coil diameter
2", 50 mm
Thiele & Small Parameters
Resonant frequency fs
89 Hz
Dc resistance re
7.36
Coil inductance le
0.47
Mechanical q qms
10.02
Electromagnetic q qes
0.49
Total q qts
0.47
Compliance equivalent volume vas
34.1 liters, 1.2 cu.ft.
Peak diaphragm displacement volume vd
41.6 cc
Mechanical compliance of suspension cms
0.09 mm/N
Bl product bl
17.4
Diaphragm mass inc airload mms
36
Efficiency bandwidth product ebp
181
Maximum linear excursion xmax
0.8 mm
Surface area of cone sd
519.5 cm²
Mounting Information
Recommended enclosure volume sealed
Acceptable
Recommended enclosure volume vented
Acceptable
Driver volume displaced
0.079 cu.ft. / 2.25 liters
Overall diameter
12.03", 305.6 mm
Baffle hole diameter
11.07", 281.2 mm
Front sealing gasket
Yes
Rear sealing gasket
Yes
Mounting holes diameter
0.25", 6.4mm
Mounting holes b c d
11.59", 294.4mm
Depth
5.2", 132.1 mm
Net weight
11.1 lbs, 5.03 kg
Shipping weight
13.2 lbs, 5.99 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