Product Details

Description

The LEGEND 1258 12" Lead / Rhythm Guitar Speaker is an Eminence guitar speaker for musicians, builders, and repair technicians seeking a purposeful replacement or new-cabinet driver. The Eminence Legend 1258 guitar speaker is a fastball down the middle, perfect for blues and rock. Vintage American tone with tight lows and warm, smooth mids and highs. Key specifications include 75 W power handling, 8 Ω nominal impedance, 80 Hz - 4 kHz usable frequency range, 100.1 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
Legend
Model
Legend 1258
Characteristics application
12" Open or Closed Back
Configuration
1, 2, or 4 x 12"
Low end response
Subdued
High end response
Aggressive
Overall coloration
Vintage American tone with tight lows and warm, smooth mids and highs. Strong upper mid emphasis and extended highs.
Break up modes
Balanced
Characteristics power range

75

Instrument

Lead/Rhythm Guitar

Characteristics genre

Blues
Rock

Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating watts
75 W
Resonance
94 Hz
Usable frequency range
80 Hz - 4 kHz
Sensitivity
100.1 dB
Gap height
0.312", 7.9 mm
Voice coil diameter
1.5", 38 mm
Thiele & Small Parameters
Resonant frequency fs
94 Hz
Dc resistance re
7.44
Coil inductance le
0.7
Mechanical q qms
6.15
Electromagnetic q qes
1.18
Total q qts
0.99
Compliance equivalent volume vas
32.5 liters, 1.15 cu.ft.
Peak diaphragm displacement volume vd
24.3 cc
Mechanical compliance of suspension cms
0.09 mm/N
Bl product bl
10.9
Diaphragm mass inc airload mms
32
Efficiency bandwidth product ebp
80
Maximum linear excursion xmax
0.48 mm
Surface area of cone sd
506.7 cm²
Mounting Information
Recommended enclosure volume vented
Acceptable
Driver volume displaced
0.069 cu.ft. / 1.96 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
4.9", 124.5 mm
Net weight
7.8 lbs, 3.54 kg
Shipping weight
9.9 lbs, 4.49 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
Paper