Jensen Loudspeakers Mod-Series Guitar Speaker 12 Inch - 4 Ohm/70W

The MOD12-70 is loud, dynamic, and well defined. It has a defined warm crunch response to overdrive distortion.

• Lows: Tight
• Mids: Subdued
• Highs: Bright
• Overdrive: Edgy
• Guitarist Description: Loud, dynamic, and well defined. Has a defined warm crunch response to overdrive distortion
• Bassist Description: Straightforward, bottom-heavy punch

SPECIFICATIONS

General Characteristics for 4Ω
• Nominal Overall Diameter: 305 mm, 12 in.
• Nominal Voice Coil Diameter: 38 mm, 1.50 in.
• Magnet Weight: 638 g, 22.50 oz
• Overall Weight: 5.30 lbs
• Flux Density: 1.16 T

Thiele-Small Parameters for 4Ω
• Voice Coil DC Resistance: RE, 3.50 Ω
• Resonance Frequency: S, 74.0 Hz
• Mechanical Q Factor: QMS, 6.97
• Electrical Q Factor: QES, 0.82
• Total Q Factor: QTS, 0.74
• Mechanical Moving Mass: MMS, 29.0 g
• Mechanical Compliance: CMS, 158 m/N
• Force Factor: BxL, 7.72 Wb/m
• Equivalent Acoustic Volume: VAS, 53.6 lt.
• Maximum Linear Displacement: XMAX, 1.50 mm
• Reference Efficiency: nO, 2.57 %
• Diaphragm Area: SD, 490.9 cm2
• Losses Electrical Resistance: RES, 31.0 Ω
• Voice Coil Inductance @ 1kHz: LE, 0.43 mH

Constructive Characteristics for 4Ω
• Magnet: Ferrite
• Voice Coil Winding: Copper
• Voice Coil Former: Epotex
• Cone Material: Paper
• Surround Material: Integrated Paper
• Dust Dome Material: Non-treated Cloth
• Basket Material: Pressed Sheet Steel

Electrical Characteristics for 4Ω
• Nominal Impedance: 4 Ω
• Rated Power: 70 W
• Musical Power: 140 W
• Sensitivity@1W,1m: 99.5 dB