Product Overview
Jensen Loudspeakers' MOD12-70 is loud, dynamic, and well defined. It has a defined warm crunch response to overdrive distortion.
Jensen Loudspeakers Mod 12-70 Specifications:
- General Characteristics:
- Nominal Overall Diameter: 12" (306 mm)
- Nominal Voice Coil Diameter: 1.5" (38 mm)
- Magnet Weight: 22.5 oz (640 g)
- Overall Weight: 5.30 lbs
- Flux Density: 1.16 T
- Thiele-Small Parameters for 4O:
- Voice Coil DC Resistance RE: 3.50 O
- Resonance Frequency ƒS: 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 µm/N
- Force Factor BxL: 7.72 Wb/m
- Equivalent Acoustic Volume VAS: 53.6 lt.
- Maximum Linear Displacement XMAX: 1.5 mm
- Reference Efficiency nO: 2.57 %
- Diaphragm Area SD: 490.9 cm2
- Losses Electrical Resistance RES: 31.0 O
- Voice Coil Inductance @ 1kHz LE: 0.43 mH
- Constructive Characteristics for 4O:
- Magnet: Ferrite
- Voice Coil Winding: Copper
- Voice Coil Former: Epotex
- Cone: Paper
- Surround: Integrated Paper
- Dust Dome: Non-treated Cloth
- Basket: Pressed Sheet Steel
- Electrical Characteristics for 4O:
- Nominal Impedance: 4 O
- Rated Power: 70 W
- Musical Power: 140 W
- Sensitivity @ 1W,1m: 99.5 dB
- Thiele-Small Parameters for 8O:
- Voice Coil DC Resistance RE: 5.30 O
- Resonance Frequency ƒS: 78.0 Hz
- Mechanical Q Factor QMS: 19.00
- Electrical Q Factor QES: 1.15
- Total Q Factor QTS: 1.08
- Mechanical Moving Mass MMS: 30.5 g
- Mechanical Compliance CMS: 138 µm/N
- Force Factor BxL: 8.40 Wb/m
- Equivalent Acoustic Volume VAS: 46.7 lt.
- Maximum Linear Displacement XMAX: 1.5 mm
- Reference Efficiency nO: 1.82 %
- Diaphragm Area SD: 491.0 cm2
- Losses Electrical Resistance RES: 90.0 O
- Voice Coil Inductance @ 1kHz LE: 0.58 mH
- Constructive Characteristics for 8O:
- Magnet: Ferrite
- Voice Coil Winding: Copper
- Voice Coil Former: Epotex
- Cone: Paper
- Surround: Integrated Paper
- Dust Dome: Non-treated Cloth
- Basket: Pressed Sheet Steel
- Electrical Characteristics for 8O:
- Nominal Impedance: 8 O
- Rated Power: 70 W
- Musical Power: 140 W
- Sensitivity @ 1W,1m: 96.3 dB
- Thiele-Small Parameters for 16O:
- Voice Coil DC Resistance RE: 12.00 O
- Resonance Frequency ƒS: 83.0 Hz
- Mechanical Q Factor QMS: 7.84
- Electrical Q Factor QES: 1.19
- Total Q Factor QTS: 1.04
- Mechanical Moving Mass MMS: 30.3 g
- Mechanical Compliance CMS: 125 µm/N
- Force Factor BxL: 12.56 Wb/m
- Equivalent Acoustic Volume VAS: 42.4 lt.
- Maximum Linear Displacement XMAX: 1.5 mm
- Reference Efficiency nO: 1.88 %
- Diaphragm Area SD: 490.9 cm2
- Losses Electrical Resistance RES: 80.0 O
- Voice Coil Inductance @ 1kHz LE: 1.00 mH
- Constructive Characteristics for 16O:
- Magnet: Ferrite
- Voice Coil Winding: Copper
- Voice Coil Former: Epotex
- Cone: Paper
- Surround: Integrated Paper
- Dust Dome: Non-treated Cloth
- Basket: Pressed Sheet Steel
- Electrical Characteristics for 16O:
- Nominal Impedance: 16 O
- Rated Power: 70 W
- Musical Power: 140 W
- Sensitivity @ 1W,1m: 96.0 dB