Speaker - 12" Jensen Blackbird 40W - Made in Italy

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Speaker - 12" Jensen Blackbird 40W - Made in Italy - 8 ohm 

The Jensen Blackbird 40 is our speaker of choice for the California Tweed Series as its voice offers a powerful, controlled bass range and all the sparkly brilliance that is typical of the classic Jensen Speakers. It' is equally suited to clean, quasi-acoustic tones, crunchy overdrive, and up to powerfully distorted lead tones. The Blackbird 40 offers a very distinct yet versatile character. It suits a wide range of applications, form the traditional, warm, jazz, country, rock and blues tones, up to the fiercer brit-style power-chords and lead lines. The Blackbird 40 is the first speaker in the Jet Series featuring Jensen's exclusive Reinforced AlNiCo magnet technology.

This speaker ships individually in its own box. 

General Characteristics for 8Ω
Nominal Overall Diameter: 307 mm - 12 in
Nominal Voice Coil Diameter: 32 mm - 1.26 in
Magnet Weight: 300 g - 11 oz
Overall Weight: 2 kg - 4.41 lbs
Flux Density: 1.28 T
Voice Coil Winding Depth: 9 mm - 0.35 in
Magnetic Gap Depth: 6 mm - 0.24 in

Thiele-Small Parameters for 8Ω
Voice Coil DC Resistance: RE - 5.9 Ω
Resonance Frequency: ƒS - 93.2 Hz
Mechanical Q Factor: QMS - 14.29
Electrical Q Factor: QES - 1.5
Total Q Factor: QTS - 1.36
Mechanical Moving Mass: MMS - 28.7 g
Mechanical Compliance: CMS - 102 µm/N
Force Factor: BxL - 8.2 Wb/m
Equivalent Acoustic Volume: VAS - 34.6 lt.
Diaphragm Area: SD - 490.9 cm2
Voice Coil Inductance @ 1kHz: LE - 0.4 mH

Constructive Characteristics for 8Ω
Magnet: Reinforced Alnico
Voice Coil Winding: Coper
Voice Coil Former Kapton
Cone Material: Paper
Surround Material: Integrated Paper
Dust Dome Material: Non-treated Cloth
Basket Material: Pressed Sheet Steel
Surround Treatment: Yes

Electrical Characteristics for 8Ω
Nominal Impedance: 8 Ω
Rated Power: 40 W
Musical Power: 80 W
Sensitivity@1W,1m: 96 dB


The Jensen Blackbird 40W Speakers are featured in our California Tweed™ Series of Amplifiers and Cabinets.


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