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World's First 12" Guitar Speaker The Celestion Blue Alnico 15W 12" Speaker was originally designed in the '50s and used in early Vox and Marshall amplifiers. It uses an Alnico magnet, and is known for its exceptional tonal definition and dynamic audio range. Best suited for low-power Class A tube amplifiers. Handles 15W. This is truly one sweet sounding speaker...the world’s first dedicated guitar loudspeaker and a part of musical history. |
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Back in the 1950s, Celestion witnessed the emergence of a new breed of musician – the electric guitarist – and responded to their needs for a rugged, reliable loudspeaker by modifying the G12 radio speaker. The unique tonal character of the Celestion Blue, combined with the valve amps of the time, helped to define the electric guitar as we know it today. |
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Variations of the Blue were actually released in several different liveries, including chrome, red and silver. Used by many classic amplifier manufacturers of the time, it was the speaker’s adoption by Vox for their AC30 that ensured the Blue’s place in history.
The Blue has a bright, lively character with a carefully controlled bottom end and shimmering highs which remains popular and distinctive to this day. Loaded into a single 12" or 2 x 12" cabinet, this legendary loudspeaker suits a wide range of playing styles. |
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General Specifications
Nominal Diameter: 12 in., 305mm
Power Rating: 15 watts
Nominal Impedance: 8 ohms or 16 ohms
Sensitivity: 100dB
Chassis Type: Pressed Steel
Voice Coil Diameter: 1.75 in., 44.5mm
Voice Coil Material: Round copper
Magnet Type: Alnico
Frequency Range: 75-5000Hz
Resonance Frequency, Fs: 75Hz
DC resistance, Re: 6.4 ohms or 11.8 ohms |
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Mounting Information
Diameter: 12.2 in.\ in., 309mm
Overall Depth: 6.5 in., 165mm
Magnet Structure Diameter: 5.0 in., 128mm
Cut-Out Diameter: 11.1 in., 283mm
Mounting Slot: 0.31 in., 7.9mm diameter
Number of Mounting Slots: 4
Mounting slot PCD: 11.7 in., 297mm
Unit Weight: 9.3lb, 4.2kg |
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