Celestion Alnico Blue 16 Ohms
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The essentials to know about the Celestion Blue 16-ohm loudspeaker
The essentials to know about the Celestion Blue 16-ohm loudspeaker
- The benchmark British Alnico loudspeaker, renowned for its bright highs, singing mids and musical compression.
- 12-inch format and 100 dB sensitivity to bring out the clarity of clean tones, dynamic crunch and expressive solos.
- 15 W power handling, ideal for vintage combos, small tube amplifiers and multi-loudspeaker setups.
- Iconic sonic character: warm lows, a softened attack and a harmonically rich top end.
Manufacturer Information
Celestion
https://www.celestion.com
info@celestion.com
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Algam SAS
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Essential Information About the Celestion Alnico Blue 12-Inch 16 Ohm Guitar Speaker
- Legendary British chime tone: warm lows, singing mids, bright highs.
- Alnico magnet for natural musical compression and smooth dynamics.
- 12-inch size and high sensitivity (100 dB) to cut through the mix without pushing the amp.
- 15 W power rating, perfect for vintage combos, studio use, and Blues/Rock stage settings.
A Legend of British Sound
Originally introduced as the G12 T530, first designed for radio then adapted for guitar, the Celestion Blue became a staple in iconic amps like the Vox AC30. Its clear and punchy voice signature has influenced generations of guitarists, with Brian May among its most famous endorsers. This speaker is one of the rare models that have become icons, synonymous with timeless English tones.
Intended Use and Audience
Ideal for Blues, Rock, Classic Pop, and vintage textures, it enhances both bright single coils and dynamic humbuckers. Its high sensitivity facilitates sparkling clean tones as well as expressive crunches. Be sure to respect its 15 W power handling; for more powerful amps, multi-speaker configurations are recommended.
What Makes It Stand Out
Alnico Musical Compression
The Alnico magnet delivers a present but never aggressive attack, with pleasing compression when the volume is pushed. The result is a more singing playability, responsive to touch, and natural sustain.
Expressive Mids, Silky Highs
The Blue emphasizes smooth upper mids and bright but controlled highs. It maintains excellent definition, making it a reference choice for clear arpeggios, punchy crunches, and vocals-like solo projection.
Technical specifications
| Cabinet impedance (Ω) | 16 Ω | Magnet | Alnico |
| Speaker diameter | 12" | Chassis | steel |
| Sensitivity | 100 dB | Coil diameter | 1.75 " |
| Frequency response - start | 75 Hz | Depth | 165 mm |
| Frequency response - end | 5 kHz | Power output | 15 W |
| Category | guitar amp speaker | Weight | 4.2 kg |
| Diameter | 12 inches | Nominal impedance | 16 ohms |
| Frame | steel | Frequency response | 75 Hz - 5 kHz |
| Power handling | 15 W | Voice coil diameter | 1.75 inches |
Questions frequently asked
What amplifier power can this speaker handle?
The rated power is 15 W. With a more powerful amplifier, a multi-speaker setup can be used to distribute the power.
Is the Celestion Alnico Blue 16 Ohms compatible with a 16-ohm cabinet?
Its nominal impedance is 16 Ω, which matches a speaker cabinet or amplifier output designed for 16 Ω. The impedance must be respected during installation.
What sound characteristics does the Blue's Alnico magnet provide?
The Alnico magnet promotes a pronounced attack and musical compression as volume increases. The upper mids remain expressive, while the highs are bright and controlled. The frequency response ranges from 75 Hz to 5 kHz.
Is this speaker suitable for a Vox AC30 type amp?
This model is historically associated with Vox AC30 amps and carries the original reference G12 T530. Its 100 dB sensitivity favors sparkling clean tones and responsive crunch.
What size and weight for the mounting?
The size is 12 inches, with a steel frame and a weight of 4.2 kg. The voice coil measures 1.75 inches in diameter.



