Celestion Ruby HP 31cm 35W 8Ohms
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Information
Information
Manufacturer Information
Celestion
https://www.celestion.com
info@celestion.com
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Algam SAS
Email: contact@algam.net
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In the Iconic Alnico Lineage
A direct descendant of the Alnico family popularized by the legendary Blue, the Celestion Ruby retains the organic texture cherished by fans of British tones. It enriches the Alnico palette with generous harmonic warmth, smooth mids, and soft highs that flatter both clean sounds and crunch tones.
Who Is It For and What Are Its Uses?
The Ruby is aimed at rock, blues, pop, and indie guitarists seeking a responsive and singing speaker. Its 35 W power and high sensitivity allow it to enhance medium-powered combos and heads, both on stage and in the studio, while maintaining excellent touch at low to medium volumes.
Technical specifications
| Cabinet impedance (Ω) | 8 Ω | Magnet | Alnico |
| Speaker diameter | 12" | Chassis | steel |
| Frequency response | 75 Hz - 5 kHz | Depth | 165 mm |
| Sensitivity | 100 dB | Power output | 35 W |
| Category | guitar amp speaker | Weight | 4.2 kg |
Questions frequently asked
What impedance is required to install this speaker in a guitar amp?
This model has an impedance of 8 ohms. The amplifier's output impedance must match this value for proper installation.
What power amp is the Celestion Ruby 12-inch suitable for?
The power rating is 35 W. It is designed for mid-power combos and heads, considering this power limit.
What sound does the Ruby's Alnico magnet provide?
The Alnico magnet offers a round attack and musical compression. The midrange remains smooth, with soft highs and controlled lows. This signature promotes natural sustain and clear articulation when overdriven.
For which guitar styles is the Ruby suitable?
This 31 cm speaker fits rock, blues, pop, and indie genres. Its 100 dB sensitivity helps maintain a responsive feel at low to medium volume levels.
What is the frequency response of the Celestion Ruby?
The frequency response ranges from 75 Hz to 5 kHz, with defined lows and a present midrange in the mix.



