Celestion G12M Greenback 8 Ohms
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What you need to know
What you need to know
- Iconic Greenback Signature: expressive, vocal mids, smooth highs, controlled lows.
- 12-inch format, 25 W, 8 ohms, ceramic magnet: ideal for combo amps or multiple speaker cabinets.
- Fast response and musical compression for a British-character crunch/overdrive.
- Made in England by Celestion.
Manufacturer Information
Celestion
https://www.celestion.com
info@celestion.com
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The Classic That Shaped the British Rock Sound
Recognizable by its green ring around the magnet, the Celestion G12M Greenback is an icon heard on countless recordings. Evolved over decades without losing its identity, it shaped the sound of legendary guitarists like Jimi Hendrix, Angus Young, and Tony Iommi. Its reputation is built on a singing midrange tone that cuts through the mix without harshness.
For Which Guitarist and Use?
The G12M Greenback is aimed at fans of rock, blues-rock, and classic hard rock seeking an organic tone. Alone, it enhances low-powered combos; in 2x12 or 4x12 configurations, it elevates powerful heads with a typically British punch. It suits both punchy rhythms and expressive leads, in the studio or on stage.
What It Changes in Your Sound
Sound Signature
Present and vocal mids, tight attacks, restrained highs: the Greenback delivers lively dynamics with slight musical compression that makes distortion smoother and arpeggios silkier. The bass remains firm and controlled to maintain definition and clarity.
Integration and Versatility
Its balanced efficiency (98 dB) makes it easy to pair with other Celestion speakers if needed. In a closed-back cabinet, it offers density and punch; in an open-back cabinet, it breathes and gains breadth while retaining that immediately recognizable British character.
Technical specifications
| Cabinet impedance (Ω) | 8 Ω | Chassis | steel |
| Frequency response - start | 75 Hz | Coil diameter | 1.75 " |
| Frequency response - end | 5 kHz | Depth | 130 mm |
| Speaker diameter | 12" | Color | Green |
| Sensitivity | 98 dB | Power output | 25 W |
| Category | guitar amp speaker | Weight | 3.6 kg |
| Magnet | Ceramic | ||
| Diameter | 12 inches | Frame | steel |
| Impedance | 8 ohms | Voice Coil Diameter | 1.75 inches |
| Power Handling | 25 W | Frequency Response | 75 Hz - 5 kHz |
| Manufactured in | England | ||
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Questions frequently asked
What amplifier power is suitable for a Greenback 8 ohms?
The power rating is 25 W per speaker. In a cabinet equipped with multiple units, the total admissible power depends on the number of speakers installed.
What sound does the Celestion G12M Greenback 8 Ohms offer?
The signature features prominent mids, a tight attack, and restrained highs. A slight musical compression smooths out saturation, while the bass remains firm.
Is the Greenback 8 ohms suitable for classic rock?
This model is suitable for rock, blues-rock, and classic hard rock. Its singing midrange character is associated with the tones of Jimi Hendrix, Angus Young, and Tony Iommi.
What are the impedance and diameter of this guitar speaker?
The impedance is 8 Ω and the diameter is 12 inches. The voice coil measures 1.75 inches and the magnet is ceramic.
Should a Greenback be used in an open or closed cabinet?
In a closed cabinet, this speaker delivers density and punch. In an open cabinet, it gains breadth while retaining its British character. Its 98 dB sensitivity makes it easy to pair with other Celestion speakers.
