Celestion G12H-150 Redback 16 Ohms
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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 G12H-150 Redback 16 Ohm Guitar Speaker
- Massive 150 W power handling to effortlessly handle a 100 W tube head pushed to the limit.
- Celestion Greenback/Creamback style tone with tight lows, detailed mids, and softened highs.
- Ideal for reducing the size of the cabinet (1x12) while maintaining impressive projection and dynamic headroom.
- Robust construction: ceramic magnet, steel chassis, 2-inch voice coil for reliability at high volume.
A Powerful Heir to the Greenback Lineage
Designed in the spirit of classic Celestions, the G12H-150 Redback pushes the Greenback and Creamback concept to very high power levels. Engineered to meet the demands of modern amplifiers, it combines a massive G12 magnet and a 2-inch voice coil to deliver the Celestion character while handling extreme pressure levels and saturation.
For Which Guitarists and Uses?
The Redback is aimed at guitarists who play loud on stage, in the studio, or at rehearsals, and want to retain the Celestion warmth without risking damage. Perfect in a compact 1x12 cabinet or 2x12, it excels from punchy rock to modern metal, while maintaining clear definition in clean and crunch tones for roots, stoner, or hard rock styles.
What Makes the Difference On Stage and In the Studio
Power Reserve and Bass Control
With its 150 W rating, the Redback offers comfortable headroom and firm bass that doesn't flub, even when tuned low or under heavy power compression. Attacks remain sharp and controlled.
Articulated Mids, Soothing Highs
The core of the sound is driven by rich and precise mids, while the highs stay smooth and never harsh. The result is a dense tone that blends well in the mix and is easy to capture with a microphone.
Efficiency and Projection
Its high sensitivity contributes to effective projection and quick response, giving the impression of a larger cabinet without sacrificing musicality.
Technical specifications
| Cabinet impedance (Ω) | 16 Ω | Chassis | steel |
| Speaker diameter | 12" | Coil diameter | 2 " |
| Frequency response | 70 Hz - 5 kHz | Depth | 138 mm |
| Sensitivity | 100 dB | Power output | 150 W |
| Category | guitar amp speaker | Weight | 4.7 kg |
| Magnet | Ceramic | ||
| Diameter | 12 inches | Power Handling | 150 W |
| Impedance | 16 ohms | Voice Coil Diameter | 2 inches |
Questions frequently asked
What power rating does the Celestion G12H-150 Redback 16 Ohms support?
Its power handling is 150 W. This capacity suits modern amplifiers delivering high output and limits the risk of speaker overload.
Is the Redback compatible with a 1x12 cabinet?
This 12-inch speaker can be mounted in a compact 1x12 cabinet or in a 2x12 configuration. Its impedance is 16 ohms.
What tone does this Celestion speaker provide?
The mids are rich and defined, with smooth highs. The lows stay tight at high power, while the frequency response ranges from 70 Hz to 5 kHz.
Is this speaker suitable for metal and low tunings?
Thanks to its 150 W rating and massive ceramic magnet G12 design, this model is built to maintain tight attack under compression and lower tunings. It is especially suited for heavy rock, stoner, hard rock, and modern metal.
What is the sensitivity of the G12H-150 Redback?
The rated sensitivity reaches 100 dB, which promotes effective projection and quick response.



