Diamond 12.3i
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Expected delivery around: 16-02-2026
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Pros and cons
Music sounds balanced, compelling and expressive in all registers. Compact floor-standing speakers that fit effortlessly into medium-sized rooms. The crossover provides a natural separation between bass, midrange and treble.
You will get the best results with some distance from walls.
Product description
The Diamond 12.3i floorstanding speakers fill medium-sized to larger rooms with a rich and dynamic sound. They combine powerful bass with natural midrange and clear highs, making every note come alive. From subtle piano passages to energetic rhythms, the sound remains balanced and immersive, ideal for extended listening.
The robust enclosure uses a multi-layer sandwich construction with clever internal bracing, minimizing resonance and maintaining a stable soundstage. Combined with optimized bass port tuning and internal damping, this delivers tight and controlled bass, while the rest of the spectrum sounds clear and natural, regardless of where the speakers are placed.
Featuring a 130mm woofer, 130mm midrange, and 25mm dome tweeter, combined via a precisely tuned 2,5-way crossover, the Diamond 12.3i achieve a frequency response of 45Hz to 20kHz. This combination of high-performance drivers and carefully designed cabinets delivers a powerful, detailed, and balanced sound that delivers music with conviction and expression.
Supplied as standard
• Manual
Customer reviews
| Speaker type | Floor standing |
| Speaker type | 2.5-way |
| Recommended amplifier power | 30 - 150 W |
| Frequency range (Hz) | 45 Hz – 20 kHz |
| Bass extension (-6dB) | 40 Hz |
| Crossover Frequency | 2.2kHz |
| Nominal impedance (ohms) | 8 Ohm |
| Minimum impedance | 5 Ohm |
| Sensitivity in dB | 89 dB |
| Peak SPL | 102 dB |
| Cabinet volume | 26.6 liters |
| Speaker woofer diameter | 130mm (KlarityTM) |
| Speaker mid-range diameter | 130mm (KlarityTM) |
| Speaker tweeter diameter | 25 mm (textile dome) |
| Bass reflex placement | Back |
| Dimensions (depth x width x height) | (320 +28)mm x 180mm x (925 + 50)mm |
| Weight | 19.5 kg / piece |
| Data responsible market operator in the EU | MIKA Distribution Heereweg 399, 2161 BL Lisse info@mika.nl +31252428650 |
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