Wharfedale DIAMOND 12.3i Floorstanding Speakers
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Wharfedale Diamond 12.3i Floorstanding Speakers
Since its launch in 2020, the Wharfedale Diamond 12 Series has received widespread praise as a benchmark for performance and value in affordable hi-fi speakers. After five years of consistent success and awards, Wharfedale now introduces the updated Diamond 12i Series — featuring luxurious modern finishes and subtle acoustic refinements that build on the original’s exceptional foundation.
The Diamond 12.3i is a full-range 3-way floorstanding speaker featuring dual 130mm woven Kevlar woofers, a dedicated 50mm soft dome midrange driver, and a 25mm soft dome tweeter. Its slot-loaded distributed port and rigid MDF enclosure with extensive internal bracing deliver impressive bass extension to 42Hz, natural midrange clarity, and detailed high-frequency reproduction — exceptional value for audiophiles and home theatre enthusiasts alike.
Key Features
- 3-Way Bass Reflex Design — dedicated drivers for bass, midrange, and treble
- Dual 130mm Woven Kevlar Woofers — powerful, controlled low-frequency response
- 50mm Soft Dome Midrange — natural vocal reproduction and instrumental accuracy
- 25mm Soft Dome Tweeter — wide dispersion for smooth, detailed high frequencies
- Slot-Loaded Distributed Port — minimises port noise, extends bass response
- Rigid MDF Enclosure with extensive internal bracing for zero unwanted resonance
- Bi-Wire Capable — dual binding posts for bi-wiring or bi-amping
- Magnetic Grille — removable fabric grille with discreet magnetic attachment
- Floor spikes and rubber feet included for optimal placement
Specifications
| Specification | Detail |
|---|---|
| Model | Diamond 12.3i |
| Series | Diamond 12i |
| Speaker Type | 3-Way Bass Reflex Floorstanding |
| Bass Drivers | 2 × 130mm (5") Woven Kevlar Cone |
| Midrange Driver | 50mm (2") Soft Dome |
| Tweeter | 25mm (1") Soft Dome |
| Crossover Frequencies | 600Hz, 2.2kHz |
| Frequency Response | 42Hz – 20kHz (±3dB) |
| Sensitivity | 88dB (1W @ 1m) |
| Nominal Impedance | 8 Ohms |
| Recommended Amplifier Power | 25 – 150 Watts |
| Port Configuration | Slot-loaded distributed port (rear-firing) |
| Cabinet Construction | MDF with extensive internal bracing |
| Terminals | Bi-wire capable binding posts |
| Grille | Magnetic fabric grille |
| Dimensions (H × W × D) | 950 × 190 × 310 mm (37.4" × 7.5" × 12.2") |
| Weight (Each) | 16.5 kg (36.4 lbs) |
| Sold As | Pair |
| Country of Design | United Kingdom |
| Manufacturer | Wharfedale |
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.