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Description Technical Specifications Shipping Reviews Since its launch in 2020, the Wharfedale DIAMOND 12 Series has received widespread praise as a standard for performance and value in affordable hi-fi speakers. After over five years of consistent success, awards, and positive reviews from audio enthusiasts and critics alike, the DIAMOND 12 Series has established itself as one of the most enduring and best-selling speaker series. Now, Wharfedale is excited to introduce the updated DIAMOND 12i Series. This new series features luxurious, modern finishes and subtle acoustic improvements that build on the strong foundation of the original design.A Design Legacy — Now with a Contemporary Edge The DIAMOND 12 Series raised the bar in its category for sound quality, design, and musical engagement. Today, Wharfedale’s in-house team has further developed the series, focusing not on reinventing but on refining and improving.The series now includes three beautiful new finishes that complement modern interiors:All-Black: A deep, rich semi-matte finish that offers a sleek, contemporary look—subtle and sophisticated. Classic Walnut with Semi-Matte Black Baffle: A timeless classic reimagined, blending the natural warmth of walnut with a clean, contrasting baffle for a premium appearance.Stone Grey: A striking modern option that suits minimalist styles and stands out. More Than Skin Deep Known for quality, affordability, and exceptional build quality, the Wharfedale Diamond series has always prioritised fit and finish. The new luxurious finishes enhance the loudspeaker’s premium look and feel, matching its impressive sound performance. Incremental Acoustic Enhancements Along with the aesthetic upgrade, Wharfedale’s engineering team revisited the speaker’s internals, paying special attention to bass port tuning and airflow control. Small but significant changes to the port design and internal damping have improved bass clarity and low-frequency control—especially in real-world environments. Listeners will notice the difference. A thorough port design effort led by Wharfedale’s Director of Acoustic Design, Peter Comeau, and senior engineers Dan Bailey Ornellas and Oliver Davies aimed to refine low-frequency performance through extensive empirical testing and listening evaluations. The development process lasted several months and included advanced techniques, such as laser interferometry, extensive anechoic and in-room measurements, and computational fluid dynamics (CFD) to assess airflow and pressure in the port structure. Critical listening sessions—totalling hundreds of hours—were held to confirm the results. The outcome is a bass response that is better controlled and more articulate, with improved transitions between low and mid frequencies and consistent spatial performance, no matter the placement. These changes maintain the DIAMOND 12’s signature neutrality while subtly increasing listener engagement and dynamic flow. At the Core: Klarity™ Cone Technology The DIAMOND 12i mid/bass driver cones remain unchanged and are made from Klarity™, a special blend of polypropylene and mica that provides excellent stiffness and low distortion. This results in a cone that is lightweight, well-damped, and very responsive, delivering natural, expressive dynamics and precise transient response. A low-damping surround enhances the cone’s efficiency and dynamic range, while ribbed shaping and profile simulation ensure a smooth, linear frequency response without added distortion. Advanced Magnet Assembly Each mid/bass driver features a precise magnet system with an aluminium compensation ring to reduce the effects of inductance changes as the voice coil moves. This advanced motor system minimises intermodulation and distortion, producing cleaner, more accurate sound. The voice coil is wrapped around a high-power epoxy/glass fibre bobbin, which performs significantly better than standard materials at this price point, offering greater power handling, thermal stability, and structural strength. 25mm Textile Dome Tweeter High frequencies are produced by a 25mm woven polyester dome with a high-loss damping coating, resulting in extended, smooth treble response. The front plate is designed acoustically with a flat profile and minimal waveguide to enhance dispersion and output. The result is clear, natural high frequencies with excellent off-axis performance. High-Quality Crossover Components Wharfedale’s engineers use a sophisticated Linkwitz-Riley crossover design, complete with air-core inductors—components typically found in high-end speakers. The crossover network is finely adjusted for minimal phase shift and smooth integration between drivers. The magnet structure for the mid/bass driver is modified to address the resistance of these high-quality inductors, ensuring fast, clean bass without compromise. Low-Resonance Cabinet Design Each enclosure features a multi-layered sandwich construction that reduces panel resonance and distortion. Even the adhesive properties between the layers have been acoustically tested to optimise damping. Inside, intelligent spot bracing connects opposite cabinet walls using computer-modelled braces that reduce vibration without passing it from one surface to another. This contributes to the solid and authoritative sound signature of the Diamond 12i series. Preserve the Essence, Perfect the Experience Overall, the new DIAMOND 12i series is sure to impress. The changes may seem minor, but the impact is significant. It looks, feels, and performs like something new because it is. Yet, it still retains all of the qualities that made the original iteration so special! Frequently Asked Questions How long is the warranty coverage? All Wharfedale products come with a standard 3-year warranty. What are the key improvements in the "i" model? The 12.1i benefits from a newly designed bass port and revised internal damping for improved low-frequency control and a cleaner midrange reproduction. It also features new semi-matte finish options (Deep Black, Stone Grey, Classic Walnut), designed to blend well with modern interiors. In Singapore, only the All-Black (Deep Black) and Classic Walnut are offered. What type of speaker is the Wharfedale Diamond 12.1i? It is a compact, 2-way bass-reflex bookshelf speaker, ideal for two-channel hi-fi setups or smaller home cinema rooms. What is the recommended amplifier power? Wharfedale recommends an amplifier with power output between 20 to 100 watts per channel. Do I need a subwoofer with these Diamond 12.1i speakers? While the speakers deliver controlled and articulate bass, a subwoofer may be beneficial if you have a large room or your musical tastes require very deep low-frequency extension. The Wharfedale SW-150 is one of the many recommended subwoofers, that pairs well with the Diamond 12.1i in a mid-sized living room setup. Product Availability Available (current model) Product Type Speaker - Home/Desktop (Amplifier Powered) Style/Type Desktop Speaker Type Desktop Stereo Bookshelf / Satellite (Passive) Cabinet Design Ported Crossover Design 2-Way Driver Size 5" (130mm) advanced PP Cone Bass Driver; 1"(25mm) Textile Dome Treble driver Channels 2.0 Connectivity Fully Wired Expandable Storage No Bluetooth Version - N.A - Bluetooth Codecs - N.A. - Waterproof Rating IPX0 – No protection Frequency Response (Hz) 65Hz ~ 20kHz Impedance (Ω) 4.0 Ω Maximum SPL 96dB (Peak) Sensitivity 88dB (2.83V @ 1m) Mic for Calls/Communication None Input Connectivity Options Binding Posts (Banana Plug Sockets) Portability Desktop Product Dimensions 312 x 180 x (250 28)mm [H x W x D] Product Weight (g) 13,600g (6,800g per piece) Additional Tech Specs Enclosure Type: bass reflex AV Shield: No Recommended Amplifier Power: 20-100W Nominal Impedance: 8Ω Compatible Minimum Impedance: 4.0Ω Bass Extension (-6dB): 60Hz Crossover Frequency: 2.6kHz Cabinet Volume (in litres): 8.2L Net Weight: 6.8kg/pcs Colour Black, Brown Package Contents 2 x Wharfedale Diamond 12.1i loudspeakers 2 x Grilles 4 x Jumper-bars (pre-installed) 8 x Self-adhesive rubber feet 1 x User's Manual Warranty 3 years warranty (local) If you're based in Singapore, spend $300 or more for free doorstep delivery1.($250 for Silver/Gold/Platinum VIP members) add a few more bucks, for delivery during the night/weekend, or quicker prioritised delivery options2. self-collection is possible at our Showroom, based in Ubi (nearest to MacPherson MRT). Find out where, and how to get to us here. and yes, you may arrange your own 3rd party logistics to pickup your purchases on your behalf. GrabExpress, Lalamove, GoGoX, RydeSEND services are welcome. View additional Terms & Conditions associated to local doorstep delivery service. Friends from Overseas, we do ship internationally. shipping fees are calculated according to total gross actual or volumetric weight of all item(s) in cart, whichever higher. shipping fees will vary depending on international carrier(s)3, and will be displayed during checkout. do be aware of additional import tax/VAT that may apply. Important Notice for Customers in the USA Due to recent changes in U.S. trade regulations, additional tariffs are being imposed on products manufactured in China and imported into the United States. As many of our audio products are made in China, orders shipped to U.S. addresses may be subject to an added tariff charge at checkout, reflected as a "U.S. Import Tariff Surcharge". Please note that this surcharge amount is determined by U.S. import policies and may vary significantly depending on product categories and any future policy adjustments. These charges are necessary to ensure compliance with U.S. customs requirements and to allow us to continue serving our U.S. customers reliably. We strongly encourage you to review the total cost at checkout before placing your order. Important Notice due to ongoing tensions in the Middle East This surcharge is temporary but necessary during this period of significantly increased operational pressure as a result of the ongoing geo‑political situation in the Middle East.Orders shipped to Gulf Cooperation Council (GCC), Africa, US and EU regions may be subject to an added surcharge at checkout, reflected as a "Temporary Emergency Situational Surcharge". Please note that this surcharge amount is determined by our freight partners, and may subject to adjustments according to situational updates. We strongly encourage you to review the total cost at checkout before placing your order. View additional Terms & Conditions associated to international door to door shipping service. 1 Terms and condition do apply for free delivery. For more information, click here to view.2 View our updated list of local delivery options.3 View our updated list of international carriers. Please login to add review No Reviews Available for this Product Yet. Leave Your Review Description Since its launch in 2020, the Wharfedale DIAMOND 12 Series has received widespread praise as a standard for performance and value in affordable hi-fi speakers. After over five years of consistent success, awards, and positive reviews from audio enthusiasts and critics alike, the DIAMOND 12 Series has established itself as one of the most enduring and best-selling speaker series. Now, Wharfedale is excited to introduce the updated DIAMOND 12i Series. This new series features luxurious, modern finishes and subtle acoustic improvements that build on the strong foundation of the original design.A Design Legacy — Now with a Contemporary Edge The DIAMOND 12 Series raised the bar in its category for sound quality, design, and musical engagement. Today, Wharfedale’s in-house team has further developed the series, focusing not on reinventing but on refining and improving.The series now includes three beautiful new finishes that complement modern interiors:All-Black: A deep, rich semi-matte finish that offers a sleek, contemporary look—subtle and sophisticated. Classic Walnut with Semi-Matte Black Baffle: A timeless classic reimagined, blending the natural warmth of walnut with a clean, contrasting baffle for a premium appearance.Stone Grey: A striking modern option that suits minimalist styles and stands out. More Than Skin Deep Known for quality, affordability, and exceptional build quality, the Wharfedale Diamond series has always prioritised fit and finish. The new luxurious finishes enhance the loudspeaker’s premium look and feel, matching its impressive sound performance. Incremental Acoustic Enhancements Along with the aesthetic upgrade, Wharfedale’s engineering team revisited the speaker’s internals, paying special attention to bass port tuning and airflow control. Small but significant changes to the port design and internal damping have improved bass clarity and low-frequency control—especially in real-world environments. Listeners will notice the difference. A thorough port design effort led by Wharfedale’s Director of Acoustic Design, Peter Comeau, and senior engineers Dan Bailey Ornellas and Oliver Davies aimed to refine low-frequency performance through extensive empirical testing and listening evaluations. The development process lasted several months and included advanced techniques, such as laser interferometry, extensive anechoic and in-room measurements, and computational fluid dynamics (CFD) to assess airflow and pressure in the port structure. Critical listening sessions—totalling hundreds of hours—were held to confirm the results. The outcome is a bass response that is better controlled and more articulate, with improved transitions between low and mid frequencies and consistent spatial performance, no matter the placement. These changes maintain the DIAMOND 12’s signature neutrality while subtly increasing listener engagement and dynamic flow. At the Core: Klarity™ Cone Technology The DIAMOND 12i mid/bass driver cones remain unchanged and are made from Klarity™, a special blend of polypropylene and mica that provides excellent stiffness and low distortion. This results in a cone that is lightweight, well-damped, and very responsive, delivering natural, expressive dynamics and precise transient response. A low-damping surround enhances the cone’s efficiency and dynamic range, while ribbed shaping and profile simulation ensure a smooth, linear frequency response without added distortion. Advanced Magnet Assembly Each mid/bass driver features a precise magnet system with an aluminium compensation ring to reduce the effects of inductance changes as the voice coil moves. This advanced motor system minimises intermodulation and distortion, producing cleaner, more accurate sound. The voice coil is wrapped around a high-power epoxy/glass fibre bobbin, which performs significantly better than standard materials at this price point, offering greater power handling, thermal stability, and structural strength. 25mm Textile Dome Tweeter High frequencies are produced by a 25mm woven polyester dome with a high-loss damping coating, resulting in extended, smooth treble response. The front plate is designed acoustically with a flat profile and minimal waveguide to enhance dispersion and output. The result is clear, natural high frequencies with excellent off-axis performance. High-Quality Crossover Components Wharfedale’s engineers use a sophisticated Linkwitz-Riley crossover design, complete with air-core inductors—components typically found in high-end speakers. The crossover network is finely adjusted for minimal phase shift and smooth integration between drivers. The magnet structure for the mid/bass driver is modified to address the resistance of these high-quality inductors, ensuring fast, clean bass without compromise. Low-Resonance Cabinet Design Each enclosure features a multi-layered sandwich construction that reduces panel resonance and distortion. Even the adhesive properties between the layers have been acoustically tested to optimise damping. Inside, intelligent spot bracing connects opposite cabinet walls using computer-modelled braces that reduce vibration without passing it from one surface to another. This contributes to the solid and authoritative sound signature of the Diamond 12i series. Preserve the Essence, Perfect the Experience Overall, the new DIAMOND 12i series is sure to impress. The changes may seem minor, but the impact is significant. It looks, feels, and performs like something new because it is. Yet, it still retains all of the qualities that made the original iteration so special! Frequently Asked Questions How long is the warranty coverage? All Wharfedale products come with a standard 3-year warranty. What are the key improvements in the "i" model? The 12.1i benefits from a newly designed bass port and revised internal damping for improved low-frequency control and a cleaner midrange reproduction. It also features new semi-matte finish options (Deep Black, Stone Grey, Classic Walnut), designed to blend well with modern interiors. In Singapore, only the All-Black (Deep Black) and Classic Walnut are offered. What type of speaker is the Wharfedale Diamond 12.1i? It is a compact, 2-way bass-reflex bookshelf speaker, ideal for two-channel hi-fi setups or smaller home cinema rooms. What is the recommended amplifier power? Wharfedale recommends an amplifier with power output between 20 to 100 watts per channel. Do I need a subwoofer with these Diamond 12.1i speakers? While the speakers deliver controlled and articulate bass, a subwoofer may be beneficial if you have a large room or your musical tastes require very deep low-frequency extension. The Wharfedale SW-150 is one of the many recommended subwoofers, that pairs well with the Diamond 12.1i in a mid-sized living room setup. Technical Specifications Product Availability Available (current model) Product Type Speaker - Home/Desktop (Amplifier Powered) Style/Type Desktop Speaker Type Desktop Stereo Bookshelf / Satellite (Passive) Cabinet Design Ported Crossover Design 2-Way Driver Size 5" (130mm) advanced PP Cone Bass Driver; 1"(25mm) Textile Dome Treble driver Channels 2.0 Connectivity Fully Wired Expandable Storage No Bluetooth Version - N.A - Bluetooth Codecs - N.A. - Waterproof Rating IPX0 – No protection Frequency Response (Hz) 65Hz ~ 20kHz Impedance (Ω) 4.0 Ω Maximum SPL 96dB (Peak) Sensitivity 88dB (2.83V @ 1m) Mic for Calls/Communication None Input Connectivity Options Binding Posts (Banana Plug Sockets) Portability Desktop Product Dimensions 312 x 180 x (250 28)mm [H x W x D] Product Weight (g) 13,600g (6,800g per piece) Additional Tech Specs Enclosure Type: bass reflex AV Shield: No Recommended Amplifier Power: 20-100W Nominal Impedance: 8Ω Compatible Minimum Impedance: 4.0Ω Bass Extension (-6dB): 60Hz Crossover Frequency: 2.6kHz Cabinet Volume (in litres): 8.2L Net Weight: 6.8kg/pcs Colour Black, Brown Package Contents 2 x Wharfedale Diamond 12.1i loudspeakers 2 x Grilles 4 x Jumper-bars (pre-installed) 8 x Self-adhesive rubber feet 1 x User's Manual Warranty 3 years warranty (local) Reviews Please login to add review No Reviews Available for this Product Yet. 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