Wharfedale Evo 4.1 Bookshelf Speaker
Wharfedale’s EVO4.1 Bookshelf Speaker has grown out of the extensive research and development that produced the ELYSIAN flagship loudspeakers and borrows much of the technology involved in ELYSIAN.
The primary focus is on the AMT development resulting in a radically different way of reproducing high-frequency detail efficiently and accurately. Similar cabinet technology to ELYSIAN provides a stable and solid foundation for the drive units with radiused edges to help integrate the driver output with the room acoustics. In addition the unique SLPP bass reflex system, as developed for ELYSIAN, is now incorporated in EVO4.
Wharfedale Evo 4.1 AMT
Developed from the advanced AMT in ELYSIAN, the Wharfdale Evo4.1 Air Motion Transformer treble unit utilizes a radically different way of moving air compared to the conventional dome tweeter. A large, pleated lightweight diaphragm is driven across its surface by rows of strategically placed magnets. Not only is this an efficient way of moving air but it is also very accurate as the diaphragm is under close control of the motor system at all times. The result is a wide bandwidth transducer that achieves low distortion naturally and delivers wonderful musical detail.
Wharfedale Evo 4.1 Dome Midrange
To match to the EVO4 AMT, Wharfedale has developed a fast and responsive dome midrange with wide bandwidth thanks to the incorporation of a damped rear chamber. This soft fabric dome, damped with a plasticizer coating, is vented aperiodically into a specially shaped rear chamber that is profiled to scatter and absorb rear energy from the dome. As a result, this dome midrange features a linear response from 800Hz to 5kHz, an astonishing bandwidth from such a unit. Thanks to its high flux magnet, the EVO4 midrange dome also has high efficiency, ideally matched to that of the AMT, enabling it to respond easily and quickly to the dynamics of the music fed to it. The wide dispersion of this dome and AMT combination ensures that you’ll hear all the musical detail no matter where you sit.
Wharfedale Evo 4.1 Bass
Utilizing the advanced, low distortion motor system developed for the ELYSIAN bass units, Wharfdale Evo4.1 marries this to a woven Kevlar cone fitted with a low loss rubber surround, giving a wide bandwidth driver which is equally adept at producing powerful bass in addition to a natural lower midrange quality. Like ELYSIAN, the bass units are loaded by the most advanced version of the unique Wharfedale Slot Port yet. Christened SLPP (Slot Loaded Profiled Port) the rear output of the bass units is not wasted. Instead, the lowest frequency energy is vented to a slot at the base of the speaker, specially profiled to equalize the high internal pressure to the low pressure in the room.
The Crossover used in the Wharfdale Evo 4.1 Bookshelf Speaker
Combining the outputs of the drivers is an advanced computer-modelled crossover that has been developed over hundreds of hours of listening tests, fine-tuned to make sure that the blend between the drive units is seamless. Crossover components have been specially chosen for their audio transparency and feature high-grade polypropylene capacitors and laminated silicon-iron and air-core inductors, laid out to avoid electromagnetic interference on a specially designed circuit board.
Specifications of the Wharfedale Evo 4.1 Bookshelf Speaker
- General Description 2-way bookshelf speaker
- Enclosure Type bass reflex
- Transducer Complement 2-way
- Bass Driver 5″(130mm) black woven Kevlar® cone
- Treble Driver 30x60mm AMT
- AV Shield No
- Sensitivity (2.83V @ 1M) 87dB
- Recommended Amplifier Power 25-100W
- Peak SPL 104dB
- Nominal Impedance 8Ω Compatible
- Frequency Response (+/-3dB) 64Hz ~ 22kHz
- Bass Extension (-6dB) 55Hz
- Crossover Frequency 2.9kHz
- Dimensions (HxWxD) 335 x 210 x (285+10)mm
- Net Weight 7.8kg/pcs
- Finish: Walnut
Dr C S Ghosh –
Just gem of a product with a tight bass & emaculate highs unimaginable from a speaker of this size,really greatful to Mr Anil for his honest recommendation.
These speakers are exceptional with beautiful sounding! Highly recommended for using in a medium size room.
Shammi Dang –
FANTASTIC SPEAKERS, WELL BALANCED
I am writing this review after around 3 weeks usage of these speakers with NAD integrated amp (C325 BEE) 50w per channel at 8 ohms, 2007 model. The sound quality is very nice with clear mid tones and excellent vocals. This is the area where these speakers shine. The bass is balanced and controlled. The treble is bit more for my taste so to be reduced little bit below the flat/neutral setting. Although as per specs the minimum power required is 25W per channel, but I feel these require more power amp to perform well. I tried matching these with Cambridge Audio 35w per channel amp, they worked fine but required more volume level compared to when played on 50w per channel amp. There was no matching problem with both NAD and Cambridge Audio. The tonal quality was almost same except that with NAD Amp these are more dynamic, and NAD compliments the Mid-range capabilities of these speakers better then Cambridge Audio. As usual these require the burn in period of around 50 hrs, initially sound harsh and dis balanced but after opening up these are very melodious and balanced. Ratings for these speakers qualitatively on a scale of five. Bass: 4, Treble: 3.5, Mid tones & Vocals: 4.5, Build Quality: 5, Finish/looks: 5.