Lows- For a 5'' driver, these put out bass that is not only deep, but tight as well. Strong bass drum causes slight distortion (that may be because these speakers have less than 5 hours of playing time) but any bass with a fluid transition is sublime. Outkast's "I Like The Way You Move" has one of the lowest bass lines in modern music, and the 9.1's can accurately reproduce it, even at low volumes. Bass has not been "boomy" yet. There are no fewer than six stereo pairs in the Diamond 9 range, but the 9.1 miniature is the one that's been grabbing the headlines. The standard 505.2 used a basic chipboard box, but there was also a luxury version available at a premium that used 18mm MDF, covered with a rather nice mahogany real-wood veneer. The pricier version justified its premium on sonic grounds too, with a clearer and more composed presentation.

Wharfedale Diamond 9.1 Speaker manual Download free pdf for Wharfedale Diamond 9.1 Speaker manual

I found the Diamond to have more extended high freq. than the F1 Custom. However, the Diamond has more colouration, the sound is nice and warm, but not in a good sense, these “nice & warm” things seem to be fabricated, as opposed to an honest and realistic sound. In other words, to me this loudspeaker really has its own colour, which are nice & warm, thus accuracy is definitely not a strong point here. In the time domain, the Wharfedale's step response (fig.7) indicates that both drive-units are connected in positive acoustic polarity. A slight ripple can be seen in the tail of the woofer's step, which, as the speaker's waterfall plot shows (fig.8), is associated with two resonant modes: one at 2930Hz, and one that correlates with the peak between 1 and 2kHz on which I commented earlier. Otherwise, this plot is extremely clean in the treble, again supporting BJR's comments about the Diamond 9.1's excellent tweeter. A refined, delicate, and detailed presentation of high-frequency articulation, with no trace of either hardness or softness and with a perfect replication of transients.

It has a 100mm diameter cone made from woven Kevlar-in-polymer-matrix, while the tweeter has neodymium magnets and a soft 25mm doped fabric dome diaphragm. Twin terminal pairs are fitted on the rear. The Wharfedale diamond 9.1 speakers can be bi-wired, which means you can connect more audio speakers to your hi-fi system. This will assure a separation of the single paths to the high and low frequencies resulting in cleaner and more precise sound. Neutral tonal balance: not warm but also not cool, sounds like the frequency response from top to bottom is quite linear (maybe anybody has measurement data to correct or confirm my hearing on this?) As I mentioned before, the main difference between the 9.1s and 9.0s is the bass. The Wharfedale diamond 9.1 speakers offer huge amounts of top-end detail, which is reflecting in the final listening experience.

Wharfedale Diamond 9.1 review - Reviews League Wharfedale Diamond 9.1 review - Reviews League

As I mentioned before, I recommend the Wharfedale diamond 9.1 speakers mainly for smaller rooms, if you’re not considering building a surround speaker system.

Fig.2 Wharfedale Diamond 9.1, cumulative spectral-decay plot calculated from the output of an accelerometer fastened to the center of the cabinet's side panel (MLS driving voltage to speaker, 7.55V; measurement bandwidth, 2kHz). After having a pair of old Celestion Ditton 15`s for some time, i decided to change for some smaller stand mount speakers with a bit of style. These little Wharfedales have it in abundance, so i decided to give them a try. Wharfedale's Diamond 9.1 is a remarkable product for it's price in that it avoids the pitfalls that make most small budget loudspeakers unlistenable. The bass is quite surprising for a 5" woofer - solid and fast - without the "boomy" quality that is so common with entry level speakers. Highs are remarkably smooth. My first reaction was that the highs were rolled off, but as I listened more, I noticed convincing reproductions of triangle, piccolo, cymbals The professional reviewers were correct in saying Wharfedale designed a terrific dome tweeter for the latest Diamond series. Last, and certainly not least, the 9.1s also look and feel like far more expensive speakers. Forget the bog-standard box design commonly used for budget boxes – these elegant standmounts boast curved, braced cabinets, cranking aesthetic appeal up a notch, and also helping reduce unwanted cabinet vibrations and dissipate any standing waves produced by the mid/bass driver. A speaker may offer a flat on-axis response, but how that response changes to the speaker's sides also affects its perceived tonal balance. Here the little Wharfedale also performed well, with a wide, even lateral dispersion below 8kHz or so (fig.5). What appears to be a slight flare at the bottom of the tweeter's passband in this graph is actually the small notch at 4kHz in the on-axis response filling in to the speaker's sides. In the vertical plane (fig.6), the overlap in the crossover region between the two drive-units leads to a peak developing in the low treble more than 10° above the tweeter axis, and a corresponding notch more than 10° below that axis. Suitable stands should be used to place the Diamond 9.1s' tweeters at ear level.