KEF Q150 Bookshelf Speaker, Passive, Satin Black

Product Information

The footprint remains the same and they're ideal for smaller spaces. Partner them carefully to balance out a somewhat forward, excitable treble performance, and you'll be rewarded with a terrifically detailed, rhythmically cohesive, agile, and energetic sound. The overall presentation is more open-sounding than before, while the treble performance is so much sweeter and more refined. For their size and price level, each note lands with precision and they even hold dynamic interest at low volume. Basslines are pulled taut and while they don’t go as bone-shatteringly deep as bigger speakers (or as big as the bigger 606 S3, below), they do land with impact. Amplifiers support 4ohm or 8-ohm speakers. The user manual will have a detailed description which you should follow thoroughly. with the use of an independent transformer, twin rectifier, and independent PSU for the left and right channel, the CXA80 outperforms CXA60 in terms of stereo imaging and separation. If you want to switch between XLR or RCA connections, you need to press the A1 button. Rotation stage (supplied as standard): 50 mm Ø can accommodate six standard stubs. Height can be pre-set.

Removable glass chamber and easily accessible base and top plate allows for an easy cleaning process.

PCI Support

But before you take the plunge, there’s a bit of research you’ll need to do as bookshelf speakers aren’t at all like your average soundbar or Bluetooth device. What are bookshelf speakers? The Q150V Plus has specimen stages to meet most requirements. All are easy-change, drop-in style (no screws) and are height adjustable (except for the rotary planetary stage). The "nref" arrow is the center of the coaxial driver as you would look into it. We see that there is a strong sound source below it which has to be the port. Something coming out of that port is combing with the main driver and causing cancellation in the middle (to some extent). The frequency is 1.4 kHz. If we convert that to wavelength we get nearly 12 inches which happens to be the height of the cabinet. So it looks like it is a longitudinal mode of the internal cabinet coming out the port causing that partial cancellation.

One more thing that is worth mentioning is; the speaker can be laid on its side. It’s perfectly symmetrical about all axis and the orientation can be changed. This is quite a useful feature if you don’t have a lot of top clearance and want to save space. Pros and Cons Kef Q150 Evaporation: Carbon evaporation using rods/cord. Thermal evaporation of metals from filaments or boats. For cleaning TEM apertures a standard molybdenum boat (supplied) can be fitted Visual status indicator The KEF Q150 uses a famous KEF technology to great effect, with the Uni-Q drive unit. This involves positioning the treble unit in the middle of the woofer, creating a single point source for sound across the frequency range. The end result of this is a broader, more cohesive sound that offers excellent stereo within a wider listening area. There really isn't much scope to move things unfortunately. Everything was designed to look good for home theatre - speaker position in relation to the new wall and the tv. This music use case was never thought about. I also worry if I move the speakers then the HT output may suffer (current position gives a nice equilateral triangle to MLP). Desk wise there's not really anywhere else it could fit - it's currently in front of the banisters/railing for the stairs. Some sort of acoustic treatment may be worth a try?

Max # of PCI Express Lanes

If you have large tower speakers, or bookshelf speakers that seek high power, then you may need a 200W amplifier. It will vary from speaker to speaker. Connections Ideal for quality stereo in small rooms or as part of a superior AV system, the KEF Q150 is a compact classic. System and Maximum TDP is based on worst case scenarios. Actual TDP may be lower if not all I/Os for chipsets are used. Note that the bandwidth ("ERB") of the notch is too small to be that audible. It is just an interesting thing to analyze nevertheless.

Over 700 points around the speaker were measured (from 20 to 20 kHz) which resulted in well under 1% error in identification of the sound field up to 16.5 kHz. After that error climbs to 2% which should not be material. Final database of measurements and data is 1.2 Gigabytes in size. This criterion is a measure of the loudness of a speaker and should be denoted at 2.83V RMS at 1-meter distance. Speakers with more sensitivity mean it needs less power from the amp to play music at high volume.When we later connected to the prodigiously powerful Anthem MRX 1120 receiver, both sets of speakers opened up significantly, moving even closer together in their treble reproduction. On either receiver, though, the Q150’s zippy upper register does an excellent job cleanly defining blisteringly fast instrumental lines, such as jazz great Ahmad Jamal’s treacherously nimble solo on One (Ahmad). Q150 is also well-suited for small rooms. So if you have space limitations then you can choose Q150 and place them on open shelves. While the Prodigy 1’s precision and organisation warrant the label ‘analytical’, the speakers aren’t informative at the expense of entertainment. Systematic, yes, but anything but soulless.

Intuitive software allows the most inexperienced or occasional operator to rapidly enter and store their own process data. For convenience a number of typical sputtering and carbon coating recipes are already stored but also allows the user to create their own. Software detects failure to achieve vacuum in a set period of time and shuts down the process in case of vacuum leak, which ensures pump protection from overheating. Automatic, controlled carbon rod evaporation for TEM applications KEF's Q150 speakers are engineered to blend seamlessly with varied home audio environments. Their versatile nature allows them to shine in both stereo and home theatre configurations. A testament to their flexibility is their consistent performance even when placement adjusts, making them an adaptable asset to any audio or room layout. Features & Benefits With the Bluetooth port, you can play 24-bit/192kHz high-resolution files via PC, Laptop. You can choose the Class 1 or Class 2 mode from the front panel. The balanced XLR connection enhances the audio quality with the original and uncolored sound. At What Hi-Fi? we have state-of-the-art testing facilities in London, Reading and Bath where, as a team of audio experts, we review of hundreds of products every year, including one of the most prolific hi-fi products of all – bookshelf speakers. The coaxial driver looks great and caters to audiophile intuition of "point source being good."" Is this intuition incorrect?The middle is commendably neutral. The tonal pattern at the junction of the stripes is quite clean, without peaks and dips. KEF engineers used the most advanced computational methods to match the emitters in their coaxial heads, and this gave the result – we have one of the most balanced systems in the low-budget class. They can produce a sound with the correct filling of the lower register and with an aesthetic elaboration of all the colorful harmonics, if they are connected to a serious system or select each link in it. These monitors can easily show changes even when replacing any audio cable, so they deserve the most serious approach. Tall chamber option is available for carbon evaporation to avoid sample heating, to improve uniformity for sputtering and to hold taller samples. Multiple stage options