The ELAC UB5 was set to take the top spot on all the gear recommendation charts, but something went wrong. The speakers are a hazy color of green and falling apart from the inside. This is no design flaw, Andrew Jones has no flaws! Sir Jones is on the case, and he is kicking ass and taking names in the heart of Shenzhen China. Every competitor has motive My money is on Jones old Japanese masters, Pioneer.

They still own the trademark to Jones signature, and could have used it to sign orders for green anodizing the midrange and using weak plastic clips to hold the crossover. Regardless of risks, I went ahead and laid down the money to pick up a pair of UB5's knowing I would be getting at least "blemished" speakers with green midrange cones. Well, I got the full monty.

When I first picked up the speaker I thought the magnet had fallen off the woofer based on the racket coming from inside the cabinet. I hooked up both speakers and hoped they would still be functional, but sadly the midrange on one speaker refused to play.

I'm not going to get any listening time in on ELAC UB5 speakers. They are going back, but I've got one good speaker, and that is enough to run through the measurements.

ELAC America let me borrow a fully functioning pair of UB5's and I was able to complete listening impressions, which you can read in part 2 of this review. The reason for all of the excitement surrounding the ELAC UB5 speaker is the concentric driver.

Basically they put a tweeter inside of the midrange and called it Uni-fi for marketing reasons. This arrangement is beneficial to avoid interference between drivers, outside of the midrange flopping around, and to act as a point source for all for the sounds that are directional not bass.

The tweeter is a soft dome hidden behind a grill and placed inside of the slightly green midrange cone. The force required to remove the grill more than enough to deform the powered coated aluminum. If you take the tweeter grill off and somehow manage to not damage the tweeter, they are not going back on.

The midrange is an aluminum cone with not much depth to it. The Uni-fi concentric driver is somewhere between the flat concentric Technics uses and the horn shape KEF likes. The woofer is also made out of aluminum, and looks like a nice driver. Aluminum is known for having really nasty cone breakup, but because his driver is only going to perform low frequencies in this 3 way setup, cone breakup will be way past the crossover point.

Jones got this right then it should be a pretty smooth sounding woofer. The crossover board is about 7 inches deep by 5 inches wide, and just about covers the entire bottom inside panel of the speaker. From what I could see there are 3 large steel laminate inductors, and 3 air core inductors.

For capacitors there are 3 poly, and 4 electrolytic. Looks like 4 wire wound resistors making up 2 L-pads to volume match the midrange and tweeter.

If I had to guess it looks like the steel laminate inductors are for the high pass on the midrange, and low pass on the woofer. The three air core are for the low pass on the midrange and the high pass on the tweeter.

The board weighs probably close to 3 pounds, and is just oozing with quality chunkiness. I never expected to see anything like this in a pair of speakers at this price point. This crossover is a masterpiece. ELAC really out did themselves, and put the money ub stock market club this product to good use. I really wish the board's massive weight had not broken the clips holding it in place.

Port is a new part for this line of speakers, it has a matte finish along with the same ELAC branding as found on the debut series speakers. I stock portfolio track options in quicken the terminals on the B5 were obscene. Well, Jones has one upped those in a big way. For something that sits on the back of the speakers and get used once or twice ub stock market club terminals are amazingly nice, but a massive pain to use with bare wire.

I put the speakers up on the desk, but sadly there is not much to say. I ran through some close mic measurements indoors to confirm the one good UB5 was in fact functional and hauled it outside for a quick round of measurements.

Summer heat and sine sweeps go together like dehydration and cold beer. These are close mic measurements, where I place the measurement microphone very forex order book trading to the drivers to see what they are doing without interference from the baffle.

I used woofer and tweeter data from the broken speaker to clearly see what they were doing the midrange was not interfering with the measurements. Working from left to right, the port rolls the bass response off starting at about 50Hz.

Midrange to tweeter crossover happens about Hz. These are outdoor measurements windowed to 7ms to remove reflections. The windowing limits the response to Hz and above. The top measurement is on axis, and each one below that is in 15 degree increments until I reach 60 degrees off axis with the bottom measurement. Still have the top octaves a couple of dB down, and above 10k shows some diffraction from the tweeter being loaded into the midrange. Based on the off axis there may also be some cone breakup at 7.

Can't correct what Bush fairview l-shaped computer desk with optional hutch - antique white can't hear. ELAC America let me borrow a fully functioning pair of UB5's and I was able to complete listening impressions, and DSP correction which you can read in part 2 of this review.

The ELAC UB5 looks to be a hell of a pair of speakers once ELAC irons out all of the problems. Only weaknesses I can see from the measurements is for a three way of this size the bass is limited.

Also, I'm interested to see if there is any audible cone breakup in the 7. I will have to wait and see if I get another chance at the UB5 in the future. Because I have not heard it I cannot recommend it. As for the future, there is no word yet on a 6 inch version of the Uni-fi speakers. If a UB6 is coming I plan on picking it up. A 6 inch version of this speaker in a larger box should extend the bass response and output to more respectable levels. Check out the system finder to see what I recommend.

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Recommendations Recommended System Finder Speaker Leader Board Speaker Placement Calculator. ELAC Uni-fi UB5 Bookshelf Speaker by Andrew Jones The ELAC UB5 was set to take the top spot on all the gear recommendation charts, but something went wrong. They are a little large, but they fit just fine on my very small desk.

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