An Unedited Review From A KEF Blade Owner

Our brand ambassador, Johan Coorg, recently received this letter from a Blade client he worked with back in June. Beyond the fact that we're very proud of how he feels about his Blades, there is a wealth of information gained from experience we thought we should share:

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HDMI Audio Delay: What It Is. How To Get Rid Of It.

There are few things more exciting than finally buying that too-big-for-your-living-room television you've been obsessing about for the last several years. Maybe you had the television but you just bought a spanking new AV receiver and you’re all set to watch (and listen to) that movie you’ve been saving for just this occasion. 

You connect the HDMI cable to your television and run a pair of RCA cables to the back of your receiver. 

You get it all set up, you invite your friends over along with that brother-in-law of yours who is always competing with you, then the first close-up comes on screen and...your movie looks like a badly dubbed foreign film.

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You connect the HDMI cable to your television and run a pair of RCA cables to the back of your receiver. 

You get it all set up, you invite your friends over along with that brother-in-law of yours who is always competing with you, then the first close-up comes on screen and...your movie looks like a badly dubbed foreign film.

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KEF M500 & Tony Grey - "Then and Now"

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Check out this video of bass virtuoso Tony Grey recording Then and Now using a pair of KEF M500 headphones. We're pretty stoked because you can't record music with the clarity, soul and precision of a piece like Then and Now using monitoring headphones that can't keep up.

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Then and Now using monitoring headphones that can't keep up.

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An Introduction to Impedance

This is the thing with loudspeakers: Impedance is not a set value as it tends to change with frequency. In order to truly know the impedance of a speaker, you need a graph of the impedance at every single frequency in the speaker’s operating range. Not likely.

Here’s the way we spec the impedance of our R900:

           Impedance: Nominal = 8 Ohm (minimum = 3.7 Ohm)

In a casual conversation we'd say the R900 is an 8 Ohm speaker. This means the rated nominal impedance takes into account the impedance of the speaker (voice coil) itself and the components in the crossover. Or, 8 Ohms is the nominal amount of impedance the speaker presents to the amplifier, and 3.7 Ohms is the minimum impedance seen over the operating frequency range.

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This entry was posted in KEF Tech On .

The Standing Wave: One Reason Why the Bass In Your Room Sounds So Thin

You may have heard that you need two subwoofers to get the most out of your home theater system. You probably passed that bit of advice off as the ploy of an overzealous salesperson attempting to make you part with even more money as you build your dream audio/home theater system. However, there's some serious science behind the claim: Adding a second subwoofer might just solve the most maddening problem faced by home theater owners: uneven and spotty bass response.

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