Linn Kaber Active Speakers with 3 x Linn LK-100 Amps and Crossover Cards

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Linn was one of the pioneers of active amplification for the home.

This particular model, the Kaber, was designed to get the most out of this technology by building the crossovers into the amplifier.

Each of the LK-100's included in this listing drives a pair of drivers - one for the tweeters, second for the mid-ranges, and third for the woofers.

It really doesn't get any better than this with regards to efficiency and purity. 

To make all this work you simply need RCA jumpers to connect the amps together in a cascading fashion, and individual speaker cables for each of the amps.

Speakers show little signs of use with an occasional scuff here and there, but nothing stands out. The bases are upgraded and made out of granite or some stone material.  

Tested and fully working as it should all around. Please see out photos or the linked manual for more details and full specifications.

Speaker spikes are included.

Linn Kaber Manual

Linn LK-100 Manual

The SkyFi Testing Process for Solid State Amplifiers:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.