Ayre KX-5 Twenty Preamplifier -- line stage



Ayre Acoustics KX-5 Twenty is next in the creation of a proven KX-R preamp. Ayre Acoustics KX-5 Twenty is a solid-state, line-level preamplifier with six inputs—four balanced (XLR), two single-ended (RCA).

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Ayre Acoustics KX-5 Twenty is next in the creation of a proven KX-R preamp. The improvements could be easily seen in the inimitable features of the twentieth edition line of products.

Powered by Ayre’s Diamond output stage and a refinement accomplished by the introduction of the new Variable Gain Trans-impedance (VGT) amplification circuit with 46 positions. Furthermore, implementation of the six programmable inputs and the unique Equilock gain stage makes this most important component of your system to shine with flexibility and charming musicality.     

o Ayre’s Diamond output stage
o Variable Gain Transimpedance (VGT) volume circuit
o Ayre’s exclusive Equilock circuit
o 46 step volume control, each of 1.5 dB
o Linear analog power supply
o zero-feedback and fully-balanced discrete circuitry
o High-speed circuit board material
o Input ground switching for true source isolation
o Six inputs: four balanced, two single-ended
o Ayre Acoustics Conditioner power line RFI filter
o Ayre Acoustics Link communication system

…the KX-5 -- it performed flawlessly, exhibited outstanding sound quality, and proved to be the quietest preamplifier I have ever heard in my system.
-Aron Garrecht, SoundStage!

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Specifications Maximum Input Level 8 V rms – unbalanced inputs 16 V rms – balanced inputs
Gain Gain Variable to match the required output level of the system without the need for attenuation.
Input Impedance 1 MO unbalanced inputs 2 MO balanced inputs (1 MO per phase)
XLR Input Polarity Pin 1 = Ground Pin 2 = Non-inverting (Positive) Pin 3 = Inverting (Negative)
Frequency Response DC – 250 kHz
Power Consumption 40 watts in operating mode 60 watts in operating mode (volume control active)
Dimensions 44cm x 34cm x 10cm
Weight 10.5 kg

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