KX-5 Twenty Preamplifier -- line stage
$17,500.00
callAyre 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).
Enquire Now
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!
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 |
Related Products

QX-5 Twenty Full Digital base S/PDIF + USB + Net
Preamplifier
This is a product that provides unlimited flexibility and handiness at the highest level by joining all of your digital media together with every possible digital input and the trendiest streaming services.
Ayre Acoustics

QX-8 Digital Hub - digital base S/PDIF + USB
Preamplifier
The QX-8’s modularity makes it amazingly versatile.
Ayre Acoustics

KX-R Twenty Preamplifier-- line stage
Preamplifier
Completely redesigned KX-R Twenty has implemented all new Ayres’ visions